LEGATO SYSTEMS INC
10-Q, 1996-08-13
PREPACKAGED SOFTWARE
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<PAGE>   1
                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                                    FORM 10-Q

[X]      QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
         EXCHANGE ACT OF 1934
For the quarterly period ended June 30, 1996

                                       OR

[ ]      TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
         EXCHANGE ACT OF 1934
         For the transition period from         to        .

                         Commission File Number: 0-26130

                              LEGATO SYSTEMS, INC.
             (Exact name of registrant as specified in its charter)

         DELAWARE                                              94-3077394
 (State of incorporation)                                  (I.R.S. Employer
                                                           Identification No.)

                                3145 PORTER DRIVE
                           PALO ALTO, CALIFORNIA 94304
                    (Address of principal executive offices)

                                 (415) 812-6000
              (Registrant's telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months (or for such shorter period that the registrant was
required to file such reports), and (2) has been subject to such filing
requirements for the past 90 days. Yes  X   No
                                       ---     ---

The number of shares outstanding of the registrant's common stock as of July 31,
1996 was 16,596,311
<PAGE>   2
                              LEGATO SYSTEMS, INC.

                                      INDEX

<TABLE>
<CAPTION>
                                                                                      Page
                                                                                      ----
<S>                                                                                   <C>
PART I:  CONDENSED FINANCIAL INFORMATION

   Item 1.  Financial Statements:

       Condensed Consolidated Balance Sheets as of June 30, 1996 and
         December 31, 1995                                                              3

       Condensed Consolidated Statements of Income for the three and six
         month periods ended June 30, 1996 and 1995                                     4

       Condensed Consolidated Statements of Cash Flows for the six month
         periods ended June 30, 1996 and 1995                                           5

       Notes to the Condensed Consolidated Financial Statements                         6

   Item 2.  Management's Discussion and Analysis of Financial Condition and
        Results of Operations                                                           7

PART II:  OTHER INFORMATION

   Item 4.  Submission of Matters to a Vote of Security Holders                        13


   Item 6. Exhibits and Reports on Form 8-K                                            13
</TABLE>
<PAGE>   3
PART I:      CONDENSED FINANCIAL INFORMATION

             ITEM 1:  FINANCIAL STATEMENTS

                              LEGATO SYSTEMS, INC.
                      CONDENSED CONSOLIDATED BALANCE SHEETS
                                 (in thousands)


<TABLE>
<CAPTION>
                                                          JUNE 30,     DECEMBER 31,
                                                            1996           1995
                                                         -----------   ------------
                                                         (unaudited)
<S>                                                      <C>           <C>
ASSETS

Current assets:
   Cash and cash equivalents                               $ 8,184       $ 8,444
   Short term investments                                   38,247        30,997
   Accounts receivable, net                                  7,618         5,466
   Other current assets                                        276           939
   Deferred tax asset                                        1,656         1,658
                                                           -------       -------

     Total current assets                                   55,981        47,504

Long-term investments                                        2,451        10,085
Property and equipment, net                                  2,785         1,533
Deposits and other assets                                      225            28
Intangible assets, net                                       5,086            --
                                                           -------       -------

       Total assets                                        $66,528       $59,150
                                                           =======       =======

LIABILITIES AND STOCKHOLDERS' EQUITY

Current liabilities:
   Accounts payable and accrued liabilities                $ 3,956       $ 2,758
   Income taxes payable                                      1,229           998
   Deferred revenues                                         6,248         4,852
                                                           -------       -------

     Total current liabilities                              11,433         8,608

Deferred tax liability                                       1,568            --

Commitments

Stockholders' equity:
   Common stock                                                  2             2
   Additional paid-in capital                               48,094        47,325
   Retained earnings                                         5,431         3,215
                                                           -------       -------

     Total stockholders' equity                             53,527        50,542
                                                           -------       -------

       Total liabilities and stockholders' equity          $66,528       $59,150
                                                           =======       =======
</TABLE>


   The accompanying notes are an integral part of the Condensed Consolidated
                             Financial Statements.


                                     Page 3
<PAGE>   4
                              LEGATO SYSTEMS, INC.
                   CONDENSED CONSOLIDATED STATEMENTS OF INCOME
                                   (unaudited)
                    (in thousands, except per share amounts)

<TABLE>
<CAPTION>
                                                Three Months Ended           Six Months Ended
                                                     June 30,                     June 30,
                                                1996          1995          1996          1995
                                               -------       -------       -------       -------
<S>                                            <C>           <C>           <C>           <C>
Revenues:
   Product and other                           $ 7,767       $ 4,181       $14,050       $ 7,326
   Royalty and license                           2,682         1,686         5,563         3,524
   Software subscription                         2,124           978         3,885         1,823
                                               -------       -------       -------       -------

       Total revenues                           12,573         6,845        23,498        12,673

Cost of revenues:
   Product and other                               460           330           972           572
   Software subscription                           720           366         1,384           680
                                               -------       -------       -------       -------

       Total cost of revenues                    1,180           696         2,356         1,252
                                               -------       -------       -------       -------

             Gross profit                       11,393         6,149        21,142        11,421

Operating expenses:
   Research and development                      2,087           874         3,949         1,748
   Sales and marketing                           4,267         2,776         8,066         4,991
   General and administrative                    1,464           866         2,810         1,635
   Amortization of intangibles                     276            --           542            --
   In-process research and development              --            --         1,849            --
                                               -------       -------       -------       -------

       Total operating expenses                  8,094         4,516        17,216         8,374
                                               -------       -------       -------       -------

Income from operations                           3,299         1,633         3,926         3,047

Interest income (net)                              411            49           865            80
                                               -------       -------       -------       -------

Income before provision for income taxes         3,710         1,682         4,791         3,127

Provision for income taxes                       1,367           534         2,575           984
                                               -------       -------       -------       -------

Net income                                     $ 2,343       $ 1,148       $ 2,216       $ 2,143
                                               =======       =======       =======       =======

Net income per share                           $   .13       $   .09       $   .12       $   .16
                                               =======       =======       =======       =======

Shares used in per share calculation            18,646        13,429        18,552        13,324
                                               =======       =======       =======       =======
</TABLE>


   The accompanying notes are an integral part of the Condensed Consolidated
                             Financial Statements.

                                     Page 4
<PAGE>   5
                              LEGATO SYSTEMS, INC.
                 CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
                                   (unaudited)
                                 (in thousands)

<TABLE>
<CAPTION>
                                                                    SIX MONTHS ENDED
                                                                        JUNE 30,
                                                                  1996            1995
                                                                --------        --------
<S>                                                             <C>             <C>
CASH FLOWS FROM OPERATING ACTIVITIES:
     Net income                                                 $  2,216        $  2,143
     Adjustments to reconcile net income to net cash
       provided by operating activities:
         Depreciation and amortization                               979             299
         Deferred tax asset                                            2            (313)
         Write-off of in-process research and development          1,849              --
     Changes in operating assets and liabilities:
         Accounts receivable                                      (1,307)         (1,472)
         Other current assets                                        159            (101)
         Current liabilities                                       1,829           1,911
                                                                --------        --------

              Net cash provided by operating activities            5,727           2,467

CASH FLOWS FROM INVESTING ACTIVITIES:
     Acquisition of property and equipment                        (1,573)           (509)
     Purchase of  available-for-sale securities                  (35,246)             --
     Proceeds from maturity and sale of available-
       for-sale securities                                        36,212              --
     Payment for purchase of subsidiaries, net of
       cash acquired                                              (5,924)             --
     Other                                                          (197)             56
                                                                --------        --------

              Net cash used in investing activities               (6,728)           (453)

CASH FLOWS FROM FINANCING ACTIVITIES:
     Proceeds from issuance of common stock                          732              72
     Other                                                             9            (190)
                                                                --------        --------
              Net cash provided by (used in) financing
                  activities                                         741            (118)
                                                                --------        --------

Net increase (decrease) in cash and cash equivalents                (260)          1,896

Cash and cash equivalents at beginning of period                   8,444           4,031
                                                                --------        --------
Cash and cash equivalents at end of period                      $  8,184        $  5,927
                                                                ========        ========
Supplemental information:

     Income taxes paid                                          $  2,554        $    249
                                                                ========        ========
     Non-cash transactions:

         Deferred tax liability                                 $  1,568        $     --
                                                                ========        ========
</TABLE>


    The accompanying notes are an integral part of the Condensed Consolidated
                             Financial Statements.


                                     Page 5
<PAGE>   6
                              LEGATO SYSTEMS, INC.
            NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
                                   (unaudited)

NOTE 1.  BASIS OF PRESENTATION

In the opinion of management, the accompanying unaudited condensed consolidated
financial statements contain all adjustments (all of which are normal and
recurring in nature) necessary to present fairly the financial position, results
of operations and cash flows of Legato Systems, Inc. and its subsidiaries
("Legato" or "the Company"). The results of operations for the interim periods
presented are not necessarily indicative of the results that may be expected for
any future interim periods or for the full fiscal year. The Notes to the
Consolidated Financial Statements contained in the 1995 Report on Form 10-K
should be read in conjunction with these Condensed Consolidated Financial
Statements. The balance sheet at December 31, 1995 was derived from audited
financial statements, however; it does not include all disclosures required by
generally accepted accounting principles.

NOTE 2.  COMPUTATION OF NET INCOME PER SHARE

Net income per share is based upon the weighted average number of common and
common equivalent shares outstanding. Common equivalent shares are included in
the per share calculations where the effect of their inclusion would be
dilutive. Dilutive common equivalent shares consist of the incremental common
shares issuable upon conversion of convertible preferred stock (using the "if
converted" method) and stock options (using the treasury stock method.) Pursuant
to the Securities and Exchange Commission Staff Accounting Bulletin No. 83,
common and common equivalent shares issued by the Company during the twelve
months preceding the initial filing date of the initial public offering, using
the treasury stock method and the public offering price per share, have been
included in the calculation of net income per share for the first two quarters
of 1995.

NOTE 3.  ACQUISITION OF INNOVUS

On January 5, 1996, the Company completed its acquisition of Innovus, Inc.,
Innovus Technologies, Inc. and 815598 Ontario, Inc. (collectively "Innovus"),
each based in Canada for approximately $6,687,000 including acquisition costs.
Prior to the acquisition, Innovus (except for 815598 Ontario, Inc.) was in the
business of (i) the porting of licensed software for Hewlett-Packard HP9000 and
HP3000 series computers and the sale and distribution of such ported software,
and (ii) supplying clinical trials and research services on contract in the
Canadian pharmaceutical industry. Legato intends to continue similar operations
in Canada. Prior to the acquisition, 815598 Ontario, Inc. did not conduct any
business other than holding shares of capital stock of Innovus, Inc. The
acquisition was accounted for using the purchase method and, on this basis,
resulted in a one-time write-off of $1,849,000 for purchased in-process research
and development. The balance of the purchase price was allocated to purchased
technology and goodwill totaling $4,060,000. Additional goodwill of $1,568,000
arises as a result of recording a deferred tax liability related to timing
differences in the amortization of purchased technology for book and tax
purposes. The Company plans to amortize purchased technology and goodwill on a
straight-line basis over five years. The operating results of Innovus have been
consolidated with the Company's operating results beginning as of the
acquisition date.

Pro forma results of operations of the Company for the three and six months
ended June 30, 1995, assuming the acquisition of Innovus had occurred at the
beginning of that period, include revenues of $8.1 million and $9.2 million, net
income of $1.5 million and $343,000 and earnings per share of $0.58 and $0.03,
respectively.

NOTE 4.  STOCK SPLIT

The Company authorized a two-for-one stock split, effective July 5, 1996. This
stock split has been retroactively reflected in the accompanying Condensed
Consolidated Financial Statements.



                                     Page 6
<PAGE>   7
ITEM 2.   MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
          RESULTS OF OPERATIONS

The discussion in this report on Form 10-Q contains forward looking statements
that involve risks and uncertainties. The Company's actual results may differ
materially from the results discussed in the forward-looking statements. Factors
that could cause or contribute to such differences include, but are not limited
to, those discussed under the heading "Risk Factors" contained herein and in the
Company's other filings with the Securities and Exchange Commission, including
but not limited to those discussed under the heading "Risk Factors" in the
Company's 1995 Report on Form 10-K.

RESULTS OF OPERATIONS

OVERVIEW

The Company develops, markets and supports network storage management software
products for heterogeneous client/server computing environments. The Company's
NetWorker software, from which the Company derives the vast majority its
revenues, supports many storage management server platforms and can accommodate
a variety of clients, servers and storage devices. The Company licenses its
product through resellers and directly to end users in North America, Europe and
Asia Pacific. The Company also licenses its source code in exchange for initial
licensing fees to original equipment manufacturers ("OEMs") and receives ongoing
royalties from product sales by source code OEMs and SunSoft, a private label
reseller. Substantially all of the OEMs are large computer system and software
suppliers located in the United States and Europe. The Company believes it is a
technology leader in the network storage management software market because of
the heterogeneity, scalability, performance and ease of use of its software
products.

Selected elements of the Company's financial statements are shown below as a
percentage of total revenues.

<TABLE>
<CAPTION>
                                                  Three Months Ended           Six Months Ended
                                                       June 30,                    June 30,
                                                  1996          1995          1996          1995
                                                  -----         -----         -----         -----
<S>                                               <C>           <C>           <C>           <C>
Revenues:
   Product and other                               61.8%         61.1%         59.8%         57.8%
   Royalty and license                             21.3          24.6          23.7          27.8
   Software subscription                           16.9          14.3          16.5          14.4
                                                  -----         -----         -----         -----
       Total revenues                             100.0         100.0         100.0         100.0

Cost of revenues:
   Product and other                                3.7           4.8           4.1           4.5
   Software subscription                            5.7           5.4           5.9           5.4
                                                  -----         -----         -----         -----
       Total cost of revenues                       9.4          10.2          10.0           9.9
                                                  -----         -----         -----         -----
       Gross profit                                90.6          89.8          90.0          90.1

Operating expenses:
   Research and development                        16.6          12.8          16.8          13.8
   Sales and marketing                             33.9          40.5          34.3          39.3
   General and administrative                      11.6          12.6          12.0          12.9
   Amortization of intangibles                      2.2          --             2.3          --
   In-process research and development             --            --             7.9          --
                                                  -----         -----         -----         -----
       Total operating expenses                    64.4          65.9          73.3          66.0
                                                  -----         -----         -----         -----
Income from operations                             26.2          23.9          16.7          24.1
Interest income (net)                               3.3           0.7           3.7           0.6
                                                  -----         -----         -----         -----
Income before provision for income taxes           29.5          24.6          20.4          24.7
Provision for income taxes                         10.9           7.8          11.0           7.8
                                                  -----         -----         -----         -----
Net income                                         18.6%         16.8%          9.4%         16.9%
                                                  =====         =====         =====         =====
</TABLE>



                                     Page 7
<PAGE>   8
REVENUES

Revenues for the second quarter of 1996 increased 84% percent over revenues for
the comparable period of 1995, and revenues for the first half of 1996 grew 85%
percent from the comparable period of 1995. These increases were attributable to
increased licensing of the Company's products, increased sales of software
subscriptions, as well as increased royalty revenue.

Product and Other Revenues. Product and other revenues were $4.2 million and
$7.8 million for the second quarter of 1995 and 1996, respectively, representing
an increase of 86 percent. For the first half of 1995 and 1996, product and
other revenues were $7.3 million and $14.1 million, respectively, representing
an increase of 92 percent. Product revenue increased over these periods
primarily as a result of the continued acceptance of the NetWorker (the
Company's principal product), including NetWorker for Windows NT and HP-UX
(which began shipping in the first quarter of 1996), and the NetWorker add-on
options offered by the Company. Add-on options include autoloaders, ClientPaks
and additional connection options. Other revenues were less than 10 percent of
total revenues for the periods presented. Prior growth rates of the Company's
product and other revenues may not be indicative of future product and other
revenues growth rates and may not be sustainable in the future.

Royalty and License Revenues. Royalty and license revenues were $1.7 million and
$2.7 million for the second quarter of 1995 and 1996, respectively, representing
an increase of 59 percent. The increase is primarily attributable to a 97
percent increase in royalty revenues from product sales by source code OEM's,
from $1.3 million in the second quarter of 1995 to $2.5 million for the second
quarter of 1996. License fee revenue decreased from $400,000 in the second
quarter of 1995 to $145,000 in the same period of 1996. Royalty and license
revenues were $3.5 million and $5.6 million for the first half of 1995 and 1996,
respectively, representing an increase of 58 percent due primarily to a 90
percent increase in royalty revenues on a comparable period basis. Royalty
revenues are recognized upon receipt of quarterly royalty reports from OEMs
related to their product sales for the previous quarter. License fee revenue for
the first half of 1995 and 1996 of $850,000 and $480,000, respectively, reflect
licenses sold for the Company's products. Prior growth rates of the Company's
royalty and license revenues are not indicative of future royalty and license
revenues growth rates and may not be sustainable in the future.

Software Subscription Revenues. Software subscription revenues were $978,000 and
$2.1 million for the second quarter of 1995 and 1996, respectively, representing
an increase of 117 percent. For the first half of 1995 and 1996, software
subscription revenues were $1.8 million and $3.9 million, respectively, an
increase of 113 percent. These increases were primarily due to the increase in
the number of registered servers for the Company's products that are covered
under maintenance and support contracts, the renewal of software subscriptions
after the initial one-year term and increased staffing for software subscription
sales. Prior growth rates of the Company's software subscription revenues are
not indicative of future software subscription revenue growth rates and may not
be sustainable in the future.

International product sales were $819,000 and $2.3 million for the second
quarter of 1995 and 1996, respectively. International product sales accounted
for 20 percent and 31 percent of total product and other revenues in the second
quarter of 1995 and 1996, respectively. For the first half of 1995 and 1996,
international product sales were $1.8 million and $4.5 million, respectively.
International product sales accounted for 24 percent and 35 percent of total
product and other revenues in the first half of 1995 and 1996, respectively. The
majority of international sales during these periods were made in Europe. The
Company has begun and plans to continue expanding its international operations,
which will require significant management attention and financial resources and
could materially adversely affect the Company's operating results. To the extent
that the Company is unable to effect these additions in a timely manner, the
Company's growth, if any, in international sales will be limited, and the
Company's business, operating results and financial condition could be
materially adversely affected.

GROSS PROFIT

Gross profit was $6.1 million and $11.4 million for the second quarter of 1995
and 1996, respectively, representing 89.8 percent and 90.6 percent of total
revenues, respectively. Gross profit was $11.4 million and $21.1 million for the
first half of 1995 and 1996, respectively, representing 90.1 percent and 90.0
percent of total revenues,



                                     Page 8
<PAGE>   9
respectively. The increases in total gross profit are attributable to the higher
levels of revenues, with gross margin percentages remaining comparable from
period to period.

Gross profit from product and other revenues increased 90 percent from $3.9
million (or 92.1 percent of product and other revenues) in the second quarter of
1995 to $7.3 million (or 94.1 percent of product and other revenues) in the
second quarter of 1996. For the first half of 1995 and 1996, gross profit from
product and other revenues increased 94 percent from $6.8 million (or 92.1
percent of product and other revenues) to $13.1 million (or 93.1 percent of
product and other revenues), respectively. Costs of product and other revenues
consist primarily of product media, documentation and packaging. In the first
half of 1996, product costs include clinical research expenses, reflecting the
principle activity of Innovus, Inc., which was acquired along with Innovus
Technologies, Inc. in January 1996. See Note 3 of Notes to Condensed
Consolidated Financial Statements.

