SHIVA CORP
10-Q, 1996-08-13
COMPUTER COMMUNICATIONS EQUIPMENT
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<PAGE>   1

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

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                                    FORM 10-Q

     (MARK ONE)
      /X/        QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934
                  For the Quarterly period ended June 29, 1996

      / /       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 0-24918
                                                -------


                                SHIVA CORPORATION
             (Exact name of registrant as specified in its charter)


            Massachusetts                              04-2889151
  -------------------------------          ---------------------------------
  (State or other jurisdiction of          (IRS Employer Identification No.)
  incorporation or organization)

                       28 Crosby Drive, Bedford, MA 01730
          (Address of principal executive offices, including Zip Code)

                                 (617) 270-8300
              (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 June 29,
1996 was 28,493,368.





                            Total Number of Pages: 14

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


                                       1
<PAGE>   2




                                SHIVA CORPORATION

<TABLE>
                                      INDEX
                                      -----
<CAPTION>

Part I            Financial Information                                             Page
                                                                                    ----

<S>      <C>      <C>                                                                <C>
         Item 1   Consolidated Financial Statements

                  Consolidated Balance Sheet
                     June 29, 1996 and December 30, 1995                             3

                  Consolidated Statement of  Operations
                     Three and six months ended June 29, 1996 and July 1, 1995       4

                  Consolidated Statement of Cash Flows
                     Six months ended June 29, 1996 and July 1, 1995                 5

                  Notes to Consolidated Financial Statements                         6

         Item 2   Management's Discussion and Analysis of Financial Condition
                  and Results of Operations                                          8

Part II           Other Information

         Item 4   Submission of Matters to a Vote of Security Holders                12

         Item 6   Exhibits and Reports on Form 8-K                                   12

Signature                                                                            14
</TABLE>



                                       2
<PAGE>   3


                                SHIVA CORPORATION
<TABLE>
                                       CONSOLIDATED BALANCE SHEET
                                (IN THOUSANDS, EXCEPT SHARE RELATED DATA)
<CAPTION>


                                                                             JUNE 29,       DECEMBER 30,
                                                                               1996             1995 
                                                                             --------       ------------
                                                                           (UNAUDITED)
<S>                                                                          <C>              <C>       
ASSETS
Current assets:
  Cash and cash equivalents                                                  $ 95,233         $ 93,203  
  Short-term investments                                                        4,992            9,125  
  Accounts receivable, net of allowances of $5,941 at
     June 29, 1996 and $5,252 at December 30, 1995                             36,260           22,982  
  Inventories                                                                  11,852            7,846  
  Prepaid expenses and other current assets                                     3,738            2,351  
                                                                             --------         --------  
     Total current assets                                                     152,075          135,507  

Property, plant and equipment, net                                             18,371           12,965  
Deferred income taxes                                                           4,219              548  
Other assets                                                                    1,573            1,103  
                                                                             --------         --------  
     Total assets                                                            $176,238         $150,123  
                                                                             ========         ========  

LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
  Current portion of long-term debt and capital lease obligations            $    478         $    700  
  Accounts payable                                                             13,453            9,032  
  Accrued compensation and benefits                                             6,018            5,367  
  Accrued expenses                                                             11,478            7,509  
  Deferred revenue                                                              2,766            3,523  
                                                                             --------         --------  
     Total current liabilities                                                 34,193           26,131  

Long-term debt and capital lease obligations                                      235              452  
Other long-term liabilities                                                       393              401  
Deferred income taxes                                                             235              235  
                                                                             --------         --------  

     Total liabilities                                                         35,056           27,219  
                                                                             --------         --------  

Stockholders' equity:
  Preferred stock, $.01 par value; 1,000,000 shares
    authorized, none issued                                                         -                -  
  Common stock, $.01 par value; 100,000,000 and
    50,000,000 shares authorized, 28,493,368 and
    27,960,580 shares issued and outstanding at
    June 29, 1996 and December 30, 1995, respectively                             285              280  
  Additional paid-in capital                                                  142,383          133,457  
  Unrealized gain on investments                                                  112              137  
  Cumulative translation adjustment                                              (528)            (586) 
  Accumulated deficit                                                          (1,070)         (10,384) 
                                                                             --------         --------  
     Total stockholders' equity                                               141,182          122,904  
                                                                             --------         --------  

     Total liabilities and stockholders' equity                              $176,238         $150,123  
                                                                             ========         ========  
</TABLE>


 
                   The accompanying notes are an integral part
                    of the consolidated financial statements.





                                        3


<PAGE>   4

                                SHIVA CORPORATION
<TABLE>
                                    CONSOLIDATED STATEMENT OF OPERATIONS
                                    (IN THOUSANDS, EXCEPT PER SHARE DATA)
                                                 (UNAUDITED)
<CAPTION>



                                                        THREE MONTHS ENDED              SIX MONTHS ENDED
                                                     ------------------------        -----------------------
                                                     JUNE 29,         JULY 1,        JUNE 29,        JULY 1,
                                                       1996            1995            1996            1995
                                                     --------         -------        --------        -------

<S>                                                   <C>             <C>             <C>             <C>    
Revenues                                              $51,485         $26,376         $94,794         $52,113
Cost of revenues                                       21,397          11,180          38,782          22,257
                                                      -------         -------         -------         -------
Gross profit                                           30,088          15,196          56,012          29,856
                                                      -------         -------         -------         -------

Operating expenses:
   Research and development                             5,462           3,537          10,656           6,356
   Selling, general and administrative                 16,801          10,280          31,506          20,032
   Merger expenses                                      1,987               -           1,987               -
                                                      -------         -------         -------         -------
   Total operating expenses                            24,250          13,817          44,149          26,388
                                                      -------         -------         -------         -------
Income from operations                                  5,838           1,379          11,863           3,468

Interest income                                           987             475           2,331             980
Interest expense                                         (180)           (215)           (298)           (462)
                                                      -------         -------         -------         -------
Income before income taxes                              6,645           1,639          13,896           3,986
Income tax provision                                    1,670             666           4,582           1,631
                                                      =======         =======         =======         =======
Net income                                            $ 4,975         $   973         $ 9,314         $ 2,355
                                                      =======         =======         =======         =======

Net income per share                                  $  0.16         $  0.04         $  0.30         $  0.09
                                                      =======         =======         =======         =======

Shares used in computing net income per share          32,067          27,030          31,296          27,045
                                                      =======         =======         =======         =======
</TABLE>




                   The accompanying notes are an integral part
                    of the consolidated financial statements.



                                        4


<PAGE>   5

                                SHIVA CORPORATION
<TABLE>
                               CONSOLIDATED STATEMENT OF CASH FLOWS
                         INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS
                                          (IN THOUSANDS)
<CAPTION>

                                                                             SIX MONTHS ENDED
                                                                         -------------------------
                                                                         JUNE 29,          JULY 1,
                                                                           1996             1995
                                                                         --------         --------
                                                                                (UNAUDITED)

<S>                                                                      <C>              <C>     
CASH FLOWS FROM OPERATING ACTIVITIES
  Net income                                                             $  9,314         $  2,355
  Adjustments to reconcile net income to net cash
     provided by operating activities:
     Depreciation and amortization                                          2,726            1,686
     Gain on sale of property, plant and equipment                            (42)             (22)
     Deferred income taxes                                                 (1,511)              95
     Changes in assets and liabilities:
        Accounts receivable                                               (13,199)            (896)
        Inventories                                                        (4,028)          (1,717)
        Prepaid expenses and other current assets                             444             (463)
        Accounts payable                                                    4,416             (483)
        Accrued compensation and benefits                                     644              452
        Accrued expenses                                                    7,595            1,802
        Deferred revenue                                                     (734)           1,621
        Other long term liabilities                                            (9)             (12)
                                                                         --------         --------
     Net cash provided by operating activities                              5,616            4,418
                                                                         --------         --------

CASH FLOWS FROM INVESTING ACTIVITIES
  Purchases of property, plant and equipment                               (7,739)          (2,686)
  Capitalized software development costs                                     (593)            (264)
  Purchases of short-term investments                                        --            (10,334)
  Proceeds from sales of short-term investments                             4,108              550
  Change in other assets                                                     (211)            (141)
                                                                         --------         --------
    Net cash used by investing activities                                  (4,435)         (12,875)
                                                                         --------         --------

CASH FLOWS FROM FINANCING ACTIVITIES
  Net repayments under short-term debt                                       --               (677)
  Principal payments on long-term debt and capital
     lease obligations                                                       (439)            (880)
  Proceeds from exercise of stock options and warrants                      1,338              473
                                                                         --------         --------
     Net cash provided (used) by financing activities                         899           (1,084)
                                                                         --------         --------
Effects of exchange rate changes on cash and cash equivalents                 (50)              22
                                                                         --------         --------
Net increase (decrease) in cash and cash equivalents                        2,030           (9,519)
Cash and cash equivalents, beginning of period                             93,203           36,068
Elimination of Spider net cash activiy for the three months
 ended April 1, 1995                                                        --                (998)   
                                                                         ========         ========
Cash and cash equivalents, end of period                                 $ 95,233         $ 25,551
                                                                         ========         ========
</TABLE>



                   The accompanying notes are an integral part
                    of the consolidated financial statements


                                        5


<PAGE>   6


                                SHIVA CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                                   (UNAUDITED)

1.       BASIS OF PRESENTATION:

                  The accompanying unaudited consolidated financial statements
         include the accounts of the Company and its wholly-owned subsidiaries,
         and have been prepared by the Company in accordance with generally
         accepted accounting principles. In the opinion of management, these
         unaudited consolidated financial statements contain all adjustments,
         consisting only of those of a normal recurring nature, necessary for a
         fair presentation of the Company's financial position, results of
         operations and cash flows at the dates and for the periods indicated.
         The results of operations for the three-month and six-month periods
         ended June 29, 1996 are not necessarily indicative of the results
         expected for the full fiscal year. While the Company believes that the
         disclosures presented are adequate to make the information not
         misleading, these consolidated financial statements should be read in
         conjunction with the consolidated financial statements and related
         notes included in the Company's Annual Report on Form 10-K for the
         fiscal year ended December 30, 1995.

         In June 1996, the Company issued approximately 691,587 shares of its
         common stock in exchange for all the outstanding shares of AirSoft,
         Inc. (the "AirSoft Acquisition"). AirSoft, Inc. ("AirSoft") designs,
         manufactures and sells performance enhancement software products. The
         AirSoft Acquisition has been accounted for as a pooling of interests,
         and therefore the consolidated financial statements for all periods
         prior to the AirSoft Acquisition have been restated to include the
         accounts and operations of AirSoft with those of the Company.