Gross profit from software subscription revenue increased 129 percent from
$612,000 (or 62.6 percent of software subscription revenue) in the second
quarter of 1995 to $1.4 million (or 66.1 percent of software subscription
revenue) in the second quarter of 1996. Gross profit from software subscription
revenue increased 119 percent from $1.1 million (or 62.7 percent of software
subscription revenue) in the first half of 1995 to $2.5 million (or 64.4 percent
of software subscription revenue) in the first half of 1996. These increases are
the result of similar increases in software subscription revenues over these
periods

OPERATING EXPENSES

Research and Development. Research and development expenses were $874,000 and
$2.1 million in the second quarter of 1995 and 1996, respectively, an increase
of 139 percent. As a percentage of total revenues, research and development
increased from 12.8 percent in the second quarter of 1995 to 16.6 percent in the
second quarter of 1996. Research and development expenses were $1.7 million and
$3.9 million in the first six months of 1995 and 1996, or 13.8 percent and 16.8
percent of total revenues, respectively. The increases in absolute dollars are
principally a result of increased headcount. The Company believes that research
and development expenses will increase in absolute dollar amounts as it
continues to invest in developing new products, applications, and product
enhancements.

Sales and Marketing. Sales and marketing expenses were $2.8 million and $4.3
million in the second quarter of 1995 and 1996, respectively. As a percentage of
total revenues, sales and marketing expenses decreased from 40.6 percent in the
second quarter of 1995 to 33.9 percent in the comparable 1996 period. Sales and
marketing expenses were $5.0 million and $8.1 million in the first half of 1995
and 1996, or 39.4 percent and 34.3 percent of total revenues, respectively. The
decreases in percentages are primarily due to more rapid increases in revenues
than related expenses. The Company believes that sales and marketing expenses
will increase in dollar amounts as the Company continues to expand its sales and
marketing staff.

General and Administrative. General and administrative expenses were $866,000
and $1.5 million in the second quarter of 1995 and 1996, respectively, and
increase of 69 percent. As a percentage of total revenues, general and
administrative expenses decreased from 12.6 percent in the second quarter of
1995 to 11.6 percent in the comparable 1996 period. General and administrative
expenses increased 72 percent from $1.6 million in the first half of 1995 to
$2.8 million in the first half of 1996. As a percentage of total revenues,
general and administrative expenses decreased from 12.9 percent in the second
quarter of 1995 to 12.0 percent in the first six months of 1996. These increases
in absolute dollars are primarily attributable to increased staffing and related
costs required to manage and support the Company's growth. The Company expects
that general and administrative expenses will increase in dollar amount as the
Company expands its staffing and other support operations.

Amortization of Intangibles. In the six month period ended June 30, 1996, the
Company amortized $542,000 of purchased technology and goodwill following the
acquisition of Innovus in the first quarter of 1996. The Company plans to
amortize these intangibles on a straight-line basis over five years. See Note 3
of Notes to Condensed Consolidated Financial Statements.


                                     Page 9
<PAGE>   10
In-process Research and Development. In the quarter ended March 31, 1996, the
Company expensed $1.8 million of non-tax deductible in-process research and
development in connection with the acquisition of Innovus. See Note 3 of Notes
to Condensed Consolidated Financial Statements.

Interest Income (Net). Net interest income was $49,000 and $411,000 in the
second quarter of 1995 and 1996, respectively, and $80,000 and $865,000 in the
first half of 1995 and 1996, respectively. The increases in interest income are
attributable to the higher level of funds available for investment following the
Company's initial public offering in July 1995.

Provision for Income Taxes. The provision for income taxes for the first half of
1995 was $984,000 compared to $2.6 million for the first six months of 1996.
Excluding the effect of one time charges related to the acquisition of Innovus,
the effective tax rate for the first half of 1996 was 38.8 percent.

LIQUIDITY AND CAPITAL RESOURCES

The Company's cash, cash equivalents and investments totaled $48.9 million at
June 30, 1996 and represented 73 percent of total assets. Cash and cash
equivalents are highly liquid with original maturities of ninety days or less.
Investments consist mainly of municipal securities and commercial paper rated Aa
or better and U.S. Treasury Notes. At June 30, 1996, the Company had no
long-term debt and stockholders' equity was approximately $53.5 million.

Cash generated from operations and sales of preferred and common stock have been
sufficient to finance the Company's operations. Cash and cash equivalents
decreased $260,000 during the first six months of 1996 to $8.2 million, as cash
paid for the acquisition of Innovus was only partially offset by cash generated
from operations.

The Company believes that the net proceeds from the initial public offering in
July of 1995, together with its current cash balances and cash flow from
operations, if any, will be sufficient to meet the Company's working capital and
capital expenditure requirements for at least the next twelve months.

RISK FACTORS

In addition to other information in this Report on Form 10-Q, the following risk
factors should be considered carefully in evaluating the Company and its
business.

Fluctuations in Quarterly Operating Results; Future Operating Results Uncertain

The Company's quarterly operating results have in the past varied and may in the
future vary significantly depending on a number of factors, including the size
and timing of significant orders; increased competition; market acceptance of
new products, applications and product enhancements; changes in pricing policies
by the Company and its competitors; the ability of the Company to timely
develop, introduce and market new products, applications and product
enhancements and to control costs; the Company's success in expanding its sales
and marketing programs; technological changes in the network storage management
market; the mix of sales among the Company's channels; deferrals of customer
orders in anticipation of new products, applications or product enhancements;
changes in Company strategy; personnel changes; and general economic factors.

The Company's future revenues are difficult to predict. The Company operates
with virtually no order backlog because its software products typically are
shipped shortly after orders are received. In addition, the Company does not
recognize revenues on sales through domestic distributors until the products are
sold through to end users. As a result, product revenues in any quarter are
substantially dependent on orders booked and shipped in that quarter and to a
lesser extent on sell-through to end users in that quarter. Revenues for any
future quarter are not predictable with any significant degree of certainty.
Product revenues are also difficult to forecast because the network storage
management market is rapidly evolving and the Company's sales cycle varies
substantially from customer to customer. Royalty and license revenues are
substantially dependent upon sales by OEMs of their products that incorporate
the Company's software. Accordingly, royalty and license revenues are subject to
OEMs' product cycles, which are also difficult to predict. Royalty and license
revenues are further impacted by fluctuations in licensing



                                    Page 10
<PAGE>   11
activity from quarter-to quarter, because initial license fees generally are
non-recurring and recognized upon the signing of the license agreement. The
Company's expense levels are based, in part, on its expectations as to future
revenues. If revenue levels are below expectations, operating results are likely
to be adversely affected. Net income may be disproportionately affected by a
reduction in revenues because a proportionately smaller amount of the Company's
expenses varies with its revenues. As a result, the Company believes that
period-to-period comparisons of its results of operations are not necessarily
meaningful and should not be relied upon as indications of future performance.
Due to all of the foregoing factors, it is possible that in some future quarter
the Company's operating results may be below the expectations of public market
analysts and investors. In such event, the price of the Company's Common Stock
would likely be materially adversely affected.

Product Concentration

The Company currently derives substantially all of its revenues from its
NetWorker software products and related services, and the Company expects that
revenues from NetWorker will continue to account for substantially all of the
Company's revenues for the foreseeable future. Broad market acceptance of
NetWorker is, therefore, critical to the Company's future success. As a result,
a decline in unit prices of or demand for NetWorker, or failure to achieve broad
market acceptance of NetWorker, as a result of competition, technological change
or otherwise, would have a material adverse effect on the business, operating
results and financial condition of the Company. The life cycle of NetWorker is
difficult to estimate due in large measure to the recent emergence of the
Company's market, the effect of new products, applications or product
enhancements, technological changes in the network storage management
environment in which NetWorker operates and future competition. The Company's
future financial performance will depend in part on the successful development,
introduction and market acceptance of new products, applications and product
enhancements. There can be no assurance that the Company will continue to be
successful in marketing NetWorker or any new products, applications or product
enhancements.

Competition

The network storage management market is intensely competitive, highly
fragmented and characterized by rapidly changing technology and evolving
standards. Competitors vary in size and in the scope and breadth of the products
and services offered. Increased competition is likely to result in price
reductions, reduced gross margins and loss of market share, any of which could
materially adversely affect the Company's business, operating results and
financial condition. Many of the Company's current and potential competitors
have significantly greater financial, technical, marketing and other resources
than the Company. As a result, they may be able to respond more quickly to new
or emerging technologies and changes in customer requirements, or to devote
greater resources to the development, promotion, sale and support of their
products than the Company. The Company also expects that competition will
increase as a result of future software industry consolidations, which have
occurred in the network storage management market in the past. In addition,
current and potential competitors have established or may establish cooperative
relationships among themselves or with third parties. Accordingly, it is
possible that new competitors or alliances among competitors may emerge and
rapidly acquire significant market share. In addition, network operating system
vendors could introduce new or upgrade existing operating systems or
environments that include storage management functionality offered by the
Company's products, which could render the Company's products obsolete and
unmarketable. There can be no assurance that the Company will be able to compete
successfully against current or future competitors or that competitive pressures
faced by the Company will not materially adversely affect its business,
operating results and financial condition.

Dependence on New Software Products; Rapid Technological Change

The network storage management market is characterized by rapid technological
change, changing customer needs, frequent new software product introductions and
evolving industry standards. The introduction of products embodying new
technologies and the emergence of new industry standards could render the
Company's existing products obsolete and unmarketable. The Company's future
success will depend upon its ability to develop and introduce new software
products (including new releases, applications and enhancements) on a timely
basis that keep pace with technological developments and emerging industry
standards and address the increasingly sophisticated needs of its customers.
There can be no assurance that the Company will be successful in developing and
marketing new products that respond to technological changes or evolving
industry standards, that the Company will not


                                    Page 11
<PAGE>   12
experience difficulties that could delay or prevent the successful development,
introduction and marketing of these new products, or that its new products will
adequately meet the requirements of the marketplace and achieve market
acceptance. If the Company is unable, for technological or other reasons, to
develop and introduce new products in a timely manner in response to changing
market conditions or customer requirements, the Company's business, operating
results and financial condition will be materially adversely affected. The
Company currently has plans to introduce and market several other potential new
products in the next several months. Some of the Company's competitors currently
offer certain of these potential new products. Due to the complexity of
client/server software and the difficulty in gauging the engineering effort
required to produce these potential new products, such potential new products
are subject to significant technical risks. There can be no assurance that such
potential new products will be introduced on a timely basis or at all. In the
past, the Company has experienced delays in the commencement of commercial
shipments of its new products, resulting in customer frustrations and delay or
loss of product revenues. If potential new products are delayed or do not
achieve market acceptance, the Company's business, operating results and
financial condition will be materially adversely affected. The Company has also,
in the past, experienced delays in purchases of its products by customers
anticipating the launch of new products by the Company. There can be no
assurance that material order deferrals in anticipation of new product
introductions will not occur.

Software products as complex as those offered by the Company may contain
undetected errors or failures when first introduced or as new versions are
released. The Company has in the past discovered software errors in certain of
its new products after their introduction and has experienced delays or lost
revenues during the period required to correct these errors. Although the
Company has not experienced material adverse effects resulting from any such
errors to date, there can be no assurance that, despite testing by the Company
and by current and potential customers, errors will not be found in new products
after commencement of commercial shipments, resulting in loss of or delay in
market acceptance, which could have a material adverse effect upon the Company's
business, operating results and financial condition.

Possible Volatility of Stock Price

The Company completed its initial public offering in July, 1995. Prior to that
date there was no public market for the Company's Common Stock, and there can be
no assurance that an active public market for the Common Stock will be
sustained. The trading price of the Company's Common Stock could be subject to
wide fluctuations in response to quarterly variations in operating results,
announcements of technological innovations or new products, applications or
product enhancements by the Company or its competitors, changes in financial
estimates by securities analysts and other events or factors. In addition, the
stock market has experienced volatility that has particularly affected the
market prices of equity securities of many high technology companies and that
often has been unrelated to the operating performance of such companies. These
broad market fluctuations may adversely affect the market price of the Company's
Common Stock.

The Company's business entails a variety of additional risks, which are set
forth in the Company's 1995 Report on Form 10-K. See "Risk Factors" in the
Company's 1995 Report on Form 10-K.


                                    Page 12
<PAGE>   13
PART II:     OTHER INFORMATION

             ITEM 4.  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

The Company's Annual Meeting of Shareholders was held on May 16, 1996 in Palo
Alto, California. Of the 16,313,314 shares outstanding as of the record date,
14,082,478 shares were present or represented by proxy at the meeting. The
following matters were submitted to a vote of security holders:

(1)      To elect the following to serve as Directors of the Company:

<TABLE>
<CAPTION>
                                          Votes For        Votes Abstaining
                                          ----------       ----------------
<S>                                       <C>              <C>
         Louis C. Cole                    13,971,742           110,736
         Eric A. Benhamou                 13,973,178           109,300
         Kevin Fong                       13,973,178           109,300
         David N. Strohm                  13,973,178           109,300
         Phillip E. White                 13,973,178           109,300
</TABLE>

(2)      To approve the adoption of an amendment to the Company's Employee Stock
         Purchase Plan to eliminate eligibility requirements:

<TABLE>
<S>                                       <C>
         Votes for:                       14,055,594
         Votes against:                       17,618
         Votes abstaining:                     9,266
</TABLE>


(3)      To ratify the Company's appointment of Coopers and Lybrand L.L.P. as
         independent accountants for the Company for the fiscal year ending
         December 31, 1996:

<TABLE>
<S>                                       <C>
         Votes for:                       14,075,128
         Votes against:                        3,350
         Votes abstaining:                     4,000
</TABLE>


             ITEM 6.  EXHIBITS AND REPORTS ON FORM 8-K

(a) Exhibits

       10.0  Lease agreement between Coherent, Inc., a Delaware corporation, and
             Legato Systems, Inc., a Delaware corporation, dated March 14, 1996

       11.0  Statement of Computation of Net Income Per Share

       27.0  Financial Data Schedule

(b) Reports on Form 8-K

         No reports on Form 8-K were filed during the quarter ended June 30,
         1996.




                                    Page 13
<PAGE>   14
                                    SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.

LEGATO SYSTEMS, INC.

Date:  August 7, 1996                /s/ Louis C. Cole
                                     ---------------------------------------
                                     Louis C. Cole
                                     Chief Executive Officer

                                    (Duly authorized officer and principal
                                     financial and accounting officer)





                                    Page 14
<PAGE>   15
                                  EXHIBIT INDEX

       10.0  Lease agreement between Coherent, Inc., a Delaware corporation, and
             Legato Systems, Inc., a Delaware corporation, dated March 14, 1996

       11.0  Statement of Computation of Net Income Per Share

       27.0  Financial Data Schedule


<PAGE>   1
                                 LEASE AGREEMENT

                                 by and between

                            COHERENT, INC. (Landlord)

                                       and

                          LEGATO SYSTEMS, INC. (Tenant)
<PAGE>   2
                                TABLE OF CONTENTS

                                                                            PAGE

1.   DEFINITIONS.......................................................        1
          1.1      Agreed Interest Rate................................        1
          1.2      Building............................................        1
          1.3      Commencement Date...................................        1
          1.4      Effective Date......................................        1
          1.5      Ground Lease........................................        1
          1.6      Ground Lessor.......................................        1
          1.7      Law.................................................        1
          1.8      Lease...............................................        2
          1.9      Lease Term..........................................        2
          1.10     Leasehold Improvements..............................        2
          1.11     Lender..............................................        2
          1.12     Monthly Rent........................................        2
          1.13     Other Areas.........................................        2
          1.14     Permitted Use.......................................        2
          1.15     Premises............................................        2
          1.16     Prepaid Rent........................................        3
          1.17     Private Restrictions................................        3
          1.18     Security Deposit....................................        3
          1.19     Tenant Improvements.................................        3
          1.20     Tenant's Minimum Liability Insurance Coverage.......        3
          1.21     Trade Fixtures......................................        3

2.   TERM AND ACCEPTANCE:..............................................        3
          2.1      Delivery and Acceptance of Possession...............        3
          2.2      Tenant Improvements.................................        3
          2.3      Options to Extend Lease Term........................        4

3.   RENT..............................................................        7
          3.1      Monthly Payments....................................        7
          3.2      Additional Rent.....................................        7
          3.3      Payment of Rent.....................................        7
          3.4      Late Charge and Interest on Rent in Default.........        7
          3.5      Prepayment of Rent..................................        8
          3.6      Security Deposit....................................        8

4.   USE OF PREMISES...................................................        9
          4.1      Limitation on Type..................................        9
          4.2      Compliance with Laws and Private Restrictions.......        9
          4.3      Insurance Requirements..............................        9
          4.4      Other Areas.........................................        9


                                       -i-
<PAGE>   3
                                TABLE OF CONTENTS
                                   (CONTINUED)

                                                                            PAGE

          4.5      Signs..............................................        10
          4.6      Intentionally Omitted..............................        10
          4.7      Parking............................................        10
          4.8      Intentionally Omitted. ............................        10
          4.9      Auctions...........................................        10

5.   TRADE FIXTURES AND LEASEHOLD IMPROVEMENTS........................        10
          5.1      Trade Fixtures.....................................        10
          5.2      Leasehold Improvements.............................        10
          5.3      Alterations Required by Law........................        11
          5.4      Liens..............................................        11

6.   REPAIR AND MAINTENANCE...........................................        12
          6.1      Tenant's Obligation to Maintain....................        12
          6.2      Landlord's Obligation to Maintain..................        12
          6.3      Control of Other Areas.............................        13
          6.4      Tenant's Negligence................................        13

7.   UTILITIES........................................................        13
          7.1      Utilities..........................................        13
          7.2      Compliance with Governmental Regulations...........        13

8.   REAL PROPERTY TAXES..............................................        14
          8.1      Real Property Taxes Defined........................        14
          8.2      Tenant's Obligation to Reimburse...................        14
          8.3      Taxes on Tenant's Property.........................        15
          8.4      Tenant's Right to Contest..........................        15

9.   INSURANCE
          9.1      Tenant's Insurance.................................        15
          9.2      Landlord's Insurance...............................        17
          9.3      Tenant's Obligation to Reimburse...................        17
          9.4      Release and Waiver of Subrogation..................        18

10.  LIMITATION ON LANDLORD'S LIABILITY AND INDEMNITY.................        18
          10.1     Limitation on Landlord's Liability.................        18
          10.2     Limitation on Tenant's Recourse....................        18
          10.3     Indemnification of Landlord........................        19

                                      -ii-
<PAGE>   4
                                TABLE OF CONTENTS
                                   (CONTINUED)

                                                                            PAGE


11.  DAMAGE TO PREMISES...............................................        19
          11.1     Landlord's Duty to Restore.........................        19
          11.2     Landlord's Right to Terminate......................        20
          11.3     Tenant's Right to Terminate........................        21
          11.4     Abatement of Rent..................................        21

12.  CONDEMNATION.....................................................        21
          12.1     Taking of Premises.................................        21
          12.2     Termination By Tenant..............................        22
          12.3     Restoration and Abatement of Rent..................        22
          12.4     Temporary Taking...................................        22
          12.5     Division of Condemnation Award.....................        23

13.  DEFAULT AND REMEDIES.............................................        23
          13.1     Events of Tenant's Default.........................        23
          13.2     Landlord's Remedies................................        24
          13.3     Landlord's Default and Tenant's Remedies or
                     Tenant's Agents..................................        26
          13.4     Waiver.............................................        26

14.  ASSIGNMENT AND SUBLETTING........................................        27
          14.1     By Tenant..........................................        27
          14.2     By Landlord........................................        29

15.  WASTE DISPOSAL AND HAZARDOUS MATERIALS...........................        30
          15.1     Waste Disposal.....................................        30
          15.2     Hazardous Materials................................        30
          15.3     Existing Hazardous Materials.......................        32

16.  GENERAL PROVISIONS...............................................        36
          16.1     Landlord's Right to Enter..........................        36
          16.2     Surrender of the Premises..........................        36
          16.3     Holding Over.......................................        37
          16.4     Subordination......................................        37
          16.5     Tenant's Attornment................................        38
          16.6     Lender Protection..................................        38
          16.7     Estoppel Certificates and Financial Statements.....        38
          16.8     Force Majeure......................................        39
          16.9     Notices............................................        39
          16.10    Attorneys' Fees....................................        39

                                      -iii-
<PAGE>   5
                                TABLE OF CONTENTS
                                   (CONTINUED)

                                                                            PAGE

          16.11    Corporate Authority................................        40
          16.12    Miscellaneous......................................        40
          16.13    Brokerage Commissions..............................        40
          16.14    Consents and Approvals.............................        41
          16.15    Termination by Exercise of Option..................        41
          16.16    Entire Agreement...................................        41
          16.17    Condition Precedent................................        42


EXHIBITS
   Exhibit A    -     Legal Description
   Exhibit B    -     Tenant Improvement Agreement
   Exhibit C    -     Environmental Documents




                                      -iv-
<PAGE>   6
                                 LEASE AGREEMENT

         THIS LEASE AGREEMENT, dated January 26, 1996 for reference purposes
only, is made by and between COHERENT, INC., a Delaware corporation
("Landlord"), and LEGATO SYSTEMS, INC., a Delaware corporation ("Tenant").