         Certain amounts have been reclassified with regard to presentation of
         the financial information of the two companies. Revenues and net income
         (loss) for each of the previously separate companies for the periods
         prior to the AirSoft Acquisition are as follows (in thousands):
<TABLE>
<CAPTION>

                                              Year Ended                           Three  Months Ended
                           ----------------------------------------------       --------------------------
                           December 30,      December 31,      January 1,       March 30,         April 1,
                               1995              1994             1994             1996             1995
                           ------------      ------------      ----------       ---------         --------
                           (Fiscal 1995)    (Fiscal 1994)     (Fiscal 1993)
<S>                          <C>               <C>              <C>              <C>              <C>    
Revenues:
   Shiva                     $117,721          $80,971          $61,259          $42,513          $25,703
   AirSoft                        860               87                3               79               34
                             --------          -------          -------          -------          -------
                             $118,581          $81,058          $61,262          $43,309          $25,737
                             ========          =======          =======          =======          =======

Net income (loss):
   Shiva                     $ (2,879)         $ 3,881          $   909          $ 4,366          $ 2,157
   AirSoft                     (1,973)          (1,841)            (493)             (27)            (775)
                             --------          -------          -------          -------          -------
                             $ (4,852)         $ 2,040          $   416          $ 4,339          $ 1,382
                             ========          =======          =======          =======          =======
</TABLE>

         In connection with the AirSoft Acquisition, the Company incurred
         charges to operations of $1,987,000 in the quarter ended June 29, 1996,
         the quarter in which the acquisition was consummated. Such charges
         include: (a) transaction costs to effect the acquisition, consisting of
         financial advisor fees of $1,350,000 plus $325,000 for legal,
         regulatory and accounting expenses and (b) employee severance payments
         and other miscellaneous expenses of $312,000.

2.       NET INCOME PER SHARE:

         Net income per share is calculated based on the weighted average number
         of common shares and common equivalent shares assumed outstanding
         during the period.



                                       6
<PAGE>   7


3.       COMMON STOCK:

         On April 2, 1996, the Company's Board of Directors declared a
         two-for-one stock split, payable in the form of a stock dividend, on
         all shares of its common stock, which was paid on April 22, 1996 to
         stockholders of record on April 12, 1996. These financial statements
         and related notes have been retroactively adjusted, where appropriate,
         to reflect this two-for-one stock split.

         At the Annual Meeting of Stockholders on May 15, 1996, the stockholders
         of the Company approved (1) an increase in the number of authorized
         shares of common stock of the Company from 50,000,000 to 100,000,000
         shares and (2) an increase in the number of shares available for
         issuance under the Company's Amended and Restated 1988 Stock Plan from
         4,100,000 to 4,850,000 shares.

4.       CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS:

         The Company considers all highly liquid investments purchased with an
         original maturity of three months or less to be cash equivalents, and
         those with maturities of greater than three months as short-term
         investments. At June 29, 1996, the Company had $4,992,000 of short-term
         investments, including an unrealized gain of $112,000, recorded as a
         separate component of stockholders' equity in accordance with Statement
         of Financial Accounting Standards No. 115, "Accounting for Certain
         Investments in Debt and Equity Securities." The Company's short-term
         investments at June 29, 1996, classified as available-for-sale, consist
         of U.S. Treasury securities with various maturity dates through
         September 1996. Realized gains or losses on the sale of securities are
         calculated using the specific identification method. The Company has
         had no realized gains or losses on its securities to date.

5.       INVENTORIES:

<TABLE>
         Inventories consist of the following:
<CAPTION>

                                               June 29,        December 30,
         (in thousands)                          1996              1995
                                               --------        ------------

         <S>                                   <C>                <C>   
         Raw materials                         $ 5,871            $3,137
         Work-in-process                         1,043             1,037
         Finished goods                          4,938             3,672
                                               -------            ------
                                               $11,852            $7,846
                                               =======            ======
</TABLE>


                                       7

<PAGE>   8



                     MANAGEMENT'S DISCUSSION AND ANALYSIS OF
                  FINANCIAL CONDITION AND RESULTS OF OPERATIONS

THREE-MONTH PERIOD ENDED JUNE 29, 1996 COMPARED WITH THE THREE-MONTH PERIOD
ENDED JULY 1, 1995.

RESULTS OF OPERATIONS

         REVENUES. Revenues increased by 95%, to $51,485,000, for the
three-month period ended June 29, 1996, from $26,376,000 in the comparable
period in fiscal 1995. This increase was principally due to higher revenues
from the Company's remote access products. Remote access product revenues
increased by 145%, to $43,639,000, in the three-month period ended June 29,
1996 from $17,782,000 during the comparable period in fiscal 1995, principally
due to higher revenues from the Company's LanRover[Registered Trademark]
product family, including the LanRover Access Switch[Trademark]. Sales to
OEM customers accounted for 24% of revenues in the three months ended
June 29, 1996 and were not significant in the comparable period in fiscal 1995.
These increases were partially offset by a 16% decline in revenues from the
Company's other communications products. The Company anticipates that revenues
from other communications products will continue to decline and will account
for a decreasing percentage of revenue in future periods. The Company provides
its distributors and resellers with product return rights for stock balancing
and product evaluation. Revenues were reduced by provisions for product returns
of $2,291,000 and $2,104,000 in the three month periods ended June 29, 1996 and
July 1, 1995, respectively, representing 4% and 7% of gross revenues,
respectively. International revenues increased to $18,390,000, or 36% of
revenues, in the three-month period ended June 29, 1996, from $12,972,000, or
49% of revenues, in the comparable period in fiscal 1995.

         GROSS PROFIT. Gross profit as a percentage of revenues was 58% in each
of the three-month periods ended June 29, 1996 and July 1, 1995. Increases in
gross profit that resulted from increased revenues from the Company's LanRover
product family, which carry higher gross margins than the Company's other
products, were offset by increased revenues from lower margin OEM remote access
products.

         RESEARCH AND DEVELOPMENT. Research and development expenses increased
to $5,462,000, or 11% of revenues, in the three-month period ended June 29,
1996, from $3,537,000, or 13% of revenues, during the comparable period in
fiscal 1995. The absolute increase in these expenses was primarily due to the
hiring of additional research and development staff. Research and development
expenses during the three-month period ended June 29, 1996 related primarily to
continued enhancements and development of the Company's remote access products,
including the LanRover Access Switch and the Shiva AccessPort[Trademark], a new
ISDN client router. Customer-funded development fees reimbursed to the Company,
which are reflected as an offset to research and development expenses, were 
$564,000 in the three-month period ended June 29, 1996 compared to $250,000 for
the comparable period in fiscal 1995. Capitalized software development costs 
were $147,000 in the three-month period ended June 29, 1996. No software 
development costs were capitalized in the three-month period ended July 1, 
1995. The Company anticipates continued significant investment in research and 
development.

         SELLING, GENERAL AND ADMINISTRATIVE. Selling, general and
administrative expenses increased to $16,801,000 for the three-month period
ended June 29, 1996 from $10,280,000 for the comparable period in fiscal 1995.
These expenses represented 33% and 39% of revenues in the three-month periods
ended June 29, 1996 and July 1, 1995, respectively. The absolute increase in
expenses was primarily due to worldwide expansion of the Company's sales,
marketing and administrative operations necessary to support the Company's
growth. The Company plans to further invest in its distribution channels in
order to continue its global market penetration.

         MERGER EXPENSES. In connection with the AirSoft Acquisition, the
Company incurred charges to operations of $1,987,000 in the quarter ended June
29, 1996, the quarter in which the acquisition was consummated. Such charges
include: (a) transaction costs to effect the acquisition, consisting of
financial advisor fees of $1,350,000 plus $325,000 for legal, regulatory and
accounting expenses and (b) employee severance payments and other miscellaneous
expenses of $312,000. Approximately $778,000 of such expenses were paid in the
quarter ended June 29, 1996, and the remaining $1,209,000 of these charges are
expected to be cash outflows in the third quarter of fiscal 1996.

         INTEREST INCOME AND EXPENSE. The Company had higher interest income
during the three-month period ended June 29, 1996, due to higher investment
balances related to funds generated by the Company's secondary public offering
in November 1995. Interest expense decreased due to the Company's repayment of
the outstanding 



                                       8
<PAGE>   9

debt of Spider Systems, Ltd. ("Spider") assumed as part of the Company's
acquisition of Spider on August 22, 1995, (the "Spider Acquisition") with the
exception of the European Coal and Steel Community Fund loans, in the third
quarter of fiscal 1995.

         INCOME TAX PROVISION. The Company's effective tax rate was 25% for the
three-month period ended June 29, 1996, compared to 41% for the comparable 
period in fiscal 1995. The decrease in the effective tax rate for the 
three-month period ended June 29, 1996 was due to a reduction in the net 
deferred tax asset valuation allowance as a result of certain net operating 
losses that could now be realized, partially offset by non-deductible merger 
expenses.

SIX-MONTH PERIOD ENDED JUNE 29, 1996 COMPARED WITH THE SIX-MONTH PERIOD ENDED
JULY 1, 1995.

RESULTS OF OPERATIONS

         REVENUES. Revenues increased by 82%, to $94,794,000, for the six-month
period ended June 29, 1996, from $52,113,000 in the comparable period in fiscal
1995. This increase was principally due to higher revenues from the Company's
remote access products. Remote access product revenues increased by 136%, to
$79,016,000, in the six-month period ended June 29, 1996, from $33,497,000
during the comparable period in fiscal 1995, principally due to higher revenues
from the Company's LanRover product family, including the LanRover AccessSwitch.
Sales to OEM customers accounted for 20% of revenues in the six months ended
June 29, 1996 and were not significant in the comparable period in fiscal 1995.
These increases were partially offset by a 24% decline in revenues from the
Company's other communications products. The Company anticipates that revenues
from other communications products will continue to decline and will account for
a decreasing percentage of revenue in future periods. The Company provides its
distributors and resellers with product return rights for stock balancing and
product evaluation. Revenues were reduced by provisions for product returns of
$3,978,000 and $4,077,000 in the six month periods ended June 29, 1996 and July
1, 1995, respectively, representing 4% and 7% of gross revenues, respectively.
International revenues increased to $37,247,000, or 39% of revenues, in the
six-month period ended June 29, 1996, from $27,259,000, or 52% of revenues, in
the comparable period in fiscal 1995.

         GROSS PROFIT. Gross profit increased as a percentage of revenues to 59%
in the six-month period ended June 29, 1996, compared to 57% for the comparable
period in fiscal 1995. This increase was primarily attributable to increased
revenues from the Company's LanRover product family, which carry higher gross
margins than the Company's other products, partially offset by increased
revenues from lower gross margin OEM remote access products.