1.       DEFINITIONS:  Any term that is given a special meaning by this
Paragraph 1 or by any other provision of this Lease (including the Exhibits
attached hereto) shall have such meaning when used in this Lease or any addendum
or amendment hereto.

         1.1 Agreed Interest Rate: "Agreed Interest Rate" means that interest
rate determined as of the time it is to be applied that is equal to the lesser
of (i) one percent (1%) plus the "prime rate" (the "reference rate" or "prime
rate" quoted from time-to-time by the Bank) charged by the Bank of America, N.T.
& S.A. ("Bank"), or (ii) the maximum interest rate permitted by law.

         1.2 Building: "Building" means that certain building (deemed to be
95,500 square feet) located on the Premises.

         1.3 Commencement Date: "Commencement Date" means the earliest to occur
of the following dates: (i) September 1, 1996; (ii) the date of Substantial
Completion of the Tenant Improvements (as defined in Exhibit B); or (iii) the
date upon which Tenant actually occupies and conducts business in any portion of
the Premises.

         1.4 Effective Date: "Effective Date" means the date the last signatory
to this Lease whose execution is required to make it binding on the parties
hereto shall have executed this Lease.

         1.5 Ground Lease: "Ground Lease" means the lease concerning the
Premises as the same may be amended, modified, replaced or extended, by and
between Ground Lessor and Landlord.

         1.6 Ground Lessor: "Ground Lessor" means The Board of Trustees of the
Leland Stanford Junior University, a body having corporate powers under the laws
of the State of California.

         1.7 Law: "Law" means any judicial decision, statute, constitution,
ordinance, resolution, regulation, rule, administrative order, or other
requirement of any municipal, county, state, federal, or other government agency
or authority having jurisdiction over the parties to this Lease or the Premises
or both, in effect either at the Effective Date of this Lease or any time during
the Lease Term, including, without limitation, any regulation, order, or policy
of any quasi-official entity or body (e.g., board of fire examiners, public
utilities or special districts).



                                      -1-
<PAGE>   7
         1.8 Lease: "Lease" means this printed lease, Exhibit A (Legal
Description), Exhibit B (Tenant Improvement Agreement), and Exhibit C
(Environmental Documents), as the same may be amended in accordance with this
Lease from time to time; all of which are attached hereto and incorporated
herein by this reference.

         1.9 Lease Term: "Lease Term" shall be for a period of time commencing
on the Commencement Date and ending on the last day of the one hundred twentieth
(120th) full calendar month succeeding the Commencement Date, subject to
extension pursuant to Paragraph 2.2.

         1.10 Leasehold Improvements: "Leasehold Improvements" means all
improvements, additions, alterations, and fixtures (other than Trade Fixtures)
installed in the Premises by Tenant, at its expense, after the completion of the
Tenant Improvements.

         1.11 Lender: "Lender" means (i) any beneficiary, mortgagee, secured
party, or other holder of any deed of trust, mortgage or other written security
device or agreement affecting the Premises, and the note or other obligations
secured by it, and (ii) the lessor (including, without limitation, the Ground
Lessor) under any underlying ground lease (including, without limitation, the
Ground Lease) under which Landlord holds an interest in the Premises.

         1.12 Monthly Rent: "Monthly Rent" means the monthly rent payable by
Tenant pursuant to Paragraph 3.1.

         1.13 Other Areas: "Other Areas" means all areas and facilities within
the Premises, other than the Building (including the parking areas, driveways,
pedestrian sidewalk, landscaped areas, trash enclosures, and the like).

         1.14 Permitted Use: "Permitted Use" means the use of the Premises for
the development, manufacture, conduct of research pertaining to and marketing of
computer software, and general office use with respect to each of the foregoing
activities, in accordance with applicable laws and Private Restrictions. The
"Permitted Use" may be modified only with the consent of the Landlord, which
consent may not be unreasonably withheld, unless (i) the requested use is
incompatible with the other tenants of the Premises, (ii) involves the use of
Hazardous Materials (as defined in Paragraph 15) or other dangerous materials or
processes, (iii) violates applicable Laws or Private Restrictions, (iv) reduces
the Landlord's financial security in the Lease, or (v) is otherwise unsuitable
in Landlord's reasonable opinion.

         1.15 Premises: "Premises" means that real property with all
improvements now or hereafter located thereon commonly known as 3210 Porter
Drive, Palo Alto, Santa Clara County, California described by the legal
description attached hereto as Exhibit A.


                                      -2-
<PAGE>   8
         1.16 Prepaid Rent: "Prepaid Rent" means the sum of One Hundred
Fifty-Seven Thousand Five Hundred Seventy-Five Dollars ($157,575.00).

         1.17 Private Restrictions: "Private Restrictions" means all covenants,
conditions and restrictions, private agreements, reciprocal easement agreements,
the Ground Lease and any other instruments (herein "encumbrances") affecting the
use of the Premises recorded as of the Effective Date and all encumbrances
recorded after the Effective Date which do not materially interfere with
Tenant's then existing use of the Premises or, alternatively, which are approved
by Tenant, which approval shall not be unreasonably withheld or delayed.

         1.18 Security Deposit: "Security Deposit" means the sum of One Hundred
Fifty-Seven Thousand Five Hundred Seventy-Five Dollars ($157,575.00).

         1.19 Tenant Improvements: are defined in Exhibit B attached hereto and
made a part hereof.

         1.20 Tenant's Minimum Liability Insurance Coverage: "Tenant's Minimum
Liability Insurance Coverage" means a minimum limit of Three Million Dollars
($3,000,000) per occurrence.

         1.21 Trade Fixtures: "Trade Fixtures" means anything affixed to the
Building or Other Areas by Tenant at its expense for purposes of trade,
manufacture, ornament, or domestic use (except replacement of similar work or
material originally installed by Landlord) which can be removed without injury
to the Building or Other Areas unless such thing has, by the manner in which it
is affixed, become an integral part of the Building or Other Areas; provided,
however, that all of Tenant's signs shall be Trade Fixtures regardless of how
affixed to the Building or Other Areas.

2. TERM AND ACCEPTANCE: Landlord hereby leases the Premises to Tenant, and
Tenant leases the Premises from Landlord, for the Lease Term upon the terms and
conditions stated in this Lease.

         2.1 Delivery and Acceptance of Possession: Tenant shall accept
possession and enter into good faith occupancy of the entire Premises in their
then existing condition as of the Commencement Date, "as- is". When the
Commencement Date has been determined pursuant to Paragraph 1.3, Landlord and
Tenant shall promptly confirm the same in writing.

         2.2 Tenant Improvements/Early Entry:

                  2.2.1 Tenant shall construct the Tenant Improvements pursuant
to the terms of the Tenant Improvement Agreement executed concurrently with this
Lease by Landlord and Tenant and attached hereto as Exhibit B.


                                      -3-
<PAGE>   9
                  2.2.2 Tenant and its agents and contractors shall have access
to and may enter upon the Premises at any time and from time to time after the
Effective Date for the purpose of inspecting, surveying, designing, planning and
constructing the Tenant Improvements and installing Trade Fixtures, phone and
telecommunications equipment and other equipment therein. Landlord shall use
diligent efforts to cause its contractor, Earle Construction Company ("Earle"),
to substantially complete, by March 1, 1996, the building improvements described
in the construction contract between Earle and Landlord dated April 18, 1995
(the "Earle Contract"). Any such entry to or construction work on the Premises
by any of the foregoing parties shall (i) be undertaken at Tenant's sole risk
and responsibility, (ii) be coordinated with, and shall in no event interfere
with or delay, any work being conducted on the Premises by or on behalf of
Landlord, including, without limitation, any construction work performed by Earl
Construction Company. During the period from the Effective Date to the
Commencement Date, any entry by Tenant onto the Premises shall be subject to all
of the terms and conditions of this Lease other than the payment of Monthly Rent
and Additional Rent. Without limiting the generality of the foregoing, (i) at
all times during any such entry, Tenant shall maintain all of the insurance
required pursuant to Section 9 of this Lease, and (ii) Tenant shall indemnify,
protect, defend and hold harmless Landlord, Ground Lessor and their agents,
employees, successors and assigns from and against all liabilities, penalties,
losses, damages, costs, expenses, causes of action, claims or judgements
including, without limitation, injury or death to persons or damage or loss to
property, or any delay or interference claims brought by any of Landlord's
contractors performing work in the Premises, arising in whole or in part out of
the exercise by Tenant, its agents or contractors of any early entry rights
granted hereunder. This Lease shall commence on the Commencement Date regardless
of the construction status of any improvements to the Premises completed or to
be completed by or on behalf of either Landlord or Tenant.

         2.3 Options to Extend Lease Term: Landlord grants to Tenant two (2)
separate options to extend the Lease Term. The first option shall extend the
Lease Term for a five (5) year period ("First Option Term") following the end of
the initial Lease Term. The second option shall extend the Lease Term to and
including January 31, 2015 ("Second Option Term") following the end of the First
Option Term. The First Option Term and Second Option Term are collectively
referred to as "Option Terms." The exercise of such options is subject to the
following terms and conditions:

                  2.3.1 Tenant must give Landlord notice in writing by United
States Certified Mail, return receipt requested, of its intention to exercise
the first option on or before Two Hundred Seventy (270) days prior to the date
of expiration of the initial Lease Term. With respect to the second option,
Tenant must provide such notice to Landlord on or before Two Hundred Seventy
(270) days prior to the expiration of the First Option Term.

                  2.3.2 Tenant may not exercise an option at any time that
Tenant is in material default under the Lease or would be in default under this
Lease but for the pendency of any grace or cure period specified in this Lease.


                                      -4-
<PAGE>   10
                  2.3.3 All terms and conditions of this Lease shall apply
during the Option Terms, except that the Monthly Rent for the Option Terms shall
be determined as provided in subparagraph 2.3.4 below.

                  2.3.4 The Monthly Rent for the Option Terms shall be the "fair
market rent for the Premises" for such term as of the commencement of such term
determined pursuant to Subparagraphs 2.3.5 and 2.3.6. For purposes of this
Lease, the term "fair market rent for the Premises" shall mean the projected
going market rent for the Premises as of the commencement of the term of the
option in question, including a provision for periodic increases of such rent
during such term (which increases shall be established as part of such fair
market rent), taking into account the value of all improvements within the
Premises: provided, however, that (a) in no event shall the fair market rent for
the term of the option in question be less than the Monthly Rent payable during
the last year of (i) the initial Lease Term (for the First Option Term), and
(ii) the First Option Term (for the Second Option Term); and (b) in no event
shall the fair market rent in question exceed one hundred ten percent (110%) of
the Monthly Rent payable during the last year of (i) the initial Lease Term (for
the First Option Term), and (ii) the First Option Term (for the Second Option
Term).

                  2.3.5 For a period of thirty (30) days following delivery to
Landlord of Tenant's notice pursuant to Subparagraph 2.3.1 (the "Negotiation
Period"), Landlord and Tenant shall confer to attempt to reach agreement upon
the fair market rent for the Premises for the term of the option in question. If
Landlord and Tenant are unable to reach agreement in writing within the
Negotiation Period, for purposes of establishing the Monthly Rent for the term
of the option in question, then the fair market rent for the Premises for the
term of the option in question shall be established by the appraisal process
described in Subparagraph 2.3.6.

                  2.3.6 The fair market rent for the Premises shall be
determined by three (3) real estate appraisers, all of whom shall be members of
the American Institute of Real Estate Appraisers with not less than five (5)
years experience appraising real property (other than residential or
agricultural property) located in Santa Clara County, California, in accordance
with the following procedures:

                           2.3.6.1 Within ten (10) days after the expiration of
the Negotiation Period, Landlord and Tenant shall each select an appraiser and
notify the other, in writing, of the name, address and qualifications of the
appraiser that each has selected. Failure by either party to select a qualified
appraiser within said ten (10) day period shall be deemed a waiver of such
party's right to select an appraiser on its own behalf and the other party shall
select a second appraiser within five (5) days after the expiration of said ten
(10) day period. Within ten (10) days from the date the two (2) appraisers shall
have been appointed, the two (2) appraisers selected by the parties shall
appoint a third appraiser. If the two (2) appraisers fail to select a third
qualified appraiser, the third appraiser shall be appointed by the then
Presiding Judge of the Superior Court of the State of California for the County
of Santa Clara.


                                      -5-
<PAGE>   11
                           2.3.6.2 The three (3) appraisers so selected shall
meet in Palo Alto, California, not later than forty-five (45) days following the
selection of the third appraiser. At said meeting, the appraisers shall attempt
to determine the fair market rent for the Premises for the term of option in
question.

                           2.3.6.3 If the appraisers are unable to complete
their determinations in one meeting, they may continue to consult at such times
as they deem necessary for a fifteen (15) day period from the date of their
first meeting, in an attempt to have at least two (2) of them agree. If, at the
initial meeting or at any time during said fifteen (15) day period, two (2) or
more of the appraisers agree on the fair market rent for the Premises, such
agreement shall be determinative and binding on the parties hereto, and the
agreeing appraisers shall, in simple letter form executed by the agreeing
appraisers, forthwith notify both Landlord and Tenant of the amount set by such
agreement.

                           2.3.6.4 If two (2) or more appraisers do not agree
within said fifteen (15) day period as set forth above, then each appraiser
shall, within five (5) days after the expiration of said fifteen (15) day
period, submit his/her independent appraisal in simple letter form to Landlord
and Tenant stating his/her determination of the fair market rent for the
Premises for the term of option in question. Landlord and Tenant shall then
determine the fair market rent for the Premises for the term of option by
determining the average of the fair market rent set by each of the appraisers;
provided, however, if the lowest appraisal is less than eighty-five percent
(85%) of the middle appraisal then such lowest appraisal shall be disregarded,
and/or if the highest appraisal is greater than one hundred fifteen percent
(115%) of the middle appraisal then such highest appraisal shall be disregarded.
If any appraisal is disregarded, then the average shall be determined by
computing the average set by the other appraisals that have not been
disregarded. For purposes of determining the relative amount of the appraisals
to implement the provisions of this Subparagraph requiring that an appraisal be
disregarded if it is too high or too low, the amount of an appraisal that calls
for periodic rent increases based upon an index (e.g., the Consumer Price Index)
shall be determined by assuming that such index will increase at the same
average annual rate during the option period in question that such index
increased on an average annual basis during the five (5) year period preceding
the commencement of the option term in question.

                           2.3.6.5 Each party shall bear the fees and expenses
of the appraisers selected by or for it, and the fees and expenses of the third
appraiser shall be borne fifty percent (50%) by Landlord and fifty percent (50%)
by Tenant.




                                      -6-
<PAGE>   12
3.       RENT:

         3.1 Monthly Payments: Commencing on the Commencement Date and
continuing on the first day of each month throughout the Lease Term (excluding
extension options), Tenant shall pay to Landlord monthly rent ("Monthly Rent")
for the Premises as follows:


<TABLE>
<CAPTION>
                       Months               Amount Per Month
                       ------               ----------------
<S>                                         <C>
                         1-12                   $157,575
                        13-24                    162,350
                        25-36                    167,125
                        37-48                    171,900
                        49-60                    176,675
                        61-72                    181,450
                        73-84                    186,225
                        85-96                    191,000
                        97-108                   195,775
                       109-120                   200,550
</TABLE>

         3.2 Additional Rent: Commencing on the Commencement Date and continuing
throughout the Lease Term, Tenant shall pay, as additional rent (the "Additional
Rent"), (i) any late charges or interest due Landlord pursuant to Paragraph 3.4,
(ii) any legal fees and costs due Landlord pursuant to Paragraph 16.10, (iii)
all Real Property Taxes pursuant to Paragraph 8.2, (iv) Landlord=s insurance
costs pursuant to Paragraph 9.3, and (v) any other charges due Landlord pursuant
to this Lease.

         3.3 Payment of Rent: All Monthly Rent and any other amounts required to
be paid in monthly installments shall be paid in advance on the first day of
each calendar month during the Lease Term. All amounts due hereunder shall be
paid in lawful money of the United States, without any abatement, deduction or
offset whatsoever, and without any prior demand therefor (unless otherwise
expressly provided herein), to Landlord at its address stated in Paragraph 16.9
or at such other place as Landlord may designate from time to time. Tenant's
obligation to pay Monthly Rent shall be prorated for any partial month based on
a thirty (30) day month.

         3.4 Late Charge and Interest on Rent in Default: Tenant acknowledges
that the late payment by Tenant of any monthly installment of Monthly Rent or
any Additional Rent will cause Landlord to incur certain costs and expenses not
contemplated under this Lease, the exact amount of which are extremely difficult
or impractical to fix. Such costs and expenses will include, without limitation,
administration and collection costs and processing and accounting expenses.
Therefore, if any such Monthly or Additional Rent is not received by Landlord
from Tenant within seven (7) days after Landlord has provided written notice to
tenant of the overdue amount, Tenant shall immediately pay to Landlord a late
charge equal to five percent (5%) of such delinquent rent. Landlord and




                                      -7-
<PAGE>   13
Tenant agree that this late charge represents a reasonable estimate of such
costs and expenses and is fair compensation to Landlord for its loss suffered by
Tenant's failure to make timely payment. In no event shall this provision for a
late charge be deemed to grant to Tenant a grace period or extension of time
within which to pay any rent or prevent Landlord from exercising any right or
remedy available to Landlord upon Tenant's failure to pay any rent due under
this Lease in a timely fashion, including the right to terminate this Lease. If
any amount due hereunder is not paid on or before the thirtieth (30th) day
following the due date, then, without prejudice to any of Landlord's other
rights and remedies and in addition to such late charge, Tenant shall pay to
Landlord interest on the delinquent amount (but not any late charge imposed on
such amount) at the Agreed Interest Rate from the date such amount became due
until paid; provided however, that if Tenant fails to pay any amount due
hereunder in a timely fashion more than twice during any twelve (12) month
period of the Lease Term, then interest on all late payments by Tenant
thereafter shall begin to accrue on the tenth (10th) day, rather than the
thirtieth (30th) day, following the due date of any such late payment.

         3.5 Prepayment of Rent: Concurrent with the execution of this Lease by
both parties, Tenant shall pay to Landlord the amount set forth in Paragraph
1.16 as prepayment of rent for credit against the first installment(s) of
Monthly Rent due hereunder.

         3.6 Security Deposit: Concurrent with the execution of this Lease by
both parties, Tenant shall deposit with Landlord the Security Deposit (as
described in Paragraph 1.18) as security for the performance by Tenant of all of
its obligations hereunder, and not as prepayment of rent. At all times after the
Commencement Date, Tenant shall ensure that the amount held by Landlord as a
Security Deposit is equal to the amount of the Security Deposit specified in
Paragraph 1.18. Without prejudice to any other remedies Landlord may have under
this Lease, Landlord may apply such portion or portions of the Security Deposit
as are reasonably necessary for the following purposes: (i) to remedy any
default by Tenant in the payment of Monthly Rent or Additional Rent; (ii) to
repair damage to the Premises caused by Tenant; (iii) to clean the Premises upon
termination of the Lease; and (iv) to the extent permitted by law, to remedy any
other default of Tenant and, in this regard, Tenant hereby waives any
restriction on the uses to which the Security Deposit may be put contained in
Section 1950.7 of the California Civil Code. If the Security Deposit or any
portion thereof is so used, then Tenant shall pay to Landlord promptly upon
demand an amount in cash sufficient to restore the Security Deposit to the full
original sum. Landlord shall not be deemed a trustee of the Security Deposit.
Landlord may use the Security Deposit in Landlord's ordinary business and shall
not be required to segregate it from its general accounts. Tenant shall not be
entitled to any interest on the Security Deposit. If Landlord transfers the
Premises during the Lease Term, then Landlord shall pay the Security Deposit to
any subsequent owner in conformity with the provisions of Section 1950.7 of the
California Civil Code and/or any successor statute, in which event the
transferring Landlord will be released from all liability for the return of the
Security Deposit.


                                      -8-
<PAGE>   14
4.       USE OF PREMISES:

         4.1 Limitation on Type: Tenant shall use the Premises solely for the
Permitted Use (as described in Paragraph 1.14). Tenant shall not do or permit
anything to be done in or about the Premises which will (i) cause structural
injury to the Premises, or (ii) cause damage to any part of the Premises except
to the extent reasonably necessary for the installation of Tenant's equipment
and trade fixtures, or (iii) violate, or cause Landlord to be in violation of
any Laws or Private Restrictions. Tenant shall not operate any equipment within
the Premises which will (i) injure, vibrate or shake the Building, (ii) overload
existing electrical systems or other mechanical equipment servicing the
Building, or (iii) impair the efficient operation of the sprinkler system or the
heating, ventilating or air conditioning ("HVAC") equipment within or servicing
the Building, or (iv) damage, overload, or corrode the sanitary sewer system.
Tenant shall not attach, hang or suspend anything from the ceiling, roof, walls
or columns of the Building or set any load on the floor in excess of approved
structural limits as reasonably defined by Landlord's architect. Any dust,
fumes, or waste products generated by Tenant's use of the Premises shall be
contained and disposed so that they do not (i) create a fire or health hazard,
(ii) damage the Premises, or (iii) violate any Environmental Laws (as defined in
subparagraph 15.2.1.1). Tenant shall not change the exterior of the Building or
install any equipment or antennas on or make any penetrations of the exterior or
roof of the Building. Tenant shall not commit nor permit to be committed any
waste in or about the Premises, and Tenant shall keep the Premises in a neat,
clean, attractive and orderly condition, free of any Hazardous Materials, and
any objectionable noises, odors, dust or nuisances.

         4.2 Compliance with Laws and Private Restrictions: Tenant's lease of
the Premises shall be subject to (i) all Laws, and (ii) all Private Restrictions
(including, without limitation, the Ground Lease), easements and other matters
of public record. Tenant shall not use or permit any person to use the Premises
in any manner which violates any Laws or Private Restrictions. Tenant shall
abide by and promptly observe and comply with all Laws and Private Restrictions
and shall protect, defend (with counsel reasonably acceptable to Landlord),
indemnify and hold Landlord harmless from any liability resulting from Tenant's
failure so to do.

         4.3 Insurance Requirements: Tenant shall not use or permit any person
to use the Premises in any manner which will cause the existing rate of
insurance upon the Premises, or any of its contents, to be increased (unless
Tenant pays the increase upon demand) or cause a cancellation of any insurance
policy covering the Premises. Tenant shall not sell, or permit to be kept, used,
or sold in or about the Premises any article which may be prohibited by the
standard form of fire insurance policy. Tenant shall comply with all
requirements of any insurance company, insurance underwriter, or Board of Fire
Underwriters which are necessary to maintain, at standard rates, the insurance
coverage carried by either Landlord or Tenant pursuant to this Lease.

         4.4 Other Areas: No materials, supplies, tanks or containers,
equipment, finished products or semi-finished products, raw materials,
inoperable vehicles or articles of any nature shall be stored



                                      -9-
<PAGE>   15
upon or permitted to remain outside of the Premises except in fully fenced and
screened areas outside the Premises, which have been designed for such purpose
and have been designated by Landlord for such use by Tenant.

         4.5 Signs: Tenant shall not place on any portion of the Premises any
sign, placard, lettering in or on windows, banners, displays or other
advertising or communicative material which is visible from the exterior of the
Premises without the prior written approval of Landlord. All such approved signs
shall strictly conform to all Laws and Private Restrictions, including, without
limitation, all Ground Lease requirements, and shall be installed at the expense
of Tenant. If Landlord so elects, Tenant shall, at the expiration or sooner
termination of this Lease, remove all signs installed by it and repair any
damage caused by such removal. Tenant shall at all times maintain such signs in
good condition and repair.

         4.6 Intentionally Omitted.

         4.7 Parking: The Premises shall include not less than three hundred two
(302) parking spaces. Tenant shall not park or permit the parking of its
vehicles or the vehicles of others in any portion of the Premises not designated
by Landlord as Tenant's parking area. If Landlord is required by any Law to
limit or control parking within the Premises, whether by validation of parking
tickets or any other method of assessment, Tenant agrees to participate in such
validation or assessment program under such reasonable rules and regulations as
are from time to time established by Landlord.

         4.8 Intentionally Omitted.

         4.9 Auctions: Tenant shall not conduct or permit to be conducted on any
portion of the Premises any sale of any kind, including (i) any public or
private auction, fire sale, going-out-of-business sale, distress sale, or other
liquidation sale, or (ii) any so-called "flea market," open-air market, or any
other similar activity.

5.       TRADE FIXTURES AND LEASEHOLD IMPROVEMENTS:OVEMENTS

         5.1 Trade Fixtures: Throughout the Lease Term, Tenant shall provide,
install, and maintain in good condition all Trade Fixtures required in the
conduct of its business in the Building. All Trade Fixtures shall remain
Tenant's property.

         5.2 Leasehold Improvements: Tenant shall not construct any Leasehold
Improvements or otherwise alter the Building or Other Areas without Landlord's
and Ground Lessor's (to the extent required under the Ground Lease) prior
written approval and not until Landlord and Ground Lessor shall have first
approved the plans and specifications therefor, which approval shall not be
unreasonably withheld. Notwithstanding the foregoing, Landlord's and Ground
Lessor's (but only if



                                      -10-
<PAGE>   16
such approval is not required under the Group Lease) prior written approval
shall not be required for any interior, non-structural Leasehold Improvements
which do not exceed Twenty-Five Thousand Dollars ($25,000) in any one instance;
provided, however, that Tenant shall comply with all other terms and conditions
set forth in this Paragraph 5.2 in connection with the construction of such
improvements. In no event shall Tenant make any alterations to the Building
which could affect the structural integrity or the exterior design of the
Building. All such approved Leasehold Improvements shall be installed by Tenant
at Tenant's expense using a licensed contractor first reasonably approved by
Landlord in substantial compliance with the approved plans and specifications
therefor. All construction undertaken by Tenant shall be done in accordance with
all Laws and in a good and workmanlike manner using new materials of good
quality. Tenant shall not commence construction of any Leasehold Improvements
until (i) all required governmental approvals and permits shall have been
obtained and copies of same have been provided to the Landlord, (ii) all
requirements regarding insurance imposed by this Lease have been satisfied,
(iii) Tenant shall have given Landlord and Ground Lessor at least thirty (30)
days prior written notice of its intention to commence such construction, (iv)
Tenant shall have notified Landlord by telephone of the commencement of
construction on the day it commences, and (v) if requested by Landlord or Ground
Lessor in their reasonable discretion, Tenant shall have obtained contingent
liability and broad form builders risk insurance and/or completion and
performance bonds in an amount reasonably satisfactory to Landlord or Ground
Lessor. All Leasehold Improvements shall remain the property of Tenant during
the Lease Term, but shall not be damaged, altered, or removed from the Premises.
At the expiration or sooner termination of the Lease Term, all Leasehold
Improvements shall be surrendered to Landlord as a part of the realty and shall
then become Landlord's property, and Landlord shall have no obligation to
reimburse Tenant for all or any portion of the value or cost thereof; provided,
however, that if requested by Landlord, Tenant shall remove such Leasehold
Improvements in accordance with the provisions of Paragraph 16.2. Upon request,
Landlord shall advise Tenant in writing whether Landlord reserves the right to
require Tenant to remove any Leasehold Improvement upon expiration or sooner
termination of this Lease.

         5.3 Alterations Required by Law: Tenant shall, in accordance with
Paragraph 5.2, make any alteration, addition or change of any sort, whether
structural or otherwise, to the Premises that is required by any Law, whether or
not such alteration, addition or change is due to Tenant's particular use of the
Premises.

         5.4 Liens: Tenant shall keep the Premises free from any liens and shall
pay when due all bills arising out of any work performed, materials furnished,
or obligations incurred by Tenant or any of Tenant's agents, employees,
contractors, assignees, subtenants or invitees (collectively, "Tenant's
Agents"), relating to the Premises. If any claim of lien is recorded, Tenant
shall bond against or discharge the same within twenty (20) days after notice
that the same has been recorded against the Premises. Should any lien be filed
against the Premises or any action commenced affecting title to the Premises,
the party receiving notice of such lien or action shall immediately give the
other party written notice thereof.



                                      -11-
<PAGE>   17
6.       REPAIR AND MAINTENANCE:

         6.1 Tenant's Obligation to Maintain: Except as otherwise provided in
Paragraph 6.2 and Section 11 (restoration of damage caused by fire and other
perils) Tenant shall, at all times during the Lease Term, regularly inspect,
service, clean, keep, and maintain in good order, condition, and repair the
Premises, and every part thereof. Tenant's obligations shall include, without
limitation, (i) all plumbing and sewage facilities (including all sinks,
toilets, faucets and drains), and all ducts, pipes, vents, or other parts of the
HVAC or plumbing system, (ii) all fixtures, interior walls, floors, carpets and
ceilings, (iii) all windows, doors, entrances, showcases, and skylights
(including cleaning both interior and exterior surfaces), (iv) all electrical
facilities and equipment (including all lighting fixtures, lamps, bulbs, tubes,
fans, vents, exhaust equipment and systems), (v) any automatic fire extinguisher
equipment in the Premises, (vi) the roof membrane (including any necessary
resurfacing or patching to preserve the membrane or to repair leaks) and
exterior finishes of the Building, and (vii) to all areas outside the Building,
including, without limitation, landscaping, driveways, parking areas, fencing,
retaining walls, signs and sidewalks. With respect to utility facilities serving
the Premises (including electrical wiring and conduits, gas lines, water pipes,
and plumbing and sewage fixtures and pipes), Tenant shall be responsible for the
maintenance and repair of any such facilities which serve the Premises,
including all such facilities that are within or outside the walls, floor, or on
the roof of the Building. All repairs and replacements required of Tenant shall
be promptly made with new materials of like kind and quality. If the work
affects the structural parts of the Premises or if the estimated cost of any
item of repair or replacement is in excess of Twenty-Five Thousand Dollars
($25,000), then Tenant shall first obtain Landlord's written approval of the
scope of work, plans therefor, materials to be used, and the contractor. After
March 31, 1997, at Tenant's request, Landlord shall assign (if assignable) to
tenant any construction and equipment warranties with respect to the Premises
obtained by Landlord pursuant to the Earle Contract. Any such assignment shall
automatically terminate upon the expiration or sooner termination of this Lease.
Tenant acknowledges that Landlord has made no representations regarding the
assignability, adequacy or enforceability of any such warranties.

         6.2 Landlord's Obligation to Maintain: Landlord shall repair and
maintain the structural parts of the Building (i.e., foundation, load-bearing
walls and structural roof system, but excluding the roof membrane) in good
condition and repair, except to the extent that the same is necessitated by the
wrongful or negligent act or omission of Tenant or any of Tenant's Agents. It is
an express condition precedent to all obligations of Landlord to repair and
maintain the structural parts of the Building that Tenant shall have notified
Landlord of the need for such repairs and maintenance. Landlord shall have no
responsibility to repair any latent defects in the Building or Property (i)
except for latent defects in the structural parts of the Building (as defined
above), or (ii) caused in whole or in part by any wrongful or negligent act or
omission of Tenant or any of Tenant's Agents. Except as provided in Section 11,
there shall be no abatement of rent or liability of Landlord on account of any
injury or interference with Tenant's business with respect to any improvements,
alterations or repairs made by Landlord or its agents to the Property or any
part thereof. Landlord shall not be responsible for

                                      -12-
<PAGE>   18
repairs required by an accident, fire or other peril except as otherwise
required by Section 11, or for damage caused to any part of the Property by any
act, negligence or omission of Tenant or any of Tenant's Agents. Tenant hereby
waives the benefits of any statute which would afford Tenant the right to make
repairs at Landlord's expense or to terminate this Lease because of Lessor's
failure to keep the Premises in good order, condition and repair.

         6.3 Control of Other Areas: Landlord shall at all times have control of
the Other Areas. Landlord shall have the right, without the same constituting an
actual or constructive eviction and without entitling Tenant to any abatement of
rent, to: (i) close any part of the Other Areas to whatever extent required in
the reasonable opinion of Landlord's counsel to prevent a dedication thereof or
the accrual of any prescriptive rights therein; or (ii) perform Landlord's
Remedial Work. Tenant shall keep the Other Areas free and clear of all
obstructions created or permitted by Tenant. Nothing herein shall affect the
right of Landlord at any time to remove such unauthorized person from the Other
Areas nor to prohibit the use of the Other Areas by unauthorized persons. In
exercising any such rights regarding the Other Areas, Landlord shall make a
reasonable effort to minimize any disruption to Tenant's business.

         6.4 Tenant's Negligence: Tenant shall pay for all damage to the
Premises or the Premises caused by the negligent act or omission of Tenant, its
employees, contractors, or invitees or by the failure of Tenant to discharge
promptly its obligations under this Lease or comply with the terms of this
Lease.

7.       UTILITIES:

         7.1 Utilities: Tenant shall promptly pay, as the same become due, all
charges for water, gas, electricity, telephone, sewer service, waste pick-up,
and any other utilities, materials or services furnished directly to or used by
Tenant on or about the Premises during the Lease Term, including, without
limitation, (i) meter, use and/or connection fees, hook-up fees, standby fees,
and (ii) penalties for discontinued or interrupted service.

         7.2 Compliance with Governmental Regulations: Landlord and Tenant shall
comply with all rules, regulations and requirements promulgated by national,
state or local governmental agencies or utility suppliers concerning the use of
utility services, including any rationing, limitation or other control. Landlord
may voluntarily cooperate in a reasonable manner with the efforts of all
governmental agencies or utility suppliers in reducing energy or other resources
consumption. Tenant shall not be entitled to terminate this Lease nor to any
abatement in rent by reason of such compliance or cooperation. Tenant shall be
entitled to an abatement of rent to the extent that Landlord's voluntary
cooperation with local rules and regulations materially interferes with Tenant's
use of the Premises for more than five (5) consecutive days. Tenant agrees at
all times to cooperate fully with Landlord and to abide by all reasonable rules,
regulations and requirements which Landlord may prescribe in order to maximize
the efficient operation of the HVAC system and all other utility systems.

                                      -13-
<PAGE>   19
8.       REAL PROPERTY TAXES:TY TAXES

         8.1 Real Property Taxes Defined: "Real Property Taxes" as used herein
means (i) all taxes, assessments, levies, and other charges of any kind or
nature whatsoever, general and special, foreseen and unforeseen (including all
installments of principal and interest required to pay any existing or future
general or special assessments for public improvements, services, or benefits
and any increases resulting from reassessments or resulting from a change in
ownership or any other cause), now or hereafter imposed by any governmental or
quasi-governmental authority or special district having the direct or indirect
power to tax or levy assessments, which are levied or assessed against, or with
respect to the value, occupancy or use of, all or any portion of the Premises
(as now constructed or as may at any time hereafter be constructed, altered, or
otherwise changed) or Landlord's interest therein, the fixtures, equipment and
other property of Landlord, real or personal, that are an integral part of and
located on the Premises, the gross receipts, income, or rentals from the
Premises, or the use of parking areas, public utilities, or energy within the
Premises, (ii) all charges, levies or fees imposed by reason of environmental
regulation or other governmental control of the Premises (excluding charges
related to the Existing Hazardous Materials which have been imposed through no
fault of Tenant), and (iii) all costs and fees (including attorneys' fees)
incurred by Landlord in contesting any Real Property Tax and in negotiating with
public authorities as to any Real Property Tax. If at any time during the Lease
Term the method of taxation or assessment of the Premises prevailing as of the
Effective Date shall be altered so that in lieu of or in addition to any Real
Property Tax described above there shall be levied, assessed or imposed (whether
by reason of a change in the method of taxation or assessment, creation of a new
tax or charge, or any other cause) an alternate or additional tax or charge (i)
on the value, use or occupancy of the Premises or Landlord's interest therein,
or (ii) on or measured by the gross receipts, income, or rentals from the
Premises, on Landlord's business of leasing the Premises, or computed in any
manner with respect to the operation of the Premises, then any such tax or
charge, however designated, shall be included within the meaning of the term
"Real Property Taxes" for purposes of this Lease. If any Real Property Tax is
based upon property or rents unrelated to the Premises, then only that part of
such Real Property Tax that is fairly allocable to the Premises shall be
included within the meaning of the term "Real Property Taxes." Notwithstanding
the foregoing, the term "Real Property Taxes" shall not include estate,
inheritance, transfer, gift or franchise taxes of Landlord or the federal or
state income tax imposed on Landlord's income from all sources. To Landlord's
current actual knowledge (with no duty of inquiry) there are no pending or
proposed special assessments with respect to the Property.

         8.2 Tenant's Obligation to Reimburse: As Additional Rent, Tenant shall
pay all Real Property Taxes which become due during the Lease Term. Tenant shall
pay such Real Property Taxes to Landlord within ten (10) days of written demand
therefor by Landlord. If any assessments are levied against the Premises,
Landlord may elect either to pay the assessment in full or allow the assessment
to go to bond. If Landlord pays the assessment in full, only that amount which
would have been payable (both principal and interest) had Landlord allowed the
assessment to go to bond shall be included in the annual amount of Real Property
Taxes payable hereunder. Notwithstanding

                                      -14-
<PAGE>   20
anything to the contrary contained in this Lease, if Landlord fails to pay any
Real Property Taxes prior to the foreclosure of any tax lien within ten (10)
days after it has received notice of same from Tenant, then Tenant may make such
payment on Landlord's behalf and offset the amount of any such payment against
any Additional Rent due hereunder.

         8.3 Taxes on Tenant's Property: Tenant shall pay before delinquency any
and all taxes, assessments, license fees, and public charges levied, assessed,
or imposed against Tenant or Tenant's estate in this Lease or the property of
Tenant situated within the Premises which become due during the Lease Term. On
demand by Landlord, Tenant shall furnish Landlord with satisfactory evidence of
these payments.

         8.4 Tenant's Right to Contest: Tenant may, by appropriate proceedings,
protest or contest any assessment, reassessment or allocation of Real Property
Taxes. In the contest or proceedings, Tenant may act in its own name and, in the
name of Landlord if Landlord consents in writing (which Landlord agrees not to
unreasonably withhold), and Landlord will, at Tenant's request and sole expense,
cooperate with Tenant in any way Tenant may reasonably require in connection
with such contest. If Tenant does not pay the Real Property Taxes when due which
are the subject of such protest or contest, Tenant shall post a bond in lieu
thereof in an amount reasonably determined by Landlord (but not less than one
hundred twenty-five percent (125%) of the amount demanded by the taxing
authorities) which holds Landlord and the Premises harmless from any damage
arising out of the contest and ensuring the payment of any judgment that may be
rendered and, with respect to any contest of Real Property Taxes, shall hold
Landlord and the Premises harmless from and against any claims, causes of
action, damages, losses, costs, expenses (including, without limitation,
reasonable attorneys' fees and costs) or liability arising out of the
proceedings or contest and shall pay any judgment that may be rendered for which
Tenant would otherwise be liable under this Lease without such contest or
protest. Notwithstanding anything to the contrary herein, Tenant shall pay any
Real Property Taxes prior to the foreclosure of any tax lien. Any contest
conducted by Tenant under this Paragraph 8.4 shall be at Tenant's sole expense,
and (i) if interest or late charges become payable as a result of such contest
or protest, Tenant shall promptly pay the same, and (ii) Tenant shall receive
any refunds made in connection with any Real Property Taxes previously paid by
Tenant.