         RESEARCH AND DEVELOPMENT. Research and development expenses increased
to $10,656,000, or 11% of revenues, in the six-month period ended June 29, 1996
from $6,356,000, or 12% of revenues, during the comparable period in fiscal
1995. The absolute increase in these expenses was primarily due to the hiring of
additional research and development staff. Research and development expenses
during the six-month period ended June 29, 1996 related primarily to continued
enhancement and development of the Company's remote access products, including
the LanRover Access Switch and the Shiva AccessPort, a new ISDN client router.
Customer-funded development fees reimbursed to the Company, which are reflected
as an offset to research and development expenses, were $851,000 in the
six-month period ended June 29, 1996, compared to $515,000 for the comparable
period in fiscal 1995. Capitalized software development costs were $593,000 in
the six-month period ended June 29, 1996 compared to $264,000 in the comparable
period in fiscal 1995.

         SELLING, GENERAL AND ADMINISTRATIVE. Selling, general and
administrative expenses increased to $31,506,000 for the six-month period ended
June 29, 1996, from $20,032,000 for the comparable period in fiscal 1995. These
expenses represented 33% and 38% of revenues in the six-month periods ended June
29, 1996 and July 1, 1995, respectively. The absolute increase in expenses was
primarily due to worldwide expansion of the Company's sales, marketing and
administrative operations necessary to support the Company's growth. The Company
plans to further invest in its distribution channels in order to continue its
global market penetration.

         MERGER EXPENSES. In connection with the AirSoft Acquisition, the
Company incurred charges to operations of $1,987,000 in the quarter ended June
29, 1996, the quarter in which the acquisition was consummated. Such charges
include: (a) transaction costs to effect the acquisition, consisting of
financial advisor fees of $1,350,000 plus $325,000 for legal, regulatory and
accounting expenses and (b) employee severance payments and other miscellaneous
expenses of $312,000. Approximately $778,000 of such expenses were paid in the
quarter ended June 29, 1996, and the remaining $1,209,000 of these charges are
expected to be cash outflows in the third quarter of fiscal 1996.


                                       9
<PAGE>   10

         INTEREST INCOME AND EXPENSE. The Company had higher interest income
during the six-month period ended June 29, 1996, due to higher investment
balances related to funds generated by the Company's secondary public offering
in November 1995. Interest expense decreased due to the Company's repayment of
the outstanding debt of Spider assumed as part of the Spider Acquisition, with
the exception of the European Coal and Steel Community Fund loans, in the third
quarter of fiscal 1995.

         INCOME TAX PROVISION. The Company's effective tax rate was 33% for the
six-month period ended June 29, 1996 compared to 41% for the comparable period
in fiscal 1995. The decrease in the effective tax rate for the six-month period
ended June 29, 1996 was due to a reduction in the net deferred tax asset
valuation allowance as a result of certain net operating losses that could now
be realized, partially offset by non-deductible merger expenses.


FOREIGN CURRENCY FLUCTUATIONS

         A substantial portion of the Company's international revenues is
denominated in currencies other than the U.S. dollar and is consequently subject
to foreign exchange fluctuations. The net income impact of such fluctuations is
offset to the extent that expenses of the Company in international operations
are incurred in the same currencies as its revenues. Foreign currency
fluctuations did not have a significant impact on the comparison of results of
operations in the three-month or six-month periods ended June 29, 1996 with
those of the comparable periods in fiscal 1995.


LIQUIDITY AND CAPITAL RESOURCES

         As of June 29, 1996, the Company had $95,233,000 of cash and cash
equivalents and $4,992,000 of short-term investments. Working capital increased
to $117,882,000 at June 29,1996 from $109,376,000 at December 30, 1995.

         Net cash provided by operations totaled $5,616,000 for the six-month
period ended June 29, 1996, compared with net cash provided by operations of
$4,418,000 during the comparable period in fiscal 1995. Net cash provided by
operations during the six-month period ended June 29, 1996 consisted primarily
of net income adjusted for non-cash expenses including depreciation and
amortization, and increased current liabilities, partially offset by increased
accounts receivable and inventories. The increase in accounts receivable was due
to increased revenue levels. The increase in inventories is necessary to support
the Company's revenue growth and the introduction of the LanRover Access Switch
product.

         Net cash used by investing activities totaled $4,435,000 for the
six-month period ended June 29, 1996, compared to $12,875,000 during the
comparable period in fiscal 1995. Investment activity in the six months ended
June 29, 1996 consisted primarily of purchases of property and equipment to
support the Company's growth, partially offset by proceeds from short-term
investments upon maturity. Investment activity for the comparable period in
fiscal 1995 consisted primarily of purchases of short-term investments and
property, plant and equipment.

          Net cash provided by financing activities, which consisted of proceeds
from stock option exercises, partially offset by payments on long-term debt and
capital lease obligations, totaled $899,000 for the six-month period ended June
29, 1996. Net cash used by financing activities was $1,084,000 during the
comparable period in fiscal 1995, and consisted primarily of payments on the
Company's outstanding debt and capital lease obligations.

         The Company has a $5,000,000 unsecured revolving credit facility with a
bank which expires in June 1997. Borrowings under the revolving credit facility
bear interest at the bank's prime rate. The terms of the Credit Agreement
require the Company to maintain a minimum level of profitability and specified
financial ratios. The Company had no borrowings outstanding under this line at
June 29, 1996. The Company also has a foreign credit facility of approximately
$1,552,000, of which approximately $587,000 was available at June 29, 1996.
Available borrowings under this facility are decreased by the value of the
outstanding debt payable to the European Coal and Steel Community Fund and
guarantees on certain foreign currency transactions. The terms of the foreign
credit facility require the Company to maintain a minimum level of profitability
and specified financial ratios. There were no borrowings outstanding under this
foreign credit facility at June 29, 1996.


                                       10
<PAGE>   11


         The Company enters into forward exchange contracts to hedge against
certain foreign currency transactions for periods consistent with the terms of
the underlying transactions. The forward exchange contracts have maturities that
do not exceed one year. At June 29, 1996, the total amount of forward exchange
transactions covered by hedging contracts was $17,020,000.

         The Company believes that its existing cash and short-term investment
balances, together with available borrowings available under the Company's bank
credit facilities, are sufficient to meet the Company's cash requirements for
the foreseeable future.


FACTORS THAT MAY AFFECT FUTURE RESULTS

         From time to time, information provided by the Company or statements
made by its employees may contain `forward-looking' information which involve
risks and uncertainties. In particular, statements contained in the Management's
Discussion and Analysis of Financial Condition and Results of Operations which
are not historical facts (including, but not limited to, statements concerning
anticipated operating expense levels and the availability of funds to meet cash
requirements) may be `forward-looking' statements. The Company's actual future
results may differ significantly from those stated in any forward-looking
statements. Factors that may cause such differences are discussed more fully in
the Company's Annual Report to Stockholders, Form 10-K and the Company's other
Securities and Exchange Commission filings.


                                       11

<PAGE>   12



PART II - OTHER INFORMATION

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

         At the Annual Meeting of Stockholders (the "Annual Meeting") held on
May 15, 1996, the stockholders of the Company entitled to vote thereat approved:

<TABLE>
         (i) the election of two Class II Directors. The following table sets
forth each Class II Director elected at the Annual Meeting (with the vote
results) and each Director whose term of office extended beyond the Annual
Meeting:
<CAPTION>

Name                        Class           Will Expire                 For             Withheld
- -------------------------------------------------------------------------------------------------

<S>                          <C>                <C>                   <C>               <C>
Henry F. McCance               I                1998                     --                    --
Paul C. O'Brien                I                1998                     --                    --
David C. Cole                 II                1999                  10,339,058        1,094,109
Mitchell E. Kertzman          II                1999                  10,339,058        1,094,109
L. John Doerr                III                1997                     --                    --
Frank A. Ingari              III                1997                     --                    --
</TABLE>

         (ii) by vote of 9,528,702 shares of Common Stock in favor, 715,383
shares opposed, 1,114,549 shares abstaining and 74,533 broker non-votes, the
stockholders approved an amendment to the Restated Articles of Organization, as
amended, of the Company to increase the number of authorized shares of common
stock, par value $0.01 per share (the "Common Stock"), of the Company from
50,000,000 to 100,000,000 shares.

         (iii) by vote of 5,745,288 shares of Common Stock in favor, 3,008,782
shares opposed, 1,115,010 shares abstaining and 1,564,087 broker non-votes, the
stockholders approved amendments to the Company's Amended and Restated 1988
Stock Plan (the "1988 Plan") to (a) increase the aggregate number of shares of
Common Stock of the Company available for issuance thereunder from 4,100,000
shares to 4,850,000 shares and (b) to extend the expiration date of the 1988
Plan from December 31, 1997 to December 31, 2000.


Item 6.  Exhibits and Reports on Form 8-K

<TABLE>
         (a)  Exhibits
<CAPTION>

         Exhibit No.       Description of Exhibit
         -----------       ----------------------

         <S>               <C>
         10.1              Lease by and between Walford Company, Landlord, and
                           Shiva Corporation, Tenant dated May 24, 1996.

         10.2+             Amendment #2 dated June 27, 1996 to the License and
                           Development Agreement between Shiva Corporation and
                           Microsoft Corporation dated March 4, 1994.

         10.3+             First Amendment dated June 28, 1996 to the
                           Development and License Agreement effective as of
                           December 30, 1994 between Shiva Corporation and
                           Hewlett-Packard Company.

         10.4+             Letter Agreement dated March 15, 1996 between Shiva
                           Corporation and Northern Telecom Limited to amend the
                           Shiva/Nortel Contract dated May 15, 1995.

         10.5+             First Amendment dated May 16, 1996 to the
                           Shiva/Nortel Contract dated May 15, 1995.

         11.0              Statement of Computation of Earnings per share
                           included herein on page 14.

         27.0              Financial Data Schedule.

<FN>

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

         + Confidential treatment requested.
</TABLE>


                                       12
<PAGE>   13

         (b) Reports on Form 8-K: The Company filed a Current Report on Form 8-K
dated June 27, 1996, as amended by Amendment No. 1 on Form 8-K/A dated July 9,
1996 and Amendment No. 2 on Form 8-K/A dated August 13, 1996. The Current
Report, as amended, announced the completion of the Company's acquisition of
AirSoft, Inc. ("AirSoft"), a Delaware Corporation, in exchange for approximately
691,587 shares of the Company's Common Stock. Amendment No. 2 to the Current
Report contained the following financial statements pursuant to Item 7 of Form
8-K for AirSoft: Balance Sheets as of December 31, 1995, December 31, 1994 and
March 31, 1996; Statements of Operations for the years ended December 31, 1995,
1994 and 1993 and the three months ended March 31, 1996 (unaudited) and March
31, 1995 (unaudited); Statements of Stockholders' Equity for the years ended
December 31, 1995, 1994 and 1993; and Statements of Cash Flows for the years
ended December 31, 1993, 1994 and 1993 and the three months ended March 31, 1996
(unaudited) and March 31, 1995 (unaudited). Amendment No. 2 to the Current
Report also contained the following pro forma combined financial statements:
Unaudited Pro Forma Combined Balance Sheet at March 30, 1996 and Unaudited Pro
Forma Combined Statement of Operations for the years ended December 30, 1995,
December 31, 1994 and January 1, 1994 and the three months ended March 30, 1996
and April 1, 1995.