9.       INSURANCE:

         9.1 Tenant's Insurance: Tenant shall maintain insurance complying with
all of the following:

             9.1.1 Tenant shall procure, pay for and keep in full force and
effect the following:

                   9.1.1.1 Commercial general liability insurance, including
property damage, against liability for personal injury, bodily injury, death and
damage to property occurring in or about, or resulting from an occurrence in or
about, the Premises with combined single limit coverage of not

                                      -15-
<PAGE>   21
less than the amount of Tenant's Minimum Liability Insurance Coverage set forth
in Paragraph 1.20, which insurance shall contain "fire legal" endorsement
coverage and a "contractual liability" endorsement insuring Tenant's performance
of Tenant's obligation to indemnify Landlord contained in Paragraph 10.3;

                   9.1.1.2 Plate-Glass Insurance at actual replacement cost;

                   9.1.1.3 Fire and property damage insurance against loss
caused by fire, extended coverage perils including steam boiler insurance,
sprinkler leakage, if applicable, vandalism, malicious mischief and such other
additional perils as now are or hereafter may be included in a standard extended
coverage endorsement from time to time in general use in the county in which the
Premises is located, insuring Tenant's personal property, inventory, Trade
Fixtures, and Leasehold Improvements within the Building or located on the Other
Areas for the full actual replacement cost thereof;

                   9.1.1.4 Worker's compensation coverage and any other employee
benefit insurance sufficient to comply with all Laws;

                   9.1.1.5 With respect to construction of any Leasehold
Improvements undertaken by Tenant, upon reasonable demand by Landlord based on
such factors as the size and risk of the work, contingent liability and broad
form builder's risk insurance, in an amount, if any, necessary to protect
Landlord;

                   9.1.1.6 During the construction of the Tenant Improvements,
course of construction insurance providing coverage in so called "all-risk" form
for the completed value of the Tenant Improvements; and

                   9.1.1.7 Such other insurance that is required by any Lender;
provided, however, that such insurance shall not exceed that which is normally
required by landlords engaged in leasing comparable premises located in the
vicinity of the Premises under comparable terms and conditions.

             9.1.2 Each policy of insurance required to be carried by Tenant
pursuant to this Paragraph (i) shall name Landlord, Ground Lessor and such other
parties in interest as Landlord designates as additional insureds, provided,
however, that such parties shall be added as named insureds on the commercial
general liability insurance policy required pursuant to subparagraph 9.1.1.1,
(ii) shall be primary insurance which provides that the insurer shall be liable
for the full amount of the loss up to and including the total amount of
liability stated in the declarations without the right of contribution from any
other insurance coverage of Landlord, (iii) shall be in a form satisfactory to
Landlord, (iv) shall be carried with companies having a Best rating of at least
A VII, (v) shall provide that such policy shall not be subject to cancellation,
lapse or change except after at least thirty (30)

                                      -16-
<PAGE>   22
days prior written notice to Landlord, (vi) shall not have a "deductible" in
excess of Twenty-Five Thousand Dollars ($25,000) per occurrence, (vii) shall
contain a cross liability endorsement, and (viii) shall contain a "severability"
clause.

             9.1.3 A copy of each paid-up policy evidencing the insurance
required to be carried by Tenant pursuant to this Paragraph (appropriately
authenticated by the insurer) or a certificate of the insurer, certifying that
such policy has been issued, providing the coverage required by this Paragraph,
and containing the provisions specified herein, shall be delivered to Landlord
prior to the time Tenant or any of its contractors enters the Premises and upon
renewal of such policies, but not less than thirty (30) days prior to the
expiration of the term of such coverage. Landlord may, at any time, and from
time to time, inspect and/or copy any and all insurance policies required to be
procured by Tenant pursuant to this Paragraph. If Landlord's lender or insurance
adviser reasonably determines at any time that the amount of coverage required
for any policy of insurance Tenant is to obtain pursuant to this Paragraph is
not adequate, then Tenant shall increase such coverage for such insurance to
such amount as Landlord's lender or insurance adviser reasonably deems adequate,
not to exceed the level of coverage commonly required by prudent landlords of
comparable buildings in the vicinity.

         9.2 Landlord's Insurance: Landlord shall maintain at least the
following insurance:

             9.2.1 Landlord shall maintain a policy or policies of fire and
property damage insurance in so-called "fire and extended coverage" form
insuring Landlord (and such others as Landlord may designate) against loss of
rents for a period of not less than six (6) months and from physical damage to
the Premises with coverage at such level as Landlord shall select, but not less
than ninety percent (90%) of the full replacement cost thereof. Such fire and
property damage insurance, at Landlord's election, (i) may be written in
so-called "all risk" form to include such perils as are commonly covered by such
form of coverage, (ii) may provide coverage for physical damage to the
improvements so insured up to the then full replacement cost thereof, (iii) may
be endorsed to cover loss caused by such additional perils against which
Landlord may elect to insure, including earthquake and/or flood, and (iv) may
provide coverage for loss of rents for a period of up to twelve (12) months.
Landlord shall not be required to cause such insurance to cover any Trade
Fixtures, Leasehold Improvements, or any inventory or other personal property of
Tenant.

             9.2.2 Intentionally Omitted.

             9.2.3 Upon demand, Landlord shall provide Tenant with reasonable
evidence of the existence of insurance required of Landlord hereunder.

         9.3 Tenant's Obligation to Reimburse: As Additional Rent, Tenant shall
pay to Landlord the cost of the insurance carried by Landlord within ten (10)
days of written demand therefor by Landlord.

                                      -17-
<PAGE>   23
         9.4 Release and Waiver of Subrogation: The parties hereto release each
other, their respective agents, and employees, from any liability for injury to
any person or damage to property that is caused by or results from any risk
insured against under any valid and collectible insurance policy carried by
either of the parties which contains a waiver of subrogation by the insurer and
is in force at the time of such injury or damage; provided, however, that any
such person or entity shall not be released from such liability to the extent
any damages resulting from such injury or damage is not covered by the recovery
obtained by the insured from such insurance, but only if the insurance in
question permits such partial release in connection with obtaining a waiver of
subrogation from the insurer. This release shall be in effect only so long as
the applicable insurance policy contains a clause to the effect that this
release shall not affect the right of the insured to recover under such policy.
Each party shall use its best efforts to cause each insurance policy obtained by
it to provide that the insurer waives all right of recovery by way of
subrogation against the other party and its agents and employees in connection
with any injury or damage covered by such policy. However, if any insurance
policy cannot be obtained with such a waiver of subrogation, or if such waiver
of subrogation is only available at additional cost and the party for whose
benefit the waiver is to be obtained does not pay such additional cost, then the
party obtaining such insurance shall notify the other party of that fact and
thereupon shall be relieved of the obligation to obtain such waiver of
subrogation rights from the insurer with respect to the particular insurance
involved.

10.      LIMITATION ON LANDLORD'S LIABILITY AND INDEMNITY:

         10.1 Limitation on Landlord's Liability: Except to the extent of its
active negligence or willful misconduct, Landlord shall not be liable to Tenant,
nor shall Tenant be entitled to terminate this Lease or to any abatement of
rent, for any injury to Tenant or any of Tenant's Agents, damage to Tenant's
property, or loss to Tenant's business resulting from any cause, including,
without limitation, any (i) failure, interruption or installation of any HVAC or
other utility system or service, (ii) repairs or improvements to the Premises,
(iii) limitation, curtailment, rationing or restriction on the use of water or
electricity, gas or any other form of energy or any services or utility serving
the Premises, (iv) vandalism or forcible entry by unauthorized persons, or (v)
penetration of water into or onto any portion of the Premises through roof leaks
or otherwise.

         10.2 Limitation on Tenant's Recourse: Except as otherwise provided in
Subparagraph 15.3.4, and notwithstanding any other term or provision of this
Lease, the liability of Landlord for its obligations under this Lease is limited
solely and exclusively to Landlord's interest in the Premises as the same may
from time to time be encumbered; provided, however, that (i) in no event shall
personal liability at any time be asserted or enforceable against any other
assets of Landlord or against Landlord's stockholders, officers, directors,
principals, representatives or partners on account of any of Landlord's
obligations or actions under this Lease, and (ii) in no event shall Landlord
engage in any financing secured in whole or in part by the Property which would
cause more than eighty percent (80%) of the then-current fair market value of
Landlord's ground leasehold interest in the Premises to be encumbered. Except
for Landlord's Indemnity Obligations under Subparagraph 15.3.3, if Landlord

                                      -18-
<PAGE>   24
conveys its interest in the Premises under the Ground Lease, then from and after
the date of such conveyance, Landlord shall be relieved of all liability with
respect to Landlord's obligations to be performed under this Lease after the
date of such conveyance. Upon any such conveyance by Landlord, the grantee or
transferee, by accepting such conveyance, shall be deemed to have assumed
Landlord's obligations to be performed under this Lease from and after the date
of such transfer.

         10.3 Indemnification of Landlord: In addition to any other indemnity
obligations of Tenant stated in this Lease, Tenant shall hold harmless, protect,
indemnify and defend Landlord, Ground Lessor, and their employees, agents,
contractors, successors and assigns, with competent counsel reasonably
satisfactory to Landlord, from and against all liabilities, penalties, losses,
damages, costs, expenses, causes of action, claims and/or judgments arising in
whole or in part out of (a) any breach of this Lease by Tenant, or (b) by reason
of any death, bodily injury, personal injury or property damage (i) resulting
from any cause or causes whatsoever (other than the active negligence or willful
misconduct of Landlord) occurring in or about or resulting from an occurrence in
or about the Premises, or (ii) resulting from the negligence or willful
misconduct of Tenant or any of Tenant's Agents, wherever the same may occur. The
provisions of this Paragraph shall survive the expiration or sooner termination
of this Lease with respect to any claims or liability occurring prior to such
expiration or sooner termination.

11.      DAMAGE TO PREMISES:

         11.1 Landlord's Duty to Restore: If the Premises are damaged by any
peril after the Effective Date of this Lease, Landlord shall restore the
Premises unless the Lease is terminated by Landlord pursuant to Paragraph 11.2
or by Tenant pursuant to Paragraph 11.3. All insurance proceeds available from
the fire and property damage insurance carried by Landlord pursuant to Paragraph
9.2 shall be paid to and become the property of Landlord. If this Lease is
terminated pursuant to either Paragraphs 11.2 or 11.3, then all insurance
proceeds available from insurance carried by Tenant which covers loss to
property that is Landlord's property or would become Landlord's property on
termination of this Lease shall be paid to and become the property of Landlord.
If this Lease is not so terminated, then upon receipt of the insurance proceeds
(if the loss is covered by insurance) and the issuance of all necessary
governmental permits, Landlord shall use reasonable efforts to commence and
complete the restoration of the Premises, to the extent then allowed by Law, to
substantially the same condition in which the Premises were immediately prior to
such damage; provided, however, that in no event shall Landlord have any
obligation to repair or replace the Building or the Other Areas beyond the
extent of the insurance proceeds received by Landlord for the repair or
restoration thereof. Landlord's obligation to restore shall be further limited
to the Premises, including the Tenant Improvements, constructed by Landlord as
they existed as of the Commencement Date, excluding any Leasehold Improvements,
Trade Fixtures and/or personal property constructed or installed by Tenant in
the Premises. If this Lease is not terminated pursuant to Paragraph 11.2 or
11.3, then Tenant shall forthwith commence and thereafter prosecute to
completion the replacement and repair of all Leasehold Improvements and Trade
Fixtures, if any,

                                      -19-
<PAGE>   25
installed by Tenant, existing at the time of such damage or destruction, and
which were to have been surrendered to Landlord hereunder; and all insurance
proceeds received by Tenant from the insurance carried by it pursuant to
Subparagraph 9.1.1.3 shall be used for such purpose.

         11.2 Landlord's Right to Terminate: Landlord shall have the option to
terminate this Lease in the event any of the following occurs, which option may
be exercised only by delivery to Tenant of a written notice of election to
terminate within ninety (90) days after the date of such damage or such later
date as is reasonably necessary under the circumstances:

              11.2.1 The Building or Other Areas are damaged by any peril either
(i) covered by the type of insurance Landlord is required to carry pursuant to
Paragraph 9.2 or (ii) covered by valid and collectible insurance actually
carried by Landlord and in force at the time of such damage or destruction, to
such an extent that the estimated cost to restore equals or exceeds sixty-six
and two-thirds percent (66-2/3%) of the then actual replacement cost thereof;

              11.2.2 The Building or Other Areas are damaged by any peril and
the cost to restore the Premises less the amount of valid and collectible
insurance actually carried by Landlord and in force at the time of such damage
or destruction equals or exceeds five percent (5%) of the then actual
replacement cost thereof; provided, however, that Landlord may not terminate
this Lease pursuant to this Subparagraph 11.2.2 if Tenant (a) agrees in writing
to pay the amount by which the actual restoration costs exceed five percent (5%)
of the replacement cost of the Building and (b) unconditionally pays to Landlord
an amount equal to one hundred ten percent (110%) of Landlord's estimate of said
restoration costs within thirty (30) days after Landlord has notified Tenant of
its election to terminate this Lease pursuant to this Subparagraph 11.2.2. To
the extent the actual restoration costs do not exceed the amounts paid by Tenant
to Landlord, Landlord shall promptly return the same to Tenant. To the extent
the actual restoration costs exceed the amount paid by Tenant to Landlord,
Tenant shall promptly return pay Landlord the difference upon Landlord's
request.

              11.2.3 The Building or Other Areas are damaged by any peril within
twenty-four (24) months of the last day of the Lease Term to such an extent that
the estimated cost to restore equals or exceeds an amount equal to six (6) times
the Monthly Rent then due; provided, however, that Landlord may not terminate
this Lease pursuant to this Subparagraph 11.2.3 if Tenant, at the time of such
damage or destruction, has an express written option to extend the initial Lease
Term or First Option Term, as the case may be, and Tenant properly exercises
such option (and concurrently therewith waives its right to rescind its exercise
of the option) so as to extend the Lease Term within fifteen (15) days following
the date of written notice from Landlord.

              11.2.4 The Building or Other Areas are damaged by any peril and,
because of the Laws then in force, (i) may not be restored at reasonable cost to
substantially the same condition in

                                      -20-
<PAGE>   26
which it was prior to such damage, or (ii) may not be used for the same use
being made thereof before such damage whether or not restored as required by
this Paragraph.

         11.3 Tenant's Right to Terminate: If the Premises are damaged by any
peril and Landlord does not elect to terminate this Lease or is not entitled to
terminate this Lease pursuant to Paragraph 11.2, then as soon as reasonably
practicable, Landlord shall furnish Tenant with the written opinion of
Landlord's architect or construction consultant as to when the restoration work
required of Landlord may be completed. Tenant shall have the option to terminate
this Lease in the event any of the following occurs, which option may be
exercised only by delivery to Landlord of a written notice of election to
terminate within seven (7) days after Tenant receives from Landlord the estimate
of the time needed to complete such restoration:

              11.3.1 The Premises are damaged by any peril and, in the
reasonable opinion of Landlord's architect or construction consultant, the
restoration of the Premises cannot be substantially completed within one (1)
year after the date of such damage; or

              11.3.2 The Premises are damaged by any peril occurring at any time
during (i) the second to the last year of the Lease Term (which shall include
the term of any option to extend which has been exercised by Tenant) and in the
reasonable opinion of Landlord's architect or construction consultant the
restoration of the Premises cannot be substantially completed within one hundred
twenty (120) days after the date of such damage, or (ii) the last year of the
Lease Term (which shall include the term of any option to extend which has been
exercised by Tenant) and in the reasonable opinion of Landlord's architect or
construction consultant the restoration of the Premises cannot be substantially
completed within sixty (60) days after the date of such damage.

         11.4 Abatement of Rent: In the event of damage to the Premises which
does not result in the termination of this Lease, the Monthly Rent shall be
temporarily abated during the period of restoration in proportion to the degree
to which Tenant's use of the Premises is impaired by such damage. Tenant shall
not be entitled to any compensation or damages from Landlord for loss of
Tenant's business or property or for any inconvenience or annoyance caused by
such damage or restoration. Tenant hereby waives the provisions of Section 1932,
Subdivision 2, and Section 1933, Subdivision 4, of the California Civil Code,
and the provisions of any similar law hereinafter enacted.

12.      CONDEMNATION:

         12.1 Taking of Premises: Landlord shall have the option to terminate
this Lease if, as a result of a taking by means of the exercise of the power of
eminent domain (including a voluntary sale or transfer by Landlord to a
condemnor under threat of condemnation), (i) all or any part of the Building is
so taken, (ii) more than ten percent (10%) of the Premises is so taken, or (iii)
more than fifty percent (50%) of the other Areas are so taken. Any such option
to terminate by Landlord must be exercised within a reasonable period of time
after the condemnor has commenced judicial action or

                                      -21-
<PAGE>   27
entered into a binding agreement to effect such taking. If Landlord so exercises
such option to terminate, such termination shall be effective as of the date
possession is taken by the condemnor.

         12.2 Termination By Tenant: Tenant shall have the option to terminate
this Lease if, as a result of any taking by means of the exercise of the power
of eminent domain (including any voluntary sale or transfer by Landlord to any
condemnor under threat of condemnation), (i) all of the Building is so taken,
(ii) twenty-five percent (25%) or more of the Building is so taken and that part
of the Building that remains cannot be constructed within a reasonable period of
time and thereby made reasonably suitable for the continued operation of
Tenant's business, or (iii) there is a taking of more than fifty percent (50%)
of the Other Areas and, as a result of such taking, Tenant's access to the
Premises is materially impeded or Landlord cannot provide parking spaces within
walking distance of the Premises equal in number to at least fifty percent (50%)
of the number of spaces available on the Premises, whether by rearrangement of
the remaining parking areas in the Other Areas, (including construction of
multi-deck parking structures or restriping for compact cars where permitted by
law) or by alternative parking facilities on other land. Tenant must exercise
such option within a reasonable period of time, to be effective on the date that
possession of that portion of the Other Areas that is condemned is taken by the
condemnor.

         12.3 Restoration and Abatement of Rent: If any part of the Building or
the Other Areas is taken by Condemnation and this Lease is not terminated, then,
to the extent reasonably practicable, Landlord shall restore the remaining
portion of the Building and Other Areas as they existed as of the Commencement
Date, excluding any Leasehold Improvements, Trade Fixtures and/or personal
property constructed or installed by Tenant after the Commencement Date.
Thereafter, except in the case of a temporary taking, as of the date possession
is taken the Monthly Rent shall be reduced in the same proportion that the floor
area of that part of the Building so taken (less any addition thereto by reason
of any reconstruction) bears to the original floor area of the Building.

         12.4 Temporary Taking: If all or any portion of the Building is
temporarily taken for one (1) year or less, this Lease shall remain in effect.
The foregoing notwithstanding, if any portion of the Building is temporarily
taken by condemnation for either (i) a period which exceeds one (1) year or
which extends beyond the natural expiration of the Lease Term, or (ii) a period
which exceeds (a) one hundred twenty (120) days at any time during the second to
the last year of the Lease Term (which shall include the term of any option to
extend which has been exercised by Tenant),or (b) sixty (60) days at any time
during the last year of the Lease Term (which shall include the term of any
option to extend which has been exercised by Tenant); and, if any such taking
materially and adversely affects Tenant's ability to use the Building for the
Permitted Use, then Landlord and Tenant shall each independently have the option
to terminate this Lease. Such option must be exercised within a reasonable
period of time, and shall be effective on the date possession is taken by the
condemnor.