                                       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.


                                       SHIVA CORPORATION

Date:   August 13, 1996        by: /S/ Cynthia M. Deysher
                                   ------------------------
                                   Cynthia M. Deysher
                                   Senior Vice President Finance and
                                   Administration and Chief Financial Officer
                                   (Principal Financial and Accounting Officer)




                                       14
<PAGE>   15

                                 EXHIBIT INDEX

      The following exhibits are filed herewith.


<TABLE>
<CAPTION>
                                                                           Sequentially
                                                                             Numbered
Exhibit No.                       Description                                   Page
- -----------                       -----------                              ------------

<S>               <C>
10.1              Lease by and between Walford Company, Landlord, and
                  Shiva Corporation, Tenant dated May 24, 1996.                 16

10.2+             Amendment #2 dated June 27, 1996 to the License and
                  Development Agreement between Shiva Corporation and
                  Microsoft Corporation dated March 4, 1994.                    32

10.3+             First Amendment dated June 28, 1996 to the
                  Development and License Agreement effective as of
                  December 30, 1994 between Shiva Corporation and
                  Hewlett-Packard Company.                                      36

10.4+             Letter Agreement dated March 15, 1996 between Shiva
                  Corporation and Northern Telecom Limited to amend the
                  Shiva/Nortel Contract dated May 15, 1995.                     37

10.5+             First Amendment dated May 16, 1996 to the
                  Shiva/Nortel Contract dated May 15, 1995.                     39

11.0              Statement of Computation of Earnings per share
                  included herein on page 14.                                   44 

27.0              Financial Data Schedule.                                      45 

<FN>

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

         + Confidential treatment requested.

</FN>
</TABLE>



<PAGE>   1
                                                                    EXHIBIT 10.1


                               COMMERCIAL LEASE

1.  PARTIES         WALFORD COMPANY, c/o Bernard H. Kayden, 550 Mamaroneck
                    Avenue, Harrison, NY 10528 ("LANDLORD"), which expression
                    shall include its successors and assigns where the context
                    so admits, does hereby lease to Shiva Corporation, 28 Crosby
                    Drive, Bedford, MA 01730-1437 ("TENANT"), which expression
                    shall include its successors and assigns where the context
                    so admits.

2.  PREMISES        TENANT hereby leases the following described premises (the
                    "Premises"): the land described in Exhibit A attached hereto
                    and incorporated herein by reference (the "Land"), together
                    with the buildings and improvements thereon, including the
                    building known as 205 Burlington Road, Bedford,
                    Massachusetts (the "Building") which Building is more
                    particularly described in Exhibit B attached hereto and
                    incorporated herein by reference.

3.  TERM            The term of this lease shall be for seven (7) years
                    commencing on September 1, 1996 (the "Commencement Date")
                    and ending on September 1, 2003. TENANT shall have two
                    options to extend the lease. The first option period shall
                    be for a term expiring on February 14, 2006 and the second
                    option period shall be for a term of five (5) years. Each
                    option period shall require six (6) months prior written
                    notice. The rental rate for any option period shall be at
                    fair market but in no event less than the prior term's
                    average annual net rental rate.

4.  RENT            In the event that the prior tenant, Pre-Owned Electronics,
                    Inc., does not deliver the Premises on or before August 31,
                    1996, the Commencement Date will be the date which is the
                    date the prior tenant vacates the Premises. TENANT shall pay
                    to the LANDLORD rent at the annual rate set forth in Exhibit
                    C attached hereto and incorporated herein by reference.
                    Annual rent shall be payable in advance in equal monthly
                    installments, on the first day of each calendar month during
                    the term, as set forth in Exhibit C.

5.  ADDITIONAL
    COVENANTS       (a) In addition to the rent stated in Section 4 above,
                    TENANT shall pay, directly to the appropriate entity all
                    costs and expenses incurred by TENANT for the following:
                    taxes, electricity and heating, rubbish removal, water and
                    sewer, pest control, snow removal, and grounds maintenance.

                    (b) The TENANT shall have the right to contest the amount or
                    validity of any real estate tax levied on the Premises, by
                    appropriate legal proceedings conducted in good faith.

                    (c) TENANT shall pay before any fine, penalty, interest or
                    cost may be added thereto for the non-payment thereof, all
                    real estate taxes, assessments, water and sewer estate
                    taxes, assessment, water and sewer charges which may be
                    assessed or levied or become a lien against the Premises.
                    TENANT shall exhibit to LANDLORD paid receipts from the
                    appropriate taxing authority showing payment of the above at
                    least 10 days prior to the time when same would become
                    delinquent.

6.  UTILITIES       The TENANT will arrange for, and pay or cause to be paid,
                    all charges for all public or private utility services at
                    any time rendered to or in connection with the Premises or
                    any part thereof. The LANDLORD, upon the request of TENANT,
                    shall grant to TENANT all utility easements reasonably
                    necessary in connection with the use of the Premises, and
                    shall, if required, consent to all applications for
<PAGE>   2
                    permits or other approvals required in connection with the
                    use of the Property and its appurtenances, as TENANT
                    reasonably deems necessary.

7.  USE OF LEASED
    PREMISES        The TENANT shall have the right to use the Premises for the
                    purpose of storage, assembly, repair, customer service,
                    disassembly and distribution, light manufacturing and office
                    use.

                    In addition, the TENANT shall have the right to use the
                    Premises for retail sales to the extent that such retail
                    sales do not violate any applicable law or regulation. The
                    LANDLORD agrees to assist the TENANT in procuring a special
                    permit, variance or similar approval that will allow retail
                    sales on the Premises.

8.  SIGNS           The TENANT shall have the right to install signs on and
                    about the Premises, provided that these signs conform to
                    applicable laws and regulations. In order to compensate the
                    TENANT for expenses related to the TENANT's purchase and
                    installation of signs, the LANDLORD shall reimburse TENANT,
                    in an amount not to exceed Eight Thousand Dollars
                    ($8,000.00), for expenses incurred by TENANT, within five
                    days after LANDLORD's receipt of a statement from TENANT
                    containing the amount of such expenses. The LANDLORD shall
                    assist TENANT in obtaining any permits or authorizations
                    required by any governmental authority in connection with
                    signs installed pursuant to this Section 8.

9.  COMPLIANCE
    WITH LAWS       (a) The TENANT acknowledges that no trade or occupation
                    shall be conducted in the Premises or use made thereof which
                    will be unlawful, improper, noisy or offensive, or contrary
                    to any law or any municipal by-law or ordinance in force in
                    the city or town in which the Premises are situated.

                    (b) TENANT shall promptly comply with all laws, ordinances,
                    orders, rules and requirements of all Federal, State and
                    municipal authorities, applicable to the Premises.

10. FIRE
    INSURANCE       The Tenant shall not permit any use of the Premises which
                    will make voidable any insurance on the property of which
                    the Premises are a part, or on the contents of said property
                    or which shall be contrary to any law or regulation from
                    time to time established by the New England Fire Insurance
                    Rating Association, or any similar body succeeding to its
                    powers.

11. MAINTENANCE
    AND REPAIRS     (a) LANDLORD shall throughout the Term, at LANDLORD's sole
                    cost and expense,keep and maintain in good order, condition
                    and repair the roof and the exterior of the Building, all
                    structural portions of the improvements located on the Land,
                    including without limitation the structural portions of the
                    roof, the load bearing walls, the foundation, the structural
                    floor slabs and other structural elements of the Building,
                    and repairs to the parking lot other than routine
                    maintenance and minor repairs requiring patching only, and
                    other than repairs occasioned by the TENANT's fault. The
                    LANDLORD shall also be responsible, at the LANDLORD's sole
                    cost and expense, for the repair to good working order, of
                    the heating, ventilation and air-conditioning systems and
                    the electrical and plumbing systems, only to the extent that
                    such repairs involve other than routine maintenance. In case
                    LANDLORD is prevented or delayed in making any repairs,
                    alterations or improvements, or furnishing any services or
                    performing any other covenant or duty to be performed on
                    LANDLORD's part, by reason of any cause reasonably beyond
                    LANDLORD's control, LANDLORD shall use best efforts to avoid
                    unreasonable interference with the conduct by TENANT of

                                       2
<PAGE>   3
                    TENANT's business on the Premises, and LANDLORD shall,
                    except in case of emergency repairs, give reasonably advance
                    notice to TENANT of any contemplated work by LANDLORD on the
                    Premises.

                    (b) Other than for those repairs for which LANDLORD is
                    responsible under the terms of Sections 11)(a) and 17
                    hereof, TENANT shall, from and after possession of the
                    Premises is delivered to TENANT, at TENANT's sole cost and
                    expense, keep and maintain the Premises in the same
                    condition as it was in on the Commencement Date, or as it
                    may be put in thereafter, damage by fire or other casualty,
                    taking, and reasonable wear and tear excepted. Without
                    limiting the generality of the foregoing, TENANT shall
                    perform and be solely responsible for the following: (i)
                    snow removal, to the extent required by TENANT, with respect
                    to entrance drives, parking areas, walkways, (ii) lawn
                    maintenance, trimming and the maintenance and care of trees,
                    shrubs and other plantings, (iii) routine maintenance of the
                    parking lot and minor repairs thereto requiring patching
                    only and (iv) preventative maintenance of heating,
                    ventilating and air-conditioning systems (the "HVAC") of the
                    Premises. The TENANT, at the TENANT's sole cost, shall
                    maintain, through the term, a contract with a reputable
                    service company to provide for the preventative maintenance
                    of the HVAC. At the expiration or earlier termination of
                    this leased, TENANT shall yield up the Premises in the
                    condition in which TENANT is obligated hereunder to repair
                    and maintain the same.

                    (c) TENANT shall not create or permit to remain, shall
                    discharge any mechanics or other similar lien which might be
                    or become a lien or encumbrance upon the Premises for work
                    done or material furnished on behalf of the Tenant.

12. ALTERATIONS-
    ADDITIONS       The TENANT shall not make structural alterations or
                    additions to the Premises, but may make non-structural
                    alterations provided the LANDLORD consents thereof in
                    writing, which consent shall not be unreasonably withheld or
                    delayed. All such allowed alterations shall be at TENANT's
                    expense and shall be in quality at least equal to the
                    present construction. LANDLORD specifically consents to
                    TENANT's construction of a loading dock on the Premises
                    provided that such construction is at TENANT's sole expense.
                    TENANT shall not permit any mechanics' liens, or similar
                    liens, to remain upon the Premises for labor and material
                    furnished to TENANT or claimed to have been furnished to
                    TENANT in connection with work of any character performed or
                    claimed to have been performed at the direction of TENANT
                    and shall cause any such lien to be released of record
                    forthwith after receipt of notice thereof without cost to
                    LANDLORD. Any alterations or improvements made by the TENANT
                    shall become the property of the LANDLORD at the termination
                    of occupancy as provided herein. The parties agree that
                    office furniture, cubicles, removable appliances and office
                    equipment remain the property of TENANT upon termination of
                    this Lease.