                                      -22-
<PAGE>   28
         12.5 Division of Condemnation Award: Any award made as a result of any
condemnation of the Building or the Other Areas shall belong to and be paid to
Landlord, and Tenant hereby assigns to Landlord all of its right, title and
interest in any such award; provided, however, that Tenant shall be entitled to
receive any condemnation award that is made directly to Tenant (i) for the
taking of personal property or Trade Fixtures belonging to Tenant, (ii) for the
interruption of Tenant's business or its moving costs, (iii) for loss of
Tenant's goodwill, or (iv) for any temporary taking where this Lease is not
terminated as a result of such taking (subject to the requirements of
Subparagraph 14.1.6). The rights of Landlord and Tenant regarding any
condemnation shall be determined as provided in this Section, and each party
waives the provisions of Section 1265.130 of the California Code of Civil
Procedure and the provisions of any similar law hereinafter enacted allowing
either party to petition the Superior Court to terminate this Lease in the event
of a partial taking of the Premises.

13.      DEFAULT AND REMEDIES:

         13.1 Events of Tenant's Default: Tenant shall be in default of its
obligations under this Lease if any of the following events occurs:

              13.1.1 Tenant shall have failed to pay any Monthly Rent or
Additional Rent when due and such failure is not cured within five (5) days
after delivery of written notice from Landlord specifying such failure to pay;

              13.1.2 Tenant shall have failed to perform any term, covenant, or
condition of this Lease except those requiring the payment of Monthly Rent or
Additional Rent, and Tenant shall have failed to commence cure of such breach
within twenty (20) days after written notice from Landlord specifying the nature
of such breach or to thereafter expeditiously complete such cure within a
reasonable time; or

              13.1.3 Tenant shall have made a general assignment of its assets
for the benefit of its creditors; or

              13.1.4 Tenant shall have sublet the Premises or assigned its
interest in the Lease in violation of the provisions contained in Section 14,
whether voluntarily or by operation of law; or

              13.1.5 Tenant shall have permitted the sequestration or attachment
of, or execution on, or the appointment of a custodian or receiver with respect
to, all or any substantial part of the property of Tenant or any property
essential to the conduct of Tenant's business and Tenant shall have failed to
obtain a return or release of such property within thirty (30) days thereafter,
or prior to sale pursuant to such sequestration, attachment or levy, whichever
is earlier; or

                                      -23-
<PAGE>   29
              13.1.6 Tenant shall have abandoned the Premises (for purposes of
this Lease, Tenant shall be deemed to have abandoned the Premises if it is not
occupying the Premises and has ceased paying Monthly Rent hereunder);

              13.1.7 A court shall have made or entered any decree or order with
respect to Tenant or Tenant shall have submitted to or sought a decree or order
(or a petition or pleading shall have been filed in connection therewith) which:
(i) grants or constitutes (or seeks) an order for relief, appointment of a
trustee, or confirmation of a reorganization plan under the bankruptcy laws of
the United States; (ii) approves as properly filed (or seeks such approval of) a
petition seeking liquidation or reorganization under said bankruptcy laws or any
other debtor's relief law or statute of the United States or any state thereof;
or (iii) otherwise directs (or seeks) the winding up or liquidation of Tenant;
and such petition, decree or order shall have continued in effect for a period
of thirty (30) or more days; or

              13.1.8 Tenant shall have failed to deliver the documents when or
as required pursuant to Paragraph 16.4 or 16.7.

              13.1.9 Chronic Delinquency by Tenant in the payment of Monthly
Rent or Additional Rent. "Chronic Delinquency" means the failure by Tenant to
pay Monthly Rent or Additional Rent within five (5) days after the same is due
for any three (3) months (consecutive or nonconsecutive) during any twelve (12)
month period. In the event of a Chronic Delinquency, in addition to Landlord's
other remedies for a default by Tenant provided in this Lease, at Landlord's
option, Landlord may require that Rent and/or Additional Rent be paid by Tenant
quarterly, in advance.

         13.2 Landlord's Remedies: In the event of any default by Tenant,
Landlord shall have the following remedies, in addition to all other rights and
remedies provided by any Law or otherwise provided in this Lease, to which
Landlord may resort cumulatively, or in the alternative:

              13.2.1 Landlord may, at Landlord's election, continue this Lease
in full force and effect and may enforce all its rights and remedies under this
Lease, including, but not limited to, (i) the right to recover rent and any
other sums payable hereunder as they become due, (ii) the right to make payments
required of Tenant or to perform Tenant's obligations and be reimbursed by
Tenant for the cost thereof with interest of the Agreed Interest Rate from the
date the sum is paid by Landlord until Landlord is reimbursed by Tenant, and
(iii) the remedies of injunctive relief and specific performance to compel
Tenant to perform its obligations under the Lease.

              13.2.2 Landlord may, at Landlord's election, terminate this Lease
by giving Tenant written notice of termination, in which event this Lease shall
terminate on the date set forth for termination in such notice. Tenant expressly
acknowledges that in the absence of such written notice from Landlord, no other
act of Landlord, including, without limitation, its re-entry into the Premises,
its efforts to relet the Premises, its storage of Tenant's personal property and
Trade Fixtures, its

                                      -24-
<PAGE>   30
acceptance of keys to the Premises from Tenant or its exercise of any other
rights and remedies under this Paragraph 13.2, shall constitute an acceptance of
Tenant's surrender of the Premises or constitute a termination of this Lease or
of Tenant's right to possession of the Premises. Upon such termination in
writing of Tenant's right to possession of the Premises, as herein provided,
this Lease shall terminate and Landlord shall be entitled to recover damages
from Tenant as provided in California Civil Code Section 1951.2 or any other
applicable existing or future law, ordinance or regulation providing for
recovery of damages for such breach, including, without limitation, the
following:

                     13.2.2.1 The reasonable cost of recovering the Premises;
plus

                     13.2.2.2 The reasonable cost of removing Tenant's Trade
Fixtures and Leasehold Improvements; plus

                     13.2.2.3 All unpaid rent and any other sums due or earned
hereunder prior to the date of termination, less the proceeds of any reletting
or any rental received from subtenants prior to the date of termination applied
as provided in subparagraph 13.2.1, together with interest at the Agreed
Interest Rate, on such sums from the date such rent and any other sums are due
and payable until the date of the award of damages; plus

                     13.2.2.4 The amount by which the rent and any other sums
which would be payable by Tenant hereunder, as reasonably estimated by Landlord,
from the date of termination until the date of the award of damages exceeds the
amount of such rental loss as Tenant proves could have been reasonably avoided
together with interest at the Agreed Interest Rate on such sums from the date
such rent and any other sums are due and payable until the date of the award of
damages; plus

                     13.2.2.5 The amount by which the rent and any other sums
which would be payable by Tenant hereunder, as reasonably estimated by Landlord,
for the remainder of the then term, after the date of the award of damages
exceeds the amount of such rental loss as Tenant proves could reasonably have
been avoided, discounted at the discount rate published by the Federal Reserve
Bank of San Francisco for member banks at the time of the award plus one percent
(1%); plus

                     13.2.2.6 For purposes of this Paragraph 13.2, (i) the term
"rent" includes the Monthly Rent and all Additional Rent, and (ii) if it becomes
necessary to determine the amount of Additional Rent that would have become due
had Tenant not breached its obligations under this Lease, all such Additional
Rent shall be computed on the basis of the average monthly amount thereof
accruing during the immediately preceding sixty (60) month period, except that
if it becomes necessary to compute such Additional Rent before such a sixty (60)
month period has occurred, then such rent shall be computed on the basis of the
average monthly amount thereof accruing during such shorter period.

                                      -25-
<PAGE>   31
                     13.2.2.7 Such other amounts in addition to or in lieu of
the foregoing as may be permitted from time to time by applicable law.

              13.2.3 In the event Tenant breaches this Lease and abandons the
Premises, this Lease shall not terminate unless Landlord gives Tenant written
notice of its election to so terminate this Lease. No act by or on behalf of
Landlord intended to mitigate the adverse effect of such breach, including those
described by Subparagraph 13.2.2 immediately preceding, shall constitute a
termination of Tenant's right to possession unless Landlord gives Tenant written
notice of termination. Should Landlord not terminate this Lease by giving Tenant
written notice, Landlord may enforce all its rights and remedies under this
Lease, including the right to recover the rent as it becomes due under the Lease
as provided in California Civil Code Section 1951.4, as in effect on the
Effective Date of this Lease.

              13.2.4 Nothing in this Paragraph shall limit Landlord's right to
indemnification from Tenant as provided elsewhere in this Lease, including,
without limitation, Paragraphs 10.3 and 15.2.3. Any notice given by Landlord in
order to satisfy the requirements of Subparagraphs 13.1.1 or 13.1.2 above shall
also satisfy the notice requirements of California Code of Civil Procedure
Section 1161 regarding unlawful detainer proceedings.

         13.3 Landlord's Default and Tenant's Remedies or Tenant's Agents: If,
through no fault of Tenant, Landlord fails to perform any of its obligations
under this Lease or the Ground Lease and fails to cure such default within
thirty (30) days after written notice from Tenant specifying the nature of such
default where such default could reasonably be cured within said thirty (30) day
period, or fails to commence such cure within said thirty (30) day period and
thereafter continuously with due diligence prosecute such cure to completion
where such default could not reasonably be cured within said thirty (30) day
period, then Tenant may cure such default and seek recovery (by legal action, if
necessary) from Landlord of any reasonable costs incurred by Tenant in
connection therewith; provided, however, that Tenant may not offset such costs
against any Monthly Rent, Additional Rent or any other charges payable by Tenant
to Landlord under this Lease. Tenant expressly waives the provisions of Sections
1932(1), 1941 and 1942 of the California Civil Code and/or any similar or
successor law regarding Tenant's right to terminate this Lease or to make
repairs and deduct the expenses of such repairs from the rent due under the
Lease.

         13.4 Waiver: One party's consent to or approval of any act by the other
party requiring the first party's consent or approval shall not be deemed to
waive or render unnecessary the first party's consent to or approval of any
subsequent similar act by the other party. The receipt by Landlord of any rent
or payment with or without knowledge of the breach of any other provision hereof
shall not be deemed a waiver of any such breach unless such waiver is in writing
and signed by Landlord. No delay or omission in the exercise of any right or
remedy accruing to either party upon any breach by the other party under this
Lease shall impair such right or remedy or be construed as a waiver of any such
breach theretofore or hereafter occurring. The waiver by either party of any
breach of any

                                      -26-
<PAGE>   32
provision of this Lease shall not be deemed to be a waiver of any subsequent
breach of the same of any other provisions herein contained.

14.      ASSIGNMENT AND SUBLETTING:

         14.1 By Tenant: The following provisions shall apply to any assignment,
subletting or other transfer by Tenant or any subtenant or assignee or other
successor in interest of the original Tenant (collectively referred to in this
Paragraph as "Tenant"):

              14.1.1 Tenant shall not do any of the following (collectively
referred to herein as a "Transfer"), whether voluntarily, involuntarily, or by
operation of laws, without the prior written consent of Landlord, which consent
shall not unreasonably be withheld: (i) sublet all or any part of the Building
or Other Areas or allow it to be sublet, occupied or used by any person or
entity other than Tenant; (ii) assign its interest in this Lease; (iii) transfer
any right appurtenant to this Lease or the Premises; (iv) mortgage or encumber
the Lease (or otherwise use the Lease as a security device) in any manner; or
(v) materially amend or modify an assignment, sublease, or other transfer that
has been previously approved by Landlord. Tenant shall reimburse Landlord for
all reasonable costs and attorneys' fees incurred by Landlord in connection with
the processing and/or documentation of any requested Transfer whether or not
Landlord's consent is granted. Any Transfer so approved by Landlord shall not be
effective until Tenant has paid all such costs and attorneys' fees to Landlord
and delivered to Landlord an executed counterpart of the document evidencing the
Transfer which (i) is in form approved by Landlord, (ii) contains the same terms
and conditions as stated in Tenant's notice given to Landlord pursuant to
Subparagraph 14.1.2 below, and (iii) contains the agreement of the proposed
transferee to assume all obligations of Tenant related to the Transfer arising
after the effective date of such Transfer and to remain jointly and severally
liable therefor with Tenant. Any attempted Transfer without Landlord's consent
shall constitute a default by Tenant and shall be voidable at Landlord's option.
Landlord's consent to any one Transfer shall not constitute a waiver of the
provisions of Paragraph 14.1 as to any subsequent Transfer nor a consent to any
subsequent Transfer. No Transfer, even with the consent of Landlord, shall
relieve Tenant of its personal and primary obligation to pay the rent and to
perform all of the other obligations to be performed by Tenant hereunder. The
acceptance of rent by Landlord from any person shall not be deemed to be a
waiver by Landlord of any provision of this Lease nor to be a consent to any
Transfer.

              14.1.2 Tenant shall give Landlord at least thirty (30) days prior
written notice of any desired Transfer and of the proposed terms of such
Transfer including but not limited to (i) the name and legal composition of the
proposed transferee; (ii) a current financial statement of the transferee,
financial statements of the transferee covering the preceding three years, and
the "best available" financial statement of the transferee for a period ending
not more than one year prior to the proposed effective date of the Transfer, all
of which statements are prepared in accordance with generally accepted
accounting principles; (iii) the nature of the proposed transferee's business to
be carried on in or on the Premises; (iv) all consideration to be given on
account of the Transfer; (v) a current

                                      -27-
<PAGE>   33
financial statement of Tenant; and (vi) such other information as may be
requested by Landlord. Tenant's notice shall not be deemed to have been served
or given until such time as Tenant has provided Landlord with all information
reasonably requested by Landlord pursuant to this Subparagraph 14.1.2. Tenant
shall immediately notify Landlord of any modification to the proposed terms of
such Transfer.

              14.1.3 If Tenant seeks to make any Transfer, then Landlord may
withhold its consent to such Transfer, as permitted pursuant to Subparagraph
14.1.1 above, by giving Tenant written notice of its election within thirty (30)
days after Tenant's notice of intent to Transfer has been deemed given to
Landlord.

              14.1.4 If Tenant is a corporation, any dissolution, merger,
consolidation, or other reorganization of Tenant, or the sale or transfer in the
aggregate over the Lease Term of a controlling percentage of the capital stock
of Tenant, shall be deemed a voluntary assignment of Tenant's interest in this
Lease, provided, however, that the foregoing shall not apply to corporations
whose capital stock is publicly traded. The phrase "controlling percentage"
means the ownership of and the right to vote stock possessing more than fifty
percent (50%) of the total combined voting power of all classes of Tenant's
capital stock issued, outstanding and entitled to vote for the election of
directors. If Tenant is a partnership, any withdrawal or substitution (whether
voluntary, involuntary, or by operation of law and whether occurring at one time
or over a period of time) of any partner(s) owning twenty-five percent (25%) or
more (cumulatively) of any interest in the capital or profits of the
partnership, or the dissolution of the partnership, shall be deemed a voluntary
assignment of Tenant's interest in this Lease.

              14.1.5 Notwithstanding anything contained in this Paragraph 14.1,
and provided that Tenant is not in breach of the Lease and no uncured default of
Tenant then exists, Tenant may, without Landlord's prior written consent,
sublease all or part of the Premises or assign its interest in this Lease to any
corporation which controls, is controlled by, or is under common control with
the original Tenant to this Lease by means of an ownership interest of more than
fifty percent (50%) of the outstanding voting shares of stock. In the case of
any such assignment or sublease not requiring Landlord's prior consent, Tenant
shall nevertheless notify Landlord in writing, not less than ten (10) days prior
to the effective date of such assignment or sublease of the nature of and
purpose of such assignment or sublease and the identity of the proposed assignee
or subtenant and the address and telephone number of its principal office. As to
any assignment or sublease described above, Tenant shall provide Landlord, upon
request, with such additional information pertaining to the business purpose and
nature of such assignment or sublease as Landlord may reasonably require to
verify compliance with the terms of this Lease, and Tenant shall cooperate in
good faith with the Landlord in addressing and/or answering any reasonable
questions or concerns Landlord may have pertaining to the proposed assignment or
sublease. Tenant expressly agrees that the provisions of this Paragraph 14.1 are
not unreasonable standards or conditions for purposes of Section 1951.4(b)(2) of
the California Civil Code, as amended form time to time.

                                      -28-
<PAGE>   34
              14.1.6 Without limiting the other instances in which it may be
reasonable for Landlord to withhold its consent to an assignment or subletting,
Landlord and Tenant acknowledge that it shall be reasonable for Landlord to
withhold its consent in the following instances:

                     14.1.6.1 If at the time consent is requested or at any time
prior to the grant of consent, Tenant is in material default under this Lease or
would be in default under this Lease but for the pendency of any grace or cure
period specified in this Lease;

                     14.1.6.2 If, in Landlord's reasonable judgment, the use of
the Premises by the proposed assignee or sublessee would involve occupancy in
violation of this Lease; or

                     14.1.6.3 If, in Landlord's reasonable judgment, the
reputation or creditworthiness of the proposed assignee is not satisfactory.

              14.1.7 Tenant irrevocably assigns to Landlord, as security for
Tenant's obligations under this Lease, all rent or other consideration not
otherwise payable to Landlord by reason of any Transfer. Landlord, as assignee
of Tenant, or a receiver for Tenant appointed on Landlord's application, may
collect such rent or other consideration and apply it toward Tenant's obligation
under this Lease, provided, however, that until occurrence of any default by
Tenant, Tenant shall have the right to collect and retain such rent or other
consideration not otherwise payable to Landlord.

              14.1.8 Approval of Ground Lessor: Notwithstanding anything to the
contrary contained in this Lease, wherever the Ground Lease requires Ground
Lessor's prior written approval or consent or grants Ground Lessor the right of
first refusal or disapproval with respect to the execution or modification of an
assignment or sublease or any other provision of this Lease, Ground Lessor's
prior written consent, election to exercise its rights of first refusal, or
failure to disapprove, as the case may be, shall be a condition precedent to the
effectiveness of Landlord's consent. If the Ground Lessor fails or refuses to
give its consent or disapproval, Tenant shall have no right to complete the
proposed assignment or sublease irrespective of the fact that Landlord has given
its consent. Further, if Ground Lessor elects to exercise its rights of first
refusal with respect to any such sublease or assignment, then Tenant shall offer
such sublease or assignment to Ground Lessor on the terms and conditions stated
in the Ground Lease. Tenant shall comply with all provisions of the Ground Lease
applicable to an assignment or sublease of the Premises.

              14.1.9 [Intentionally Omitted]

         14.2 By Landlord: Landlord and its successors in interest shall have
the right to transfer their interest in the Premises at any time and to any
person or entity. In the event of any such transfer, the Landlord originally
named herein (and in the case of any subsequent transfer, the transferor) from
the date of such transfer, (i) shall be automatically relieved, without any
further act by any person or entity, of all liability for the performance of the
obligations of the Landlord here-

                                      -29-
<PAGE>   35
under which may accrue after the date of such transfer, and (ii) shall be
relieved of all liability for the performance of the obligations of the Landlord
hereunder which have accrued before the date of transfer if its transferee
agrees to assume and perform all such obligations of the Landlord hereunder.
Notwithstanding the foregoing, Landlord will not be relieved of its obligations
to Tenant with respect to the Security Deposit, unless Landlord has transferred
the Security Deposit to such transferee. After the date of any such transfer,
the term "Landlord" as used herein shall mean the transferee of such interest in
the Premises.