                                       3
<PAGE>   4
13. ASSIGNMENT-
    SUBLEASING      The TENANT shall have the right to assign this lease or
                    sublet the whole or any part of the Premises with LANDLORD's
                    prior written consent, which consent shall not be
                    unreasonably withheld or delayed. LANDLORD shall, within
                    five (5) business days after receiving the information
                    concerning a proposed sublease, give notice to TENANT to
                    permit or deny the proposed sublease. If LANDLORD denies
                    consent, it must explain the reasons for the denial. If a
                    LANDLORD does not give notice within the two (2)
                    business-day period, then TENANT may sublease or assign part
                    or all of the Premises upon the terms TENANT gave in the
                    notice of the proposed sublease. Notwithstanding such
                    consent, TENANT shall remain liable to LANDLORD for the
                    payment of all rent and for the full performance of the
                    covenants and conditions of this lease.

14. LANDLORD'S
    ACCESS          The LANDLORD or agents of the LANDLORD may, at reasonable
                    times, during normal business hours, and upon reasonable
                    notice of TENANT, enter to view the Premises and to make
                    such repairs as LANDLORD shall elect or be required to make,
                    and at any time within three (3) months before the
                    expiration of the term, may affix to any suitable part of
                    the outside of the Premises a notice for letting or selling
                    the Premises or property of which the Premises are a part
                    and keep the same so affixed without hindrance or
                    molestation.

15. INDEMNIFICATION
    AND LIABILITY   The TENANT shall save the LANDLORD harmless from all loss
                    and damage occasioned by any nuisance made or suffered on
                    the Premises caused by the negligence or willful misconduct
                    of TENANT, its agents, employees or invitees. The removal of
                    snow and ice from the sidewalks bordering upon the Premises,
                    all landscaping and garbage disposal, shall be the TENANT's
                    responsibility.

16. TENANT'S
    LIABILITY
    INSURANCE       The TENANT shall maintain with respect to the Premises and
                    the property of which the Premises are a part, comprehensive
                    public liability insurance in the amount of $1,000,000
                    combined single limit per occurrence, $2,000,000 policy
                    aggregate, in responsible companies qualified to do business
                    in Massachusetts and in good standing therein insuring the
                    LANDLORD as well as TENANT against injury to persons or
                    damage to property as provided. The TENANT shall deposit
                    with the LANDLORD certificates for such insurance at or
                    prior to the commencement of the term, and thereafter within
                    thirty (30) days prior to the expiration of any such
                    policies. All such insurance certificates shall provide that
                    such policies shall not be canceled without at least ten
                    (10) days prior written notice to each assured name therein.

17. FIRE, CASUALTY
    EMINENT DOMAIN  (a) In case of any material damage to or destruction of the
                    Premises or any part thereof, TENANT will promptly give
                    written notice thereof to LANDLORD, generally describing the
                    nature and extent of such damage or destruction.

                    (b) In case of any damage to or destruction of the Premises
                    or any part thereof, LANDLORD shall commence and prosecute
                    with reasonable diligence the restoration, replacement or
                    rebuilding of the Premises as nearly as practicable to its
                    value, condition and character immediately prior to such
                    damage or destruction (such restoration, replacement and
                    rebuilding, together with any temporary repairs and property
                    protection pending completion of the work, being herein
                    called "Casualty Restoration").

                                       4
<PAGE>   5
                    (c) (i) If the Premises are substantially damaged by fire or
                    other casualty or (ii) if LANDLORD fails to complete the
                    Casualty Restoration within one hundred and twenty (120)
                    days after such damage or destruction, TENANT may elect to
                    terminate this Lease giving to LANDLORD written notice of
                    such election (specifying the termination date which shall
                    not be less than 10 nor more than 90 days after the date of
                    such notice) (a) within 30 days after such fire or other
                    casualty in the case of a termination right under subsection
                    (i) above, or (b) within thirty days after the expiration of
                    such one hundred twenty (120) day period, in the case of a
                    termination right under subsection (ii) above; provided that
                    such Casualty Restoration has not been completed prior to
                    the giving of such notice. For the purposes of this Section
                    17(c), the Premises shall be deemed to have been
                    substantially damaged or destroyed if the damage is of such
                    a character that the same cannot in the ordinary course
                    reasonably be expected to be restored or repaired within one
                    hundred (100) days from the time that repair work would be
                    commenced.

                    (d) The rent and all other sums payable thereunder by TENANT
                    shall be equitably abated from the date of such damage or
                    destruction until the date on which the Casualty Restoration
                    has been completed, unless this lease has sooner terminated
                    as provided herein. In the event of any disagreement between
                    LANDLORD and TENANT as to the amount of such abatement, the
                    same shall be determined by arbitration by an appraiser
                    selected by LANDLORD and TENANT.

                    (e) In the case of a taking of all or a substantial portion
                    of the Premises by eminent domain, so that in the TENANT's
                    reasonable opinion the Premises are no longer suitable for
                    their intended use, the TENANT may elect to terminate this
                    lease by written notice to LANDLORD within thirty (30) days
                    notice to LANDLORD within thirty (30) days after TENANT
                    obtains actual notice of such taking. Upon such election to
                    terminate, this lease shall have no further effect.

                    (f) In the case of a taking whereby the TENANT does not
                    elect to terminate this lease, the Rent, Additional Rent and
                    Other sums payable by TENANT under this lease shall be
                    equitably abated.

18. DEFAULT AND
    BANKRUPTCY      In the event that:

                    (a) The TENANT shall default in the payment of any
                    installment of rent or other sum herein specified and such
                    default shall continue for ten (10) days after receipt by
                    TENANT of written notice thereof; or

                    (b) The TENANT shall default in the observance or
                    performance of any other of the TENANT's covenants,
                    agreements, or obligations hereunder and such default shall
                    not be corrected within thirty (30) days after written
                    notice thereof or, if such default cannot reasonably be
                    corrected within such thirty (30) day period, if TENANT
                    shall fail, within such period, to commence to cure such
                    default or thereafter to prosecute and complete the same
                    with due diligence; or

                    (c) The TENANT shall be declared bankrupt or insolvent
                    according to law, or, if any assignment shall be made of
                    TENANT's property for the benefit of creditors, then the
                    LANDLORD shall have the right thereafter, while such default
                    continues, to re-enter and take complete possession of the
                    Premises, to declare the term of this lease ended, and
                    remove the TENANT's effects, without prejudice to any
                    remedies which might be otherwise used for arrears of rent
                    or other default. The

                                       5
<PAGE>   6
                    TENANT shall indemnify the LANDLORD against all loss of rent
                    and other reasonable payments which the LANDLORD may incur
                    by reason of such termination during the residue of the
                    term. If the TENANT shall default after reasonable notice
                    thereof, in the observance or performance of any conditions
                    or covenants on TENANT's part to be observed or performed
                    under or by virtue of any of the provisions in any article
                    of this lease, the LANDLORD, without being under any
                    obligation to do so and without thereby waiving such
                    default, may remedy such default for the account and at the
                    expense of the TENANT. If the LANDLORD makes any
                    expenditures or incurs any obligations for the payment of
                    money in connection therewith, including but not limited to,
                    reasonable attorney's fees in instituting, prosecuting or
                    defending any action or proceeding, such sums paid or
                    obligations insured shall be paid to the LANDLORD by the
                    TENANT as additional rent.

19. NOTICE          Any notice from the LANDLORD to the TENANT relating to the
                    Premises or the occupancy thereof, shall be deemed duly
                    served upon receipt, if personally delivered or if mailed to
                    the Premises, registered or certified mail, return receipt,
                    requested, postage prepaid, addressed to the TENANT. Any
                    notice from the TENANT to the LANDLORD relating to the
                    Premises or to the occupancy thereof, shall be deemed duly
                    served, upon receipt, if mailed to the LANDLORD by
                    registered of, certified mail, return receipt requested,
                    postage prepaid, addressed to the LANDLORD at such address
                    as the LANDLORD may from time to time advise in writing. All
                    rent and notices shall be paid and sent to the LANDLORD at
                    the address set forth in Section 1 above.

20. SURRENDER       The TENANT shall at the expiration or other termination of
                    this lease remove all TENANT's goods and effects from the
                    Premises. TENANT shall deliver to the LANDLORD the Premises
                    and all keys, locks thereto, and other fixtures connected
                    therewith and all alterations and additions made to or upon
                    the Premises, in the same condition as they were at the
                    commencement of the term, or as they were put in during the
                    term hereof, reasonable wear and tear and damage by fire or
                    other casualty and taking by eminent domain excepted.

                    Notwithstanding anything herein to the contrary, the
                    Landlord shall incur the entire cost and responsibility for
                    removing the signs installed by the LANDLORD or the TENANT
                    pursuant to Section 8 hereof.

21. WAIVER OF
    SUBROGATION     Any insurance carried by either party with respect to the
                    Premises, the Building or the Land or occurrences thereon
                    shall, if it can be so written without additional premium,
                    or with an additional premium which the other party agrees
                    to pay, include a clause or endorsement denying to the
                    insurer rights of subrogation against the other party to the
                    extent rights have been waived by the insured prior to the
                    occurrence of the injury or the loss. Each party,
                    notwithstanding other provisions of this lease to the
                    contrary, hereby waives any rights of recovery against the
                    other for injury or loss due to hazards covered by such
                    insurance to the extent of the indemnification received
                    thereunder.

                                       6
<PAGE>   7
22. CASUALTY
    INSURANCE       TENANT, at TENANT's sole cost and expense, shall maintain at
                    all times during the term of this lease with respect to the
                    Premises and the Building and property of which such
                    Premises are a part, insurance naming the LANDLORD as
                    insured against loss or damage under a so-called "all risk"
                    type insurance policy. Such insurance shall be in an amount
                    equal to the full replacement value of said Building and
                    other improvements on the Land, and shall be maintained with
                    responsible companies qualified to do business and in good
                    standing in the Commonwealth of Massachusetts. TENANT shall
                    provide LANDLORD with a certificate evidencing procurement
                    of insurance in accordance with this paragraph within
                    fourteen (14) days of the date hereof, and in the case of
                    the renewal of such policy, at least thirty (30) days prior
                    to the expiration of the policy.

23. DELIVERY OF
    THE PREMISES    On the Commencement Date of the term hereof, as set forth in
                    Section 3 of this Lease, LANDLORD shall deliver the Premises
                    to TENANT, broom clean, with carpets shampooed, tile floor
                    areas cleaned and waxed, free of all tenants and other
                    occupants, with all of the improvements to the Premises
                    shown on Exhibit B completed by LANDLORD, at LANDLORD's sole
                    cost and expense and with all building systems in good
                    working order. The improvements to be made by LANDLORD to
                    the Building and the Premises as shown on Exhibit B attached
                    hereto shall be of good quality, and shall be made in a good
                    and workmanlike manner, in compliance with all applicable
                    laws. The LANDLORD shall cause the TENANT to be named as a
                    beneficiary of any and all warranties and guaranties of
                    electrical, mechanical and other equipment and systems that
                    the LANDLORD has purchased for the Premises.

                    If the LANDLORD is unable to deliver the Premises to the
                    TENANT on the Commencement Date in accordance with this
                    Section 23, then, unless the delay is due to a delay beyond
                    the LANDLORD's reasonable control, the TENANT shall have the
                    option of terminating this lease. (The LANDLORD's financial
                    inability to complete improvements is not a delay beyond the
                    LANDLORD's reasonable control). Notwithstanding anything in
                    this paragraph to the contrary, if an event beyond the
                    LANDLORD's reasonable control occurs and the LANDLORD can
                    not deliver the Premises on the Commencement Date, then the
                    TENANT shall have the option of terminating this Lease if
                    the LANDLORD is unable to deliver the Premises to the Tenant
                    in accordance with this Section 23 on or before September 1,
                    1996.

24. ESTOPPEL
    CERTIFICATE     Either party will, upon the request of the other, execute,
                    acknowledge and deliver to the requesting party, within
                    fifteen (15) business days after request, a certificate
                    certifying (a) that this lease is unmodified and in full
                    force and effect (or, if there have been modifications, that
                    this lease is in full force and effect, as modified, and
                    stating the modifications), (b) the dates, if any, to which
                    the basic and additional rents have been paid, (c) whether
                    or not there are then existing any offsets or defenses
                    against the enforcement of any term hereof on the part of
                    the requesting party to be performed or complied with (and,
                    if so, specifying the same), (d) whether or not there are
                    any defaults-under this lease (and, if so, specifying the
                    same), and (e) that no notice has been received by the
                    certifying party of any default which has not been cured.



                                       7
<PAGE>   8
25. ATTORNEYS'
    FEES            ln the event of any litigation between the parties to this
                    lease arising out of or resulting from the terms and
                    conditions herein contained, the prevailing party shall be
                    entitled to be reimbursed by the other party in an amount
                    equal to the sum of all attorneys' fees and expenses
                    reasonably incurred by such prevailing party in connection
                    with such litigation.

26. ENVIRONMENTAL
    MATTERS         (a) The term "Hazardous Materials" shall include, without
                    limitation, (i) any "hazardous waste" as defined by the
                    Resource Conservation and Recovery Act of 1976, or
                    Massachusetts General Laws Chapter 21C, as either may be
                    amended from time to time, the regulations promulgated
                    thereunder; (ii) any "hazardous substance" as defined by the
                    Comprehensive Environmental Response, Compensation and
                    Liability Act of 1980, as amended from time to time, or the
                    regulations promulgated thereunder; and (iii) any substance
                    the presence of which on or within the Premises, the
                    Building or on, under or above the Land is prohibited by any
                    applicable federal, state, or local law and regulations, if
                    any, promulgated pursuant thereto, including, but not
                    limited to, any "oil" or "hazardous material" as defined by
                    the Massachusetts Oil and Hazardous Material Release
                    Prevention and Response Act of 1983, Massachusetts General
                    Laws, Chapter 21E, as amended from time to time, or the
                    regulations promulgated thereunder.

                    (b) The Landlord is not aware of the existence of any
                    reports of Hazardous Materials found or disposed of on the
                    Premises, the Building or the Land other than those listed
                    on Exhibit D, attached hereto.

                    (c) In the event that concentrations of volatile organic
                    chemicals exceed the permissible exposure limits (the
                    "Excessive Levels") established (i) by regulations now or at
                    any time in the future promulgated by the Occupational
                    Safety and Health Administration, U.S. Department of Labor,
                    or (ii) under any similar federal, state or local
                    legislation or regulations governing exposure of employees
                    to such substances, then unless the LANDLORD elects to
                    remedy such condition in accordance with the following
                    subsection (d), or, in the event LANDLORD is required by
                    Federal or state government environmental regulations to
                    excavate any portion of the Building, the TENANT shall have
                    the option of terminating this lease upon written notice to
                    the LANDLORD, and upon such election the LANDLORD shall
                    return to TENANT a pro rata share of prepaid rent along with
                    the Security (as defined in Section 27 hereof), and this
                    Lease shall be of no further force and effect.

                    (d) The LANDLORD may elect to lower any Excessive Levels by
                    providing TENANT with written notice of such election within
                    ten (10) days of such discovery. Upon such election, the
                    LANDLORD shall have sixty (60) days to lower the
                    Excessive-Levels to levels that do not exceed any then
                    current law or regulation. The LANDLORD may not interfere
                    with the TENANT's business operations in order to lower the
                    levels of Hazardous Materials. If the levels are not lowered
                    by the end of the sixty (60) day period, then the TENANT
                    shall have the option to terminate this lease, and upon such
                    termination, LANDLORD shall refund any rent applicable to
                    such sixty (60) day remedial period.

                    (e) The LANDLORD and the TENANT acknowledge that the TENANT
                    bears no responsibility for subsurface conditions existing
                    at the Premises and that the TENANT bears no responsibility
                    for air and other gases that emanate from below the surface
                    of the Premises.

                                       8
<PAGE>   9
                    (f) LANDLORD shall indemnify and save harmless the TENANT
                    against all penalties, claims or demands from a governmental
                    authority or third party (including reasonable attorney's
                    fees incurred in defending such claims or demands) arising
                    from the presence of Hazardous Materials on or about the
                    Premises, except for those caused by TENANT's negligence or
                    misconduct provided however, that TENANT shall have no right
                    to recover any of its own business losses (including, but
                    not limited to TENANT's moving costs and lost profits)
                    incurred by TENANT as a result of the presence of Hazardous
                    Materials on or about the Premises. TENANT agrees that
                    TENANT's sole remedy related to business losses resulting
                    from Hazardous Materials on or about the Premises is
                    TENANT's option to terminate this lease in accordance with
                    subsections 26(c) and 26(d) of this lease.

                    (g) The remedies provided herein are in addition to other
                    remedies available under law.

27. SECURITY
    DEPOSIT         TENANT has delivered to LANDLORD on the date hereof the sum
                    of $33,003.38 as security (the "Security") for the
                    performance by the TENANT of the terms, provisions,
                    covenants and conditions of this lease. The LANDLORD shall
                    deposit this sum in a federally insured interest bearing
                    account that is segregated from all of the LANDLORD's other
                    accounts. If the TENANT defaults under this lease, and such
                    default is not cured within the time periods stated in
                    Section 18 hereof, then the LANDLORD may use, apply and
                    retain the whole or any part of the security for the payment
                    of any monies owed by the TENANT under this Lease, and
                    the-LANDLORD shall thereafter promptly provide the TENANT
                    with an accounting of such use, application or retention. If
                    the TENANT complies with the terms, provisions, covenants
                    and conditions of this lease, then the Security, or any
                    balance thereof, plus any interest accrued thereon, shall be
                    returned to the TENANT on or prior to three business days
                    after the expiration or termination of the term of this
                    lease.

28. NON-
    DISTURBANCE     Upon written request by LANDLORD, TENANT shall execute and
                    deliver an agreement subordinating this lease to any first
                    mortgage upon the Premises; provided, however, such
                    subordination shall be upon the express condition that the
                    validity of this lease shall be recognized by the persons
                    succeeding to the interest of the LANDLORD, including a
                    purchaser at a foreclosure sale, and that, notwithstanding
                    any default by the mortgagor with respect to said mortgage
                    or any foreclosure thereof, TENANT's possession and right of
                    use under this lease in and to the Premises shall not be
                    disturbed by such successor unless and until TENANT shall
                    breach any of the provisions hereof and this lease or
                    TENANT's right to possession hereunder shall have been
                    terminated in accordance with the provisions of this lease.

29. TENANT'S
    INDEMNITY       TENANT indemnifies, defends, and holds LANDLORD harmless
                    from claims:

                    (i) for personal injury, death, or property damage;

                    (ii) for incidents occurring on or about the Premises; and

                    (iii) caused by the negligence or willful misconduct of
                    TENANT, its agents, employees, or invitees.

                    When the claim is caused by the joint negligence or willful
                    misconduct of TENANT and LANDLORD or TENANT and a third
                    party unrelated to TENANT, except TENANT's agent employees,
                    or invitees, TENANT's duty to defend, indemnify, and hold
                    LANDLORD harmless shall be in proportion to TENANT's
                    allocable share of the joint negligence or willful
                    misconduct.



                                       9
<PAGE>   10
    LANDLORD'S
    INDEMNITY       LANDLORD indemnifies, defends, and holds TENANT harmless
                    from claims:

                    (i) for personal injury, death, or property damage;

                    (ii) for incidents occurring in or about the Premises; and

                    (iii) caused by the negligence or willful misconduct of
                    LANDLORD, its agents, employees, or invitees.

                    When the claim is caused by the joint negligence or willful
                    misconduct of LANDLORD and TENANT or LANDLORD and a third
                    party unrelated to LANDLORD, except LANDLORD's agents,
                    employees, or invitees, LANDLORD's duty to defend,
                    indemnify, and hold TENANT harmless shall be in proportion
                    to LANDLORD's allocable share of the joint negligence or
                    willful misconduct.

    Release of
    Claims          Notwithstanding TENANT's Indemnity and LANDLORD's Indemnity,
                    the parties release each other from any claims either party
                    (Injured Party) has against the other. This release is
                    limited to the extent the claim is covered by the Injured
                    Party's insurance.

30. RENT
    INSURANCE       TENANT shall, at TENANT's sole cost and expense, naming the
                    LANDLORD as insured, maintain during the term of this lease
                    rent insurance in an amount equal to rent and real estate
                    taxes for the next twelve month period.

                                       10
<PAGE>   11
        IN WITNESS WHEREOF, the LANDLORD and TENANT have hereunto set their
hands and common seals this 24th day of May, 1996.

Witness:                                        TENANT:  SHIVA CORPORATION

/s/ M. Elizabeth Potthoff                       By: /s/ Cynthia M. Deysher
- -------------------------                           -----------------------




Witness:                                        LANDLORD:  WALFORD COMPANY

/s/ Rita Levitan                                By: /s/ Bernard H. Kayden
- -------------------------                           -----------------------
                                                        General Partner


                                       11
<PAGE>   12
                                    EXHIBIT A

                               DESCRIPTION OF LAND

That certain parcel of land situated in Bedford in the County of Middlesex and
the Commonwealth of Massachusetts, bounded and described as follows:

        Northeasterly by Burlington Road, four hundred and twenty-two feet;
        Southeasterly by lot 22 as shown on plan hereinafter mentioned, four
        hundred eighty-seven and 67/100 feet;
        Southwesterly by lot 21 on said plan, three hundred forty-four and
        35/100 feet;
        Southwesterly again, one hundred nine and 81/100 feet, and
        Northwesterly, four hundred ten and 02/100 feet by land nor or formerly
        of Bedford Research and Office Park.