15.      WASTE DISPOSAL AND HAZARDOUS MATERIALS:

         15.1 Waste Disposal: Tenant shall store its waste either inside the
Premises or within outside trash enclosures that are designated for such
storage. Tenant shall cause all of its waste to be regularly removed from the
Premises at Tenant's sole cost. Tenant shall keep all fire corridors and
mechanical equipment rooms in the Premises free and clear of all obstructions at
all times.

         15.2 Hazardous Materials:

              15.2.1 Definitions:

                     15.2.1.1 Environmental Laws: "Environmental Laws" means all
local, state or federal laws, statutes, ordinances, rules, regulations,
judgments, injunctions, stipulations, decrees, orders, permits, approvals,
treaties or protocols now or hereafter enacted, issued or promulgated by any
governmental authority which relate to any Hazardous Material or to the use,
handling, transportation, production, disposal, discharge, release, emission,
sale or storage of, or the exposure of any person to, a Hazardous Material.

                     15.2.1.2 Hazardous Material: "Hazardous Material" means any
material or substance that is now or hereafter prohibited or regulated by any
law or that is now or hereafter designated by any governmental authority to be
radioactive, toxic, hazardous or otherwise a danger to health, reproduction or
the environment, including, without limitation, crude oil or any fraction
thereof, asbestos or radon gas.

              15.2.2 Use Restriction; Compliance With Law : Except and only as
provided in this Subparagraph 15.2.2, Tenant and its Agents shall not cause nor
permit its or their respective agents to cause, whether through act or omission,
any Hazardous Materials to be used, stored, transported, disposed, or deposited
at, in, on, under or about the Premises. Notwithstanding the foregoing, Tenant
may use, store and transport Hazardous Materials in, on, to and from the
Premises provided that such Hazardous Materials are contained in office supplies
typically used by businesses such as Tenant's or contained in cleaning solvents
and other janitorial supplies typically used in the performance of general
office maintenance, and provided further that such use, storage or
transportation (i) is reasonably necessary to the conduct of Tenant's business
at the Building, (ii) is at

                                      -30-
<PAGE>   36
all times in compliance with all applicable Laws, and (iii) conforms to the
restrictions set forth in Section 4, above. Tenant, at its sole cost and
expense, shall comply with all Environmental Laws relating to the storage, use,
transportation or disposal by Tenant of Hazardous Materials. If Hazardous
Materials are released, discharged or disposed of by Tenant or its Agents at,
in, on, under or about the Premises, Tenant, at its sole cost and expense, shall
promptly take all actions necessary to investigate, monitor, remediate and
remove such Hazardous Materials in compliance with all applicable Laws.

              15.2.3 Indemnity: In addition to Tenant's other indemnity
obligations under this Lease, Tenant shall protect, indemnify, defend upon
demand with counsel reasonably acceptable to Landlord, and hold harmless
Landlord, Ground Lessor, and their employees, agents, contractors, successors
and assigns from and against any and all liabilities, losses, claims, damages,
lost profits, consequential damages, interest, penalties, fines, monetary
sanctions, attorneys' fees, experts' fees, court costs, remediation costs,
investigation costs, and other expenses (collectively, "Landlord Claims") which
result from or arise in any manner whatsoever in whole or in part, out of the
use, storage, treatment, transportation, release, or disposal of Hazardous
Materials at, in, on, under or about the Premises by Tenant or any of Tenant's
Agents, provided, however, that the foregoing indemnity obligations of Tenant
shall not include any Landlord Claims to the extent such Landlord Claims arise
out of any Existing Hazardous Materials (as defined in Paragraph 15.3). Tenant
shall not suffer any lien to be recorded against the Premises as a consequence
of the release, discharge or disposal of any Hazardous Materials on, in, under
or about the Premises by Tenant or any of Tenant's Agents, including any state,
federal, or local "superfund" lien related to the removal or remediation of any
Hazardous Materials in, over, on, under, through, or about the Premises.

              15.2.4 Intentionally Omitted.

              15.2.5. Confidentiality: Tenant shall give written notice to
Landlord as soon as reasonably practicable of (i) any communication received
from any governmental authority concerning Hazardous Materials which relates to
the Premises, and (ii) any contamination of the Premises by Hazardous Materials
which constitutes a violation of any Environmental Law or other applicable Laws.
Tenant shall keep such information confidential, except for (i) disclosures that
are approved by Landlord, (ii) disclosures required by Law as reasonably
determined by Tenant's attorney, or (iii) disclosures to any environmental
consultant, lender, purchaser, prospective purchaser, attorneys for Landlord or
Ground Lessor, or brokers for either Landlord or Ground Lessor, so long as an
agreement of confidentiality is obtained from a party to whom the disclosure is
to be made, (iv) disclosures in connection with any litigation or administrative
proceeding in which Tenant is involved, and (v) disclosures to employees and any
permitted assignee or subtenant of Tenant under this Lease.

              15.2.6 Survival of Obligations: The obligations of Tenant under
Paragraph 15.2 and Landlord under Subparagraph 15.3.3 shall survive the
expiration or earlier termination of the Lease

                                      -31-
<PAGE>   37
Term. In the event of any inconsistency between any other part of this Lease and
Paragraph 15.2, the terms of Paragraph 15.2 shall control.

         15.3 Existing Hazardous Materials: Tenant acknowledges that Landlord
has informed Tenant that Hazardous Materials were previously, and continue to
be, present on the Premises (all such Hazardous Materials, including, without,
limitation, those identified in the reports described on Exhibit C, are
collectively referred to as "Existing Hazardous Materials") and that Landlord
and other parties are currently performing, and during the Lease Term will be
performing remedial work ("Remedial Work") under the supervision of various
governmental agencies, including the DTSC, as more particularly described, in
part, in those reports and other documental information compiled by Landlord and
listed on Exhibit C. Landlord represents that to its current actual knowledge,
there are no Hazardous Materials present on, in, about or under the Premises
other than those Hazardous Materials described in the reports listed on Exhibit
C. Tenant further acknowledges that Landlord's notification to Tenant of the
past and continued presence of Hazardous Materials on the Premises and the
foregoing representation are given for disclosure purposes only and that they do
not constitute a representation or warranty that the Hazardous Materials so
disclosed to Tenant are the only Hazardous Materials that may be present on the
Premises.

              15.3.1 Tenant Representations: Tenant represents: (a) that
Landlord has made the documents listed in Exhibit C available to Tenant; (b)
that Tenant has considered and evaluated, to the extent Tenant in its sole
discretion deemed necessary, the documents listed in Exhibit C and any other
information about the Premises deemed relevant by Tenant; (c) that Tenant has
engaged to the extent Tenant in its sole discretion deemed necessary
environmental consultants, engineers, and other professional consultants to make
such evaluation; and (d) that Tenant's reliance on such information and
documents is based upon Tenant's own independent evaluation of such information
and documents including, without limitation, their accuracy and completeness.

              15.3.2 Performance of Landlord's Remedial Work; Access:

                     15.3.2.1 Landlord's Remedial Work: Landlord and its agents,
at their sole expense, shall perform Remedial Work as and when required by
applicable Environmental Laws and in compliance with all applicable Laws.
Subject to Landlord's rights under Subparagraph 15.3.2.2 below, Landlord shall,
to the extent commercially reasonable and without imposing undue burdens on the
parties performing the work, use reasonable efforts to cause the Remedial Work
to be performed in a manner so as to minimize interference with Tenant's use of
the Premises. Neither Tenant nor any of Tenant's Agents shall interfere with or
otherwise disturb any of Landlord's Remedial Work or any equipment installed on
the Premises in connection therewith.

                     15.3.2.2 Access: Landlord and its agents may at any time
and from time to time during the Lease Term, enter upon the Premises as may be
reasonably required to perform the Remedial Work or any corrective action taken
by Landlord pursuant to this Paragraph 15.3; provided,

                                      -32-
<PAGE>   38
however, that in making such entries or performing any such work, Landlord shall
attempt to minimize, to the extent reasonably practicable, any interference with
Tenant's use of the Premises. Unless the entry of Landlord or its agents is
necessitated by an emergency, or the Remedial Work consists of regularly
scheduled repair, maintenance or monitoring work of which Tenant has been
notified in writing in advance, Landlord or its agents shall give Tenant at
lease twenty-four (24) hours advance written notice of such entry. Any entry by
Landlord or its agents upon the Premises to perform any Remedial Work or
corrective action in accordance with the terms of this Lease shall not entitle
Tenant to any damages or other compensation for any injury to, inconvenience or
interference with, or loss of business occasioned thereby or any other loss or
damage, or to terminate the Lease; provided, however, that (i) Tenant shall be
entitled to a rent abatement to the extent its use and occupancy of the Premises
is unreasonably disturbed by the Remedial Work, and (ii) Landlord shall pay the
actual, out-of-pocket costs reasonably incurred by Tenant in cleaning the
Premises after such entry by Landlord or its agents, and in repairing any
property damage to the Premises or to any Trade Fixtures caused by Landlord or
its agents during any such entry.

         Additionally, Tenant shall be entitled to a payment from Landlord in
the amount of one month's Monthly Rent at the then-current rental rate if either
(i) solely as a result of the conduct of the Remedial Work by Landlord, fifty
percent (50%) or more of the Building is rendered physically unusable for the
ordinary conduct of Tenant's business therein and Tenant in fact vacates such
portion of the Building for a period of ten (10) consecutive days, or (ii)
solely as a result of the Existing Hazardous Materials or the Remedial Work, and
through no fault of Tenant or Tenant's Agents, any governmental or
quasi-governmental agency (including, without limitation, DTSC or EPA) issues a
binding order to Landlord or Tenant which requires Tenant or Tenant's Agents to
vacate fifty percent (50%) or more of the Building, and Tenant in fact vacates
such portion of the Building for a period of ten (10) consecutive days;
provided, however, that the foregoing payments in the aggregate over the entire
Lease Term shall in no event exceed three (3) month's Monthly Rent.
Notwithstanding anything to the contrary contained in the preceding sentence,
Landlord shall have no obligation to make any payment to Tenant pursuant to
either of the foregoing clauses (i) or (ii) unless and until Tenant reoccupies
the portion of the Premises which it has vacated, and, if requested by Landlord,
Tenant has provided reasonable assistance to Landlord in filing a claim with
Landlord's insurance carrier in connection with Tenant's vacation of the
Premises.

              15.3.3 Landlord Indemnity: Landlord shall indemnify, defend,
protect and hold harmless Tenant, any party to whom Tenant sublets all or any
portion of the Premises in compliance with Section 14 hereof, and any party to
whom Tenant assigns its interest in this Lease in compliance with Section 14
hereof (collectively, "Tenant Indemnitees") from and against any and all claims,
demands, costs, causes of action and liabilities (collectively, "Claims") to the
extent such Claims arise out of or in connection with any of the Existing
Hazardous Materials or the performance of the Remedial Work (collectively,
"Landlord's Indemnity Obligations"). Notwithstanding anything to the contrary
herein, Landlord's Indemnity Obligations shall not include any of the following:
(i) any Claims arising out of or proximately caused by a breach of any
provisions of this Lease by Tenant or

                                      -33-
<PAGE>   39
any of Tenant's Agents; (ii) any Claims arising out of or in connection with any
Hazardous Materials placed in, on, under or about the Premises by Tenant or any
of Tenant's Agents; (iii) any Claims (including, without limitation, personal
injury or property damage Claims), brought by any employee or representative of
Tenant or any of Tenant's Agents (collectively, "Employee Claims"), which are
covered by the insurance required to be carried by Tenant under this Lease or
any other insurance actually carried by any of the Tenant Indemnitees (Employee
Claims not so excluded are defined as "Covered Employee Claims"); and (iv) any
Claims based on the loss of use or occupancy of the Premises or any part
thereof, or any injury to or inconvenience or interference with the business of
Tenant or any of Tenant's Agents, and any Claims for lost profits or lost
revenues of any type or kind resulting therefrom (collectively, "Business
Interruption Claims"); provided, however, that the following Business
Interruption Claims (collectively, "Covered Business Interruption Claims") shall
be included in Landlord's Indemnity Obligations (but only to the extent such
Claims could not have been mitigated by resumption of Tenant's business
operations in other available locations within the Premises or at facilities
owned or leased by Tenant other than the Premises, and only with respect to
Claims which arise during the time period beginning on the date Landlord has
received written notice of such Claims and ending on the date that the Premises
are restored or repaired): (a) actual losses incurred by Tenant due to the
necessary suspension of Tenant's business in the Premises, which losses shall
not exceed the net income (i.e., net profit or loss before income taxes) that
would otherwise have been earned or incurred by Tenant (but for the Covered
Business Interruption Claims), and Tenant's continuing normal operating expenses
(excluding payroll), and (b) necessary expenses (i.e., expenses which would not
have been incurred but for the Covered Business Interruption Claims) incurred by
Tenant to avoid or minimize the suspension of business and to continue its
business operations at the Premises or at replacement or temporary premises,
including relocation expenses and costs to equip and operate any such
replacement or temporary premises. Notwithstanding the foregoing, Landlord's
Indemnity obligations with respect to the Claims set forth in the aforementioned
clauses (a) and (b) shall not include any Claim for (i) finished stock or the
time required to reproduce said finished stock, (ii) losses due to any Laws
regulating the construction, repair or demolition of the Premises other than due
to the Remedial Work, (iii) interference at the Premises caused by strikers or
other persons engaged in rebuilding, repairing or replacing the Premises, (iv)
the suspension, lapse, or cancellation of any lease, license, contract or order
unless the same results from the interruption of Tenant's business, and, if so,
then only to the extent that such loss affects the Tenant's earnings, or (v) any
other consequential or remote losses not expressly covered herein in this
Subparagraph 15.3.3. In amplification, and not in restriction of the exceptions
to Landlord's Indemnity Obligations set forth in the preceding sentence, in no
event shall Landlord have any liability for punitive damages. Landlord's
Indemnity Obligations shall include attorneys' fees, provided that Landlord
shall select the attorney to defend the Tenant Indemnitees. Any attorney so
selected by Landlord shall be subject to the applicable Tenant Indemnitees'
approval, which approval shall not be unreasonably withheld or delayed. Control
of any legal proceedings shall rest exclusively and conclusively with Landlord,
but Landlord shall cooperate in good faith and regularly consult with the
applicable Tenant Indemnitees with respect to such proceedings and the
settlement thereof.

                                      -34-
<PAGE>   40
              15.3.4 Limitations on Landlord's Indemnity Obligations. The
limitations on Tenant's recourse set forth in Paragraph 10.2 shall not apply to
Landlord's Indemnity Obligations under Subparagraph 15.3.3; provided, however,
that (i) in no event shall personal liability at any time be asserted or
enforceable against any of Landlord's stockholders, officers, directors,
principals, representatives or partners on account of any of Landlord's
Indemnity Obligations under Subparagraph 15.3.3, and (ii) with respect to any
Covered Business Interruption Claims or Covered Employee Claims, Landlord=s
Indemnity Obligations shall apply only to the extent that the aggregate actual
amount of such Claims exceeds One Million Dollars ($1,000,000) (Tenant shall be
responsible for the first One Million Dollars ($1,000,000) of any such aggregate
actual Claims) and the total amount of Landlord=s Indemnity Obligations for such
aggregate actual Claims shall be limited to and shall not exceed Five Million
Dollars ($5,000,000).

         15.4 Termination Right. Tenant shall have the option to terminate this
Lease if any of the following occurs, which option may be exercised only (i) by
delivery to Landlord of a written notice of election to terminate within seven
(7) days after the occurrence of any of the following events and (ii) if
Landlord has failed to cure same within seven (7) days after receipt of such
notice:

              15.4.1 If after the Commencement Date, and solely as a result of
the conduct of the Remedial Work by Landlord, fifty percent (50%) or more of the
Building is rendered physically unusable for the ordinary conduct of Tenant's
business therein and Tenant in fact vacates such portion of the Building for a
period of thirty (30) consecutive days; or

              15.4.2 If after the Commencement Date, and solely as a result of
the Existing Hazardous Materials or the Remedial Work, and through no fault of
Tenant or Tenant's Agents, any governmental or quasi-governmental agency
(including, without limitation, DTSC or EPA) issues a binding order to Landlord
or Tenant which requires Tenant or Tenant's Agents to vacate fifty percent (50%)
or more of the Building, and Tenant in fact vacates such portion of the Building
for thirty (30) consecutive days.

         If Tenant terminates this Lease pursuant to this Paragraph 15.4, then
Tenant may recover from Landlord the unamortized value (calculated at the Agreed
Interest Rate on the Commencement Date) of any Tenant Improvements paid for by
Tenant. The unamortized value of such improvements shall be calculated based on
the useful life of each such improvement or the Lease Term (not including the
Option Terms), whichever is less.

         15.5 Miscellaneous

              15.5.1 No Third Party Beneficiaries. Nothing contained in this
Section 15 (other than the express terms of the indemnities contained in
Subparagraph 15.2.3 and 15.3.3) is intended to or shall confer any rights or
benefits on any person or entity other than Landlord and Tenant (and their
permitted successors and assigns).

                                      -35-
<PAGE>   41
              15.5.2 Conflict with Damage and Destruction. Landlord and Tenant
agree that if any damage or destruction caused by fire, earthquake, or other
peril should occur which gives either Landlord or Tenant the right to exercise
its rights under Section 11 and which also gives either party the right to
exercise its rights under Paragraph 15.4, the rights under Section 11 of the
Lease (and consequences of exercising those rights) shall control.

16.      GENERAL PROVISIONS:

         16.1 Landlord's Right to Enter: In addition to Landlord's rights under
Subparagraph 15.3.2.2, Landlord and Ground Lessor and their agents may enter the
Premises at any reasonable time, following twenty-four (24) hours notice except
in the case of an emergency, for the purpose of (i) inspecting the same, (ii)
posting notices of non-responsibility, (iii) showing the Premises to prospective
purchasers, mortgagees or, only during the last one hundred eighty (180) days of
the Lease Term, to prospective tenants, (iv) making necessary alterations,
additions, or repairs, (v) performing Tenant's obligation when Tenant has failed
to do so after written notice from Landlord, (vi) placing upon the Premises
ordinary "for lease" or "for sale" signs during the last one hundred eighty
(180) days of the Lease Term, and/or (vii) in case of an emergency. For each of
the aforesaid purposes, Ground Lessor and Landlord may enter the Premises by
means of a master key, and Ground Lessor and Landlord may use any and all means
either may deem necessary and proper to open the doors of the Premises in an
emergency. Any entry into the Premises or portions thereof obtained by Ground
Lessor and Landlord by any of said means, or otherwise, shall not under any
circumstances be construed or deemed to be a forcible or unlawful entry into, or
a detainer of, the Premises, or an eviction, actual or constructive, of Tenant
from the Premises or any portion thereof. Tenant shall have the right to
accompany Ground Lessor and Landlord during any such entry and, to the extent
commercially reasonable and without imposing undue burdens on the parties
performing any necessary work in the Premises, Landlord shall use reasonable
efforts to minimize interference with Tenant's use of the Premises during such
entry.

         16.2 Surrender of the Premises: Immediately prior to the expiration or
upon the sooner termination of this Lease, Tenant shall remove all Tenant's
Trade Fixtures and other personal property and vacate and surrender the Premises
to Landlord in the same condition as existed at the Commencement Date,
reasonable wear and tear excepted, with all interior walls cleaned, all carpets
shampooed and cleaned, all HVAC equipment within the Building in operating order
and in good repair, and all floors cleaned, all to the reasonable satisfaction
of Landlord. If Landlord so requests, Tenant shall, prior to the expiration or
sooner termination of this Lease, remove any Leasehold Improvements or Tenant
Improvements (excluding any Tenant Improvements owned by Landlord) designated by
Landlord and repair all damage caused by such removal. If the Premises are not
so surrendered at the termination of this Lease, Tenant shall be liable to
Landlord for all costs incurred by Landlord in returning the Premises to the
required condition, plus interest on all costs incurred at the Agreed Interest
Rate. Tenant shall indemnify Landlord against loss or liability resulting from
delay by Tenant

                                      -36-
<PAGE>   42
in so surrendering the Premises, including, without limitation, any claims made
by any succeeding tenant.