Said parcel is shown as lot 28 on said plan.

All of said boundaries are determined by the Court to be located as shown on a
subdivision plan, as approved by the Court, filed in the Land Registration
Office, and copy of which is filed in the Registry of Deeds for the South
Registry District of Middlesex County in Registration Book 648, Page 48, with
Certificate 103598.



                                       12
<PAGE>   13
                                    EXHIBIT B

                               205 BURLINGTON ROAD

                     TENANT ALLOWANCES FOR SHIVA CORPORATION

                    INTERIOR OFFICE FINISHES AND IMPROVEMENTS

- - premises delivered "as is"

- - 51,502 ventable square feet

- - 1200A 480/227V 3 phase electrical service


                                       13
<PAGE>   14
                                   EXHIBIT C

                                 RENT SCHEDULE

<TABLE>
<CAPTION>
Lease Year                        Annual Rent               Monthly Rent
- ----------                        -----------               ------------
<S>                               <C>                       <C>
(1) 09/01/96 - 08/31/97           $396,040.00               $33,003.38*
(2) 09/01/97 - 08/31/98           $396,040.00               $33,003.38
(3) 09/01/98 - 08/31/99           $396,040.00               $33,003.38
(4) 09/01/99 - 08/31/00           $396,040.00               $33,003.38
(5) 09/01/00 - 08/31/01           $396,040.00               $33,003.38
(6) 09/01/01 - 08/31/02           $396,040.00               $33,003.38
(7) 09/01/02 - 08/31/03           $396,040.00               $33,033.38
</TABLE>



*The first month's rent will be $16,003.38. If the Commencement Date under the
Lease is not September 1, 1996, then the beginning and end of each Lease Year
shall be adjusted accordingly so that each of the seven Lease Years will always
be a full calendar year. Rent for any period which is less than as full calendar
month shall be prorated accordingly.


                                       14
<PAGE>   15
                                    EXHIBIT D

                      ENVIRONMENTAL REPORTS AND INFORMATION

                          205 Burlington Road, Bedford

11/15/90        Goldberg-Zoino Associates, Inc. Report to Pre-Owned Electronics,
                Inc.

9/12/90         Goldberg-Zoino Associates, Inc. Report to Pre-Owned Electronics,
                Inc. (GZA File No. 12190).

6/21/90         Clean Harbors "Results of Laboratory Analysis for Groundwater
                Samples Collected at the Walford Company, 205 Burlington Road,
                Bedford, Massachusetts. CHE Job No. E1459."

8/9/89          Clean Harbors Letter Report (no title)

2/1/89          Clean Harbors Letter Report (no title)

12/15/88        Clean Harbors Letter Report concerning the additional work
                undertaken to remove the remaining oil beneath the building at
                205 Burlington Road, Bedford, Massachusetts.

Sept., 1988     Clean Harbors Report (Insert Title)

5/5/87          DEQE Notice of Responsibility letter to the John Aitken Company,
                requiring remedial response actions including, at a minimum, the
                investigation and assessment of site conditions.




                                       15

<PAGE>   1
     CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES
           AND EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.

                                                                   EXHIBIT 10.2

                             Amendment No. 2 to the
                    License and Development Agreement Between
                   SHIVA CORPORATION and MICROSOFT CORPORATION

This Amendment No. 2 is made and entered into by and between MICROSOFT
CORPORATION ("MS") and SHIVA CORPORATION ("COMPANY") this 27th day of June, 1996

                                    Recitals

The parties have entered into that certain License and Development Agreement
dated March 4, 1994 and Amendment dated June 30, 1995 (collectively the
Agreement); and

The parties hereby agree to amend the Agreement as follows:

                                    Amendment

1.   Capitalized terms shall have the same meaning as set forth in the
     Agreement, except as otherwise provided.

2.   Section 3 is modified as follows:

     (a) the delivery date for the ********************* is extended from
         October 1, 1995 to April 1, 1996;

     (b) a new delivery date is added: ********************************** due
         July 1, 1996.

3.   Section 5 is deleted in its entirety and replaced with the following:

     "5. Effective April 1, 1996, COMPANY shall provide MS support for the *****
      *************** of the Licensed Software under the terms described in
      Exhibit F. COMPANY shall provide corrections to and other support for the
      **************** of the Licensed Software to MS *********************
      ***************************************************************."

4.   The attached Exhibit F is added to the Agreement and is incorporated herein
     by reference.

5.   This Amendment shall amend, modify and supersede to the extent of any
     inconsistencies, the provisions of the Agreement. Except as expressly
     amended by this Amendment, the Agreement shall remain in full force and
     effect.

          IN WITNESS WHEREOF, the parties have executed this Amendment to the
     Agreement as of the date set forth above. All signed copies of this
     Amendment to the Agreement shall be deemed originals. This Amendment does
     not constitute an offer by MS. This Amendment shall be effective upon
     execution on behalf of COMPANY and MS by their duly authorized
     representative.

     MICROSOFT CORPORATION                      SHIVA CORPORATION

     By: /s/ Brian Valentine                    By: /s/ Cynthia M. Deysher
        -------------------------------------      ----------------------------
     Name (Print): Brian Valentine              Name (Print): Cynthia M. Deysher
     Title: General Mgr., Exchange Prod. Unit   Title: Sr. Vice President
     Date: 7/11/96                              Date: 6/27/96



<PAGE>   2

                                    EXHIBIT F
                                     SUPPORT

Definitions

"Version" shall mean a binary version of the Licensed Software designated by a
numeric identification of the form "N.M" where "N" designates the Version
identification.

"Revision" shall mean a release of the binary version of the Licensed Software
incorporating corrections and minor enhancements. A Revision is designated by a
numeric identification of the form "N.M" where "M" designates the Revision
identification.

"Documentation" shall mean any printed manuals, on-line help, and release notes
provided with the Licensed Software, as more particularly described in Exhibit
B.

All other terms shall be interpreted in accordance with the definitions as set
forth in the Agreement.

SUPPORT OBLIGATIONS OF MS

MS shall review all reported problems in MS's Other Products(s) to determine
whether the reported problem is attributable to the Licensed Software or the
Other Product(s). If MS determines that a problem exists in the Licensed
Software (i.e. that the Licensed Software does not perform in accordance with
the Documentation for the Licensed Software), MS shall use all reasonable
efforts to resolve the problem themselves. If MS is unable to resolve the
problem then MS may submit the problem to COMPANY for resolution.

If MS submits a problem to COMPANY for resolution, MS shall do so by submitting
to COMPANY: (i) if possible, a sample program separate from MS's Other Product,
which, when executed in conjunction with the Licensed Software, clearly
illustrates the problem with such Licensed Software, and (ii) a detailed
description of the problem. MS and COMPANY shall prioritize any such problem
submitted to COMPANY for resolution in accordance with the hierarchy described
below. MS shall supply any additional information reasonably requested by
COMPANY and MS shall make its support personnel available to assist in the
problem identification and resolution.

Any Problem submitted to COMPANY for resolution must be referred to COMPANY's
online support group by MS's Primary Support Liaison. Similarly, COMPANY's
response to a problem submitted by MS will be conveyed only by COMPANY's on-line
support group to MS's Primary Support Liaison. However, in the event that MS's
Primary Support Liaison is unavailable, MS's Alternate Support Liaison may
substitute in place of MS's Primary Support Liaison. The Support Liaison shall
be the persons identified below. A Support Liaison may be changed upon
reasonable notice to COMPANY.

BOTH THE MS'S PRIMARY AND SECONDARY SUPPORT LIAISONS MUST ATTEND THE TRAINING
DESCRIBED ABOVE. Unless both COMPANY and MS agree otherwise.


MS's Primary Support 
Liaison l:  Glenn Meacham             Liaison 2: Shannon McMorris
            (206) 704-5766                       (214) 756-7000

MS's Alternate Support Liaison:   Sid Siddiqui
                                  (206) 704-5386

PROBLEM HIERARCHY
The following hierarchy SHALL BE USED IN CLASSIFYING PROBLEMS:


<PAGE>   3
CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND 
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.



PROBLEM
LEVEL     DESCRIPTION OF PROBLEM
- -----     ----------------------

CRITICAL        End-user is unable to use or install the product, resulting in
                critical impact on operations. For example: Data is corrupted;
                no obvious work around; requires program or design changes;
                causes a system failure; corrupts operating system or hardware.

SERIOUS         End-user is able to use the product but is severely restricted.
                For example: Causes program failure; work around is awkward or
                inefficient; misleading output. System crashes may also be
                classified as serious if caused by an unusual or unlikely set of
                commands.

MEDIUM          End-user can use the product with limitations that are not
                critical to overall operations. For example: The work around is
                acceptable and does not seriously impact operations; prevents a
                user from using preferable procedure; confusing interface;
                externals not affected. Low End-user can circumvent the problem 
                and use the product with only slight inconvenience. For
                example:  The work around becomes the permanent solution;
                correct use is  obvious.

SUPPORT OBLIGATIONS OF COMPANY

Support for MS's technical and customer service support personnel:

MS will provide the first line of technical support to its customers for both
the Licensed Software and Other Products(s). COMPANY will provide MS with direct
technical telephone support. The fee for the first 12 months is ********** for
Maintenance and Support with subsequent renewal terms at a rate of ******* per
year. This support includes:

- - Guaranteed call back within *******
- - Toll free 800[pound sign]
- - Available 9am to 8pm access (EST), Monday - Friday, COMPANY Holidays excluded
- - MS can designate up to 2 primary contacts and an alternate 
- - MS can submit less critical incidents via E-mail or Fax
  - [email protected] (Must be accompanied by Contract Number) 
  - Fax - 617-270-8337 
  - Guaranteed one business day response
- - ** Support Incidents annually
- - COMPANY will provide a fax number to MS for support purposes

COMPANY's support obligations hereunder shall be limited to responding to a
problem in the Licensed Software as follows:

CRITICAL PROBLEM: COMPANY shall use reasonable efforts to acknowledge (i.e.
calling MS back to scope and define the problem and make a first attempt at
problem resolution) within **************** and provide a response (i.e.
making further attempts to resolve the problem; this may include exchange of
code and documentation of trouble shooting work completed) within *************
and a full solution within ************** days of receiving problem referral
from MS. If a solution cannot reasonably be provided within *************** of
receiving problem referral, COMPANY shall develop and present a plan to MS to
provide a solution as soon as reasonably practicable.