         16.3 Holding Over: This Lease shall terminate without further notice at
the expiration of the Lease Term. Any holding over by Tenant after expiration of
the Lease Term shall not constitute a renewal or extension of the Lease or give
Tenant any rights in or to the Premises, except as expressly provided in this
Lease. Any holding over after such expiration with the consent of Landlord shall
be construed to be a tenancy from month to month on the same terms and
conditions herein specified insofar as applicable except that Monthly Rent shall
be increased to an amount equal to one hundred fifty percent (150%) of the
Monthly Rent required during the last month of the Lease Term.

         16.4 Subordination: The following provisions shall govern the
relationship of this Lease to the Ground Lease and any underlying lease,
mortgage or deed of trust which now or hereafter affects the Premises, and any
renewal, modification, consolidation, replacement or extension thereof
(collectively "Security Instruments"), which have been or may hereafter be
executed affecting the Premises.

              16.4.1 This Lease is subject and subordinate to all Security
Instruments existing as of the Effective Date. However, if any Lender so
requires, this Lease shall become prior and superior to any such Security
Instrument.

              16.4.2 At Landlord's election, this Lease shall become subject and
subordinate to any Security Instruments created after the Effective Date;
provided that, the Lender to which this Lease shall be subordinated
contemporaneously executes a recognition and nondisturbance agreement which (i)
provides that this Lease shall not be terminated so long as Tenant is not in
default under this Lease and (ii) recognizes all of Tenant's rights hereunder.
Further, Tenant shall attorn to any successor-in-interest or Lender, and shall
execute any documents required to evidence such attornment, provided that such
successor-in-interest or Lender has previously assumed or contemporaneously
assumes, in writing, all obligations of the Landlord under this Lease.

              16.4.3 Tenant shall execute any document or instrument required by
Landlord or any Lender to make this Lease either prior or subordinate to any of
the Security Instruments, which may include such other matters as the Lender
customarily requires in connection with such agreements, including provisions
that the Lender not be liable for (i) the return of the Security Deposit unless
the Lender receives it from Landlord, and (ii) any defaults on the part of
Landlord occurring prior to the time the Lender takes possession of the Premises
in connection with the enforcement of its Security Instrument. Tenant's failure
to execute any such document or instrument within ten (10) days after written
demand therefor shall constitute a default by Tenant.

              16.4.4 Tenant has received a copy of the Ground Lease, has read it
and is familiar with its terms. Tenant shall comply with all terms of the Ground
Lease as they apply to this Lease.

                                      -37-
<PAGE>   43
Tenant shall not use or permit the Premises or any part thereof to be used in
any manner or anything be done therein, or permit anything to be brought into or
kept therein, or do anything or permit anything to be done by action or inaction
which would violate, or cause Landlord to be in violation of, any provision of
the Ground Lease or any other Security Instrument. If any right granted Tenant
under any express provision of this Lease is in conflict with or if the exercise
thereof would constitute a breach of the Ground Lease, then the provisions of
the Ground Lease shall govern and such inconsistent provision in this Lease
shall be of no further force and effect and Tenant shall have no claim, demand
or other cause of action against Landlord or any of its employees or agents as a
consequence of Tenant's inability to exercise such right or enforce such
provision.

         16.5 Tenant's Attornment: Tenant shall attorn (i) to any purchaser of
the Premises at any foreclosure sale or private sale conducted pursuant to any
security instrument encumbering the Premises, (ii) to any grantee or transferee
designated in any deed given in lieu of foreclosure, or (iii) to the Ground
Lessor under the Ground Lease should the Ground Lease be terminated; provided
the transferee agrees to recognize Tenant's rights under this Lease which accrue
after the date of the transfer in question.

         16.6 Lender Protection: In the event of any default on the part of the
Landlord, Tenant will give notice by registered mail to any Lender whose name,
if any, has been provided to Tenant and shall offer such Lender(s) a reasonable
opportunity to cure the default not to exceed thirty (30) days from the
expiration of the time period granted to Landlord to cure such default;
provided, however, that if such Lender(s) require additional time to cure a
default on the part of Landlord or to obtain possession of the Premises by power
of sale or judicial foreclosure or other appropriate legal proceedings, if such
should prove necessary to effect a cure, the Lender shall be granted such
opportunity, provided that the Lender gives reasonable assurances to Tenant that
such default will be cured.

         16.7 Estoppel Certificates and Financial Statements: At all times
during the Lease Term, Tenant agrees, within ten (10) days after any request by
Landlord, promptly to execute and deliver to Landlord an estoppel certificate,
(i) certifying that this Lease is unmodified and in full force and effect, or if
modified, stating the nature of such modification and certifying that this
Lease, as so modified, is in full force and effect, (ii) stating the date to
which the rent and other charges are paid in advance, if any, (iii)
acknowledging that there are not, to Tenant's knowledge, any uncured defaults on
the part of Landlord hereunder, or if there are uncured defaults, stating the
nature of such uncured defaults, and (iv) certifying such other information
about the Lease as may be reasonably required by Landlord. At any time during
the Lease Term, Tenant shall, upon ten (10) days' prior written notice from
Landlord, provide Tenant's most recent financial statement and financial
statements covering the twenty-four (24) month period prior to the date of such
most recent financial statement to any existing Lender or to any potential
Lender or buyer of Landlord's interest in the Premises. Such statements shall be
prepared in accordance with generally accepted accounting principles and, if
such is the normal practice of Tenant, shall be audited by an independent
certified public accountant.

                                      -38-
<PAGE>   44
         16.8 Force Majeure: Any prevention, delay, or stoppage due to strikes,
lockouts, inclement weather, labor disputes, inability to obtain labor,
materials, fuels or reasonable substitutes therefor, governmental restrictions,
regulations, controls, action or inaction, civil commotion, fire or other acts
of God, and other causes beyond the reasonable control of the party obligated to
perform (except financial inability) shall excuse the performance, for a period
equal to the period of any said prevention, delay, or stoppage, of any
obligation hereunder, except the obligation of Tenant to pay rent or any other
sums due hereunder.

         16.9 Notices: Any notice required or desired to be given regarding this
Lease shall be in writing and shall be personally served, or in lieu of personal
service may be given by mail. Personally served notices shall be deemed to have
been given when received by the party, if served by mail, such notice shall be
deemed to have been given (i) on the third business day after mailing to the
party if such notice was deposited in the United States mail, certified and
postage prepaid, addressed to the party to be served at the address set forth
below, and (ii) in all other cases when actually received. Either party may
change its address by giving notice of same in accordance with this Paragraph.

              Address For Landlord:     Coherent, Inc.
                                        5100 Patrick Henry Drive
                                        Santa Clara, California
                                        Attn:  Chief Financial Officer

              with copy to:             Wilson, Sonsini, Goodrich & Rosati
                                        650 Page Mill Road
                                        Palo Alto, CA 94304-1050
                                        Attn: Real Estate Department

              Address For Tenant:       Legato Systems, Inc.
                                        3210 Porter Drive
                                        Palo Alto, California 94304
                                        Attn: Chief Financial Officer

              with copy to:             Gunderson, Dettmer, et al.
                                        600 Hansen Way, 2nd Floor
                                        Palo Alto, CA  94304

         16.10 Attorneys' Fees: If either party shall bring any action or legal
proceeding for an alleged breach of any provision of this Lease, to recover
rent, to terminate this Lease or to otherwise enforce, protect or establish any
term or covenant of this Lease, then the prevailing party shall be entitled to
recover as a part of such action or proceedings, or in a separate action brought
for that purpose, reasonable attorneys' fees and court costs as may be fixed by
the court.

                                      -39-
<PAGE>   45
         16.11 Corporate Authority: If Tenant is a corporation (or a
partnership), each individual executing this Lease on behalf of said corporation
(or partnership) represents and warrants that he/she is duly authorized to
execute and deliver this Lease on behalf of said corporation in accordance with
the bylaws of said corporation (or partnership in accordance with the
partnership agreement of said partnership) and that this Lease is binding upon
said corporation (or partnership) in accordance with its terms. If Tenant is a
corporation, each of the persons executing this Lease on behalf of Tenant does
hereby covenant and warrant that Tenant is a duly authorized and existing
corporation, that Tenant has and is qualified to do business in California and
that the corporation has full right and authority to enter into this Lease. If
Tenant is a corporation Tenant shall, within thirty (30) days after execution of
this Lease, deliver to Landlord a certified copy of the resolution of the board
of directors of said corporation authorizing or ratifying the execution of this
Lease.

         16.12 Miscellaneous: Should any provisions of this Lease prove to be
invalid or illegal, such invalidity or illegality shall in no way affect, impair
or invalidate any other provision hereof, and such remaining provisions shall
remain in full force and effect. Time is of the essence with respect to the
performance of every provision of this Lease in which time of performance is a
factor. The captions used in this Lease are for convenience only and shall not
be considered in the construction or interpretation of any provision hereof. Any
executed copy of this Lease shall be deemed an original for all purposes. This
Lease shall, subject to the provisions regarding assignment, apply to and bind
the respective heirs, successors, executors, administrators and assigns of
Landlord and Tenant. "Party" shall mean Landlord or Tenant, as the context
implies. If Tenant consists of more than one person or entity, then all members
of Tenant shall be jointly and severally liable hereunder. If Tenant is a
corporation, nothing in this Paragraph is intended to confer personal liability
upon the officers or shareholders of Tenant. This Lease shall be construed and
enforced in accordance with the laws of the State of California. The language in
all parts of this Lease shall in all cases be construed as a whole according to
its fair meaning, and not strictly for or against either Landlord or Tenant.
When the context of this Lease requires, the neuter gender includes the
masculine, the feminine, a partnership or corporation or joint venture, and the
singular includes the plural. When a party is required to do something by this
Lease, it shall do so at its sole cost and expense without right of
reimbursement from the other party unless specific provision is made therefor.
All measurements of gross leasable area shall be made from the outside faces of
exterior walls and the centerline of joint partitions. Landlord makes no
covenant or warranty as to the exact square footage of any area. Where Tenant is
obligated not to perform any act, Tenant is also obligated to restrain any
others within its control from performing said act, including Tenant's Agent's.
Landlord shall not become or be deemed a partner nor a joint venturer with
Tenant by reason of the provisions of this Lease. Except as expressly provided
otherwise herein, if either party's consent or approval is required as a
condition to the doing of any act by the other party, such consent shall not be
unreasonably withheld.

         16.13 Brokerage Commissions: Tenant warrants that is has not had any
dealings with any real estate brokers, leasing agents, salesmen, or incurred any
obligations for the payment of real estate brokerage commissions or finder's
fees which would be earned or due and payable by reason of the

                                      -40-
<PAGE>   46
execution of this Lease other than BT Commercial (Tenant's Broker). Landlord=s
broker, Catalyst Real Estate Group and Tenant=s Broker shall each be entitled to
one-half of any commission due and payable upon execution of this Lease.

         16.14 Consents and Approvals: Wherever the consent, approval, judgment
or determination of Landlord is required or permitted under this Lease, Landlord
may exercise its good faith business judgment in granting or withholding such
consent or approval or in making such judgment or determination without
reference to any extrinsic standard of reasonableness, unless the provision
providing for such consent, approval, judgment or determination specifies that
Landlord's consent or approval is not to be unreasonably withheld, or that such
judgment or determination is to be reasonable, or otherwise specifies the
standards under which Landlord may withhold its consent. The review and/or
approval by Landlord of any item to be reviewed or approved by Landlord under
the terms of this Lease or any Exhibits hereto shall not impose upon Landlord
any liability for accuracy or sufficiency of any such item or the quality or
suitability of such item for its intended use. Any such review or approval is
for the sole purpose of protecting Landlord's interest in the Premises under
this Lease, and no third parties, including Tenant, and any of Tenant's Agents
or any person or entity claiming by, through or under Tenant, shall have any
rights hereunder.

         16.15 Termination by Exercise of Option: If this Lease is terminated
pursuant to its terms by the proper exercise of an option to terminate
specifically granted to Landlord or Tenant by this Lease, then this Lease shall
terminate thirty (30) days after the date the option to terminate is properly
exercised (unless another date is specified in that part of the Lease creating
the option, in which event the date so specified for termination shall prevail),
the rent and all other charges due hereunder shall be prorated as of the date of
termination, and neither Landlord nor Tenant shall have any further rights or
obligations under this Lease except for those that have accrued prior to the
date of termination. This paragraph does not apply to a termination of this
Lease by Landlord as a result of a default by Tenant.

         16.16 Entire Agreement: This Lease constitutes the entire agreement
between the parties, and there are no binding agreements or representations
between the parties except as expressed herein. Tenant acknowledges that neither
Landlord nor Landlord's agent(s) has made any representation or warranty as to
(i) whether the Premises may be used for Tenant's intended use under existing
Law or (ii) the suitability of the Premises for the conduct of Tenant's business
or the condition of any improvements located thereon. Tenant expressly waives
all claims for damage by reason of any statement, representation, warranty,
promise or other agreement of Landlord or Landlord's agent(s),

                                      -41-
<PAGE>   47
if any, not contained in this Lease or in any addendum or amendment hereto. No
subsequent change or addition to this Lease shall be binding unless in writing
and signed by the parties hereto.

         16.17 Condition Precedent: This Lease and Landlord's and Tenant's
obligations hereunder are subject to and conditioned upon the execution by
Ground Lessor of a Consent to Sublease and Recognition and Attornment Agreement
("Consent Agreement") with respect to this Lease in a form reasonably acceptable
to both Landlord and Tenant. If such Consent Agreement is not obtained within
thirty (30) days after the Effective Date, then either Landlord or Tenant may,
at any time thereafter until such consent is obtained, terminate this Lease by
giving the other party written notice, whereupon Landlord shall promptly return
to Tenant all monies previously paid by Tenant hereunder.

         IN WITNESS WHEREOF, Landlord and Tenant have executed this Lease with
the intent to be legally bound thereby, to be effective as of the Effective Date
of this Lease.

AS LANDLORD:                              AS TENANT:
COHERENT, INC. a Delaware                 LEGATO SYSTEMS, INC., a Delaware
corporation                               corporation

By: /s/ Scott H. Miller                   By: /s/ Louis C. Cole
    ---------------------------------         ---------------------------------
Printed                                   Printed
Name: Scott H. Miller                     Name: Louis C. Cole
      --------------------------------    --------------------------------
Its:  Vice President & General Counsel    Its: CEO
      --------------------------------         -----------------------
Date: 3/14/96                             Date: 3/14/96
      --------------------------------          -----------------------

                                          By: /s/ Gary Thompson
                                              -------------------------
                                          Printed
                                          Name: Gary Thompson
                                                -----------------------
                                          Its:  CFO
                                                -----------------------
                                          Date: 3/14/96
                                                -----------------------


If Tenant is a CORPORATION, the authorized officers must sign on behalf of the
corporation and indicate the capacity in which they are signing. The Lease must
be executed by the chairman of the board, president or vice-president and the
secretary, assistant secretary, the chief financial officer or assistant
treasurer, unless the Bylaws or resolution of the Board of Directors shall
otherwise provide, in which event, the Bylaws or a certified copy of the
resolution, as the case may be, must be attached to this Lease.

                                      -42-
<PAGE>   48
                                  LEASE SUMMARY


    Lease Date:                        January 26, 1996

    Landlord:                          Coherent, Inc.

    Tenant:                            Legato Systems, Inc.

    Premises:                          3210 Porter Drive
                                       Palo Alto, California 94304

    Building Square Footage:           Deemed to be 95,500 square feet

    Lease Term (Paragraph 2):          120 months, with two extension options

    Monthly Rent (Paragraph 3.1)        Months         Amount Per Month
                                          1-12             $157,575
                                         13-24              162,350
                                         25-36              167,125
                                         37-48              171,900
                                         49-60              176,675
                                         61-72              181,450
                                         73-84              186,225
                                         85-96              191,000
                                         97-108             195,775
                                        109-120             200,550

    Security Deposit (Paragraph 3.6):   $157,575

    Address for Notices                 See Paragraph 16.9

             The provisions of the Lease identified above in
    parentheses are those provisions making reference to the
    above-described Lease terms. Each reference in the Lease shall
    incorporate the applicable Lease terms. In the event of any
    conflict between this Lease Summary and the Lease, the Lease
    shall control.

    LANDLORD:                          TENANT:
    COHERENT, INC., a                  LEGATO SYSTEMS, INC., a
    Delaware corporation               Delaware corporation

    By:                                By:
        ---------------------------        --------------------------
    Printed                            Printed
    Name:                              Name:
         --------------------------         -------------------------
    Its:                               Its:
         --------------------------         -------------------------

<PAGE>   1

EXHIBIT 11.0

                              LEGATO SYSTEMS, INC.
                STATEMENT OF COMPUTATION OF NET INCOME PER SHARE
                      (in thousands, except per share data)


<TABLE>
<CAPTION>
                                                  Three Months Ended           Six Months Ended
                                                       June 30,                    June 30,
                                                  1996          1995          1996          1995
                                                 -------       -------       -------       -------
<S>                                              <C>           <C>           <C>           <C>
Primary:

Weighted average common shares outstanding        16,409         4,101        16,328         4,062

Weighted average common equivalent shares          2,237           848         2,224           782

Shares issuable from assumed conversion of
   convertible preferred shares                       --         7,200            --         7,200

Shares related to SAB Nos. 64 and 83                  --         1,280            --         1,280
                                                 -------       -------       -------       -------

Total weighted average common and common
   equivalent shares                              18,646        13,429        18,552        13,324
                                                 -------       -------       -------       -------

Net income                                       $ 2,343       $ 1,148       $ 2,216       $ 2,143
                                                 =======       =======       =======       =======

Net income per share                             $   .13       $   .09       $   .12       $   .16
                                                 =======       =======       =======       =======

Fully Diluted:

Weighted average common shares outstanding        16,409         4,101        16,328         4,062

Weighted average common equivalent shares          2,330           848         2,301           782

Shares issuable from assumed conversion of
   convertible preferred shares                       --         7,200            --         7,200

Shares related to SAB Nos. 64 and 83                  --         1,280            --         1,280
                                                 -------       -------       -------       -------

Total weighted average common and common
   equivalent shares                              18,739        13,429        18,629        13,324
                                                 -------       -------       -------       -------

Net income                                       $ 2,343       $ 1,148       $ 2,216       $ 2,143
                                                 =======       =======       =======       =======

Net income per share                             $   .13       $   .09       $   .12       $   .16
                                                 =======       =======       =======       =======
</TABLE>




The Company authorized a two-for-one stock split, effective July 5, 1996. This
stock split has been retroactively reflected in the Statement of Computation of
Net Income Per Share.




                                    Page 15

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONDENSED
CONSOLIDATED BALANCE SHEET - UNAUDITED AND CONDENSED CONSOLIDATED STATEMENT OF
INCOME AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH CONDENSED
CONSOLIDATED FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               JUN-30-1996
<CASH>                                           8,184
<SECURITIES>                                    40,698
<RECEIVABLES>                                    7,618
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                55,981
<PP&E>                                           2,785
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                  66,528
<CURRENT-LIABILITIES>                           11,433
<BONDS>                                              0
                                0
                                          0
<COMMON>                                             2
<OTHER-SE>                                      53,525
<TOTAL-LIABILITY-AND-EQUITY>                    66,528
<SALES>                                              0
<TOTAL-REVENUES>                                23,498
<CGS>                                                0
<TOTAL-COSTS>                                    2,356
<OTHER-EXPENSES>                                17,216
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  4,791
<INCOME-TAX>                                     2,575
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     2,216
<EPS-PRIMARY>                                      .12
<EPS-DILUTED>                                      .12
        

</TABLE>


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