SERIOUS PROBLEM: COMPANY shall use reasonable efforts to acknowledge within ***
*********** and provide a response within **************** and a full solution
within **************** of receiving problem referral from MS. If a solution
cannot reasonably be provided within ********** of receiving problem referral,
COMPANY shall develop and present a plan to MS to provide a solution as soon as
reasonably practicable.



<PAGE>   4
CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND 
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.


MEDIUM OR LOW PROBLEM: COMPANY shall *********************************** either 
as a correction or in a subsequent Revision of the Licensed Software. After the
expiration of this Agreement, subsequent Revisions will be provided to MS in
order for MS to support its customers as long as a support agreement is in place
between MS and COMPANY.

ESCALATION CHANNEL

In the event the above guidelines are not met or are at risk of not being met,
the support issue will be escalated as follows:

- - Technical Support             Manager Michael Knox      (617) 270-8449

- - V.P. Customer Service         Rich Lanchantin           (617) 270-8868

In addition, when the assigned Microsoft Support representative or Microsoft
Management are concerned about the progress being made on a particular support
issue, the above escalation channel should be used.

Incident Reporting

A summary report of activity will be provided to Microsoft's Support
Representative on a Quarterly basis. The format will consist of the following
information:

- - Case Number
     - COMPANY's internal tracking number. Provided to Microsoft for each
       incident opened with COMPANY Technical Support
- - Open Date
     - Original Date the incident was opened in COMPANY Technical Support
- - Severity
     - Severity Level of Incident
- - Status
     - Current status. Research, Followup, Engineering
- - Brief Description
- - Complete Date
     - Date Case was closed.
- - Solution Description
     - Details of steps used to solve problem.

COMPANY shall have **********************************************************
*************************************************************************
**************************************************************************
***********************************************************************.

COMPANY shall have ************************************************************
******************************************************************************
***************************************************************************
*******.

COMPANY shall provide support for the Licensed Software until ***************
after the termination of the Agreement.


<PAGE>   1

CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.


                                                                   EXHIBIT 10.3

                             FIRST AMENDMENT TO THE
                        DEVELOPMENT AND LICENSE AGREEMENT
                    EFFECTIVE AS OF DECEMBER 30, 1994 BETWEEN
                                SHIVA CORPORATION
                                       AND
                             HEWLETT-PACKARD COMPANY



This first amendment to the Development and License Agreement dated December 30,
1994 between Shiva Corporation, a Massachusetts corporation having a principal
place of business at 28 Crosby Drive, Bedford, Massachusetts ("Shiva") and
Hewlett-Packard Company, a California corporation having a place of business at
8000 Foothills Boulevard, Roseville, CA 95747-6588 ("HP") ("the Prior
Agreement") is hereby entered into as of June 28, 1996. Capitalized terms used
herein and not otherwise defined shall have the meanings set forth in the Prior
Agreement. Except as expressly stated in this Amendment, the terms of the Prior
Agreement will continue in full force and effect.

For good and valuable consideration, Shiva and HP hereby amend the Prior
Agreement as follows:

1.      Paragraph 10.1.1 is amended as follows:

For the SECOND and THIRD ROYALTY PERIODS, **********************************
*******************************************************************************
****************************************************************************
*****************************************************************************
*******************************************************.

2.      Paragraph 10.1.3 is not applicable for the SECOND and THIRD ROYALTY
PERIODS.


IN WITNESS WHEREOF, a duly authorized representative of each party hereto has
executed this First Amendment as of the date first set forth above.


SHIVA CORPORATION                            HEWLETT-PACKARD COMPANY


By: /s/ WOODY BENSON                         By: /s/ JANIS JASINSKY

Print: Woody Benson                          Print: Janis Jasinsky

Title: Senior Vice President                 Title: Controller -- WND HP

Date: June 28, 1996                          Date: June 28, 1996




<PAGE>   1
CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION.  ASTERISKS DENOTED SUCH OMISSIONS.

                                                                    EXHIBIT 10.4



                                                        3/15/96

Dear Mickey:

We have prepared this agreement to permit Shiva and Nortel to amend the
Shiva/Nortel Agreement, effective May 15, 1995 as follows:

Non-refundability of prior development expenses

<TABLE>
Nortel agrees to amend Section 13.5 of the original agreement *****.  Nortel 
and Shiva agree to the following schedule as a substitute for the original 
repayment language.

<CAPTION>

 Amount         Event/Deliverable                               Status of amount paid
 ------         -----------------                               ---------------------

 <S>            <C>                                             <C>
 *****          Signature of both parties on this letter        ********** upon occurrence of event
                agreement

 *****          Shiva's delivery of ********************        ********** upon supply of deliverable,
                ****************************************        provided that such delivery occurs no later than
                **********************                          *****

 *****          Shiva's delivery of ********************        ********** upon supply of deliverable,
                ****************************************        provided that such delivery occurs no later than
                **********************                          *****

 *****          Shiva's interim delivery of *************       ********** upon Nortel's acceptance of 
                ****************************************        delivery, currently planned for *****

 *****          Shiva's delivery of *************               ********** upon Nortel's acceptance of 
                                                                delivery, currently planned for *****

 *****          Shiva's delivery of*************                ********** upon Nortel's acceptance of 
                                                                delivery, currently planned for *****

</TABLE>



<PAGE>   2
CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION.  ASTERISKS DENOTED SUCH OMISSIONS.

        Volume Commitment and Termination Clause:
        -----------------------------------------

        Both Shiva and Nortel agree to cancel **********.

        If this letter agreement is consistent with your understanding of the
        changes that we have agreed to, please have the appropriate Nortel
        signatory execute one copy of the amending letter and return to my
        attention.  You can retain an original with my signature for your 
        files.  If changes need to be made, please phone or email me.

        Very truly yours,

        /s/ Ed Gregory

        Agreed to for Nortel by:


        Signature /s/ Micky Tsui        Date  3/19/96

        Print Name    Micky Tsui














<PAGE>   1
                                                          Exhibit 10.5
                                                          ------------

CONFIDENTIAL MATERIAL OMITTED AND FILED SEPERATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.

                                   AMENDMENT 1
                             Shiva/Nortel Agreement
                                    05/16/96

This First Amendment to the agreement dated as of 15 May 1995 (the "Agreement")
is made as of the 16th day of May 1996, by and between Northern Telecom Limited
("Nortel"), on behalf of itself and its Affiliates (as defined in the
Agreement), a Canadian corporation having its principal place of business at
2920 Matheson Blvd. East, Mississauga, Ontario, Canada, and Shiva Corporation
("Shiva"), a Massachusetts corporation having its principal place of business at
28 Crosby Drive, Bedford, MA 01730 USA.

WHEREAS, Nortel and Shiva want to amend the Agreement to reflect the following
changes to the original Agreement;

OEM ******** Amendments

1. *********************************************************************will be
added to the Agreement. ************************************************* in the
United States and ***************** markets.

2. Shiva will sell *************************************************************
*********************.

NOW, THEREFORE, the parties agree to amend the Agreement as follows,

1.0  Definitions

1.1  New Definitions. In addition to the terms defined in the Agreement, each of
     the following additional terms shall have the meaning ascribed to it below:

     1.1.1  ***************************************************************** *
            *********************************************************
            ***************************.

     1.1.2  ********************************************************************
            ************;

     1.1.3  ***************************************************************** *
            ***********************************************.

     1.1.4  ********************************************************************
            ************************;

     1.1.8  ********************************************************************
            ***********************************.

1.2  Altered Definitions. The following term defined in the Agreement shall now
     have the meaning ascribed to it below:


<PAGE>   2

CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.


     1.2.1          ************************************************************
            ************************************************************.

1.3  Currency. All currency amounts in the Agreement are denominated in US
     dollars unless otherwise specified.

2.0  ************* of the OEM ********

2.1  Shiva's Obligations. ******************************************************
     ***************************************************************************
     ***************************************************************************
     ***************************************************************************
     ***********************:

     1.   Shiva and Nortel agreed upon both a  *******************************
          and

     2.   Shiva and Nortel have agreed upon the ********************************
          **********************************************************************
          **********************************************************************
          **********************************************************************
          ********************.

          Days Delayed ************                       *******************
               ******
           ********                                       **
          **********                                      **
           *********                                      ***

          Once Shiva delivers the Nortel Software Stream to Nortel, the above
          *********************** ********************** does not apply.

2.2  Nortel's Obligations.******************************************************
     ************************.

2.3  Ownership of the OEM ******************************************************
     **************************************************** For the purpose of 
     this Amendment, ********************************************************* *
     ************************************************************************* *
     ***************************************************************************
     **************************.

     ***************************************************************************
     ***************************************************************************
     ***************************************************************************
     ***************************************************************************
     ******************.

2.4  ***************************************************************************
     ***************************************************************************
     ***************************************************************************
     ***************************************************************************
     ******************.

<PAGE>   3

CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.


2.5  General Pricing of *********. All other pricing terms in the Agreement 
     shall apply to purchase of ***************************.

3.0  General Changes to Agreement.

     3.1  Exhibit P.  Exhibit P is added to the Agreement.
     3.2  Exhibit Q.  Exhibit Q is added to the Agreement.

     3.3  Other Terms. Except as set forth above, all other terms and conditions
          of the Agreement remain unchanged.


IN WITNESS of this First Amendment to the Agreement the parties have executed
this document on the dates set forth below.

SHIVA CORPORATION                          NORTHERN TELECOM LIMITED

Signature: /s/ Cynthia Deysher             Signature: /s/ Mike Ennis
        
Name:  Cynthia Deysher                     Name:   Mike Ennis

Title:  Sr. VP Finance & Administration    Title:  Group VP
        and CFO

Signature: /s/ M. Elizabeth Potthoff       Signature: /s/ David Archibald

Name:    M. Elizabeth Potthoff             Name: David Archibald

Title:   General Counsel                   Title:  VP and Deputy General Counsel


<PAGE>   4

CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.


                                               Exhibit P
                                             OEM *********

See Nortel *********** for a description of deliverables including requirements
for ****************************************.  The provisions of the  **********
*** are incorporated into this First Amendment with the following modifications
in addition to such modifications as are inherent in the provisions of the body
of the Agreement.

1.0  Delivery and Payment Schedule.

     Nortel agrees to make the following payments to Shiva on the achievement***
************************************************************************
********.

Milestone                               Target Date             Payment
- ---------                               -----------             -------

Amendment Execution                     *****************        ******

Delivery and Acceptance ******          ******************      *******
**********************

Delivery and acceptance by Nortel       ****************        *******
*******************

Acceptance by Nortel ****************   *****************       *******
****************

Acceptance by Nortel *************      ***                     *******
*****************************
***************

Acceptance by Nortel ****               ***                     *******
*********************

Total                                                           ********

2.0  Certification/Homologation. Deliverables for the **************************
**************** pursuant to Exhibit K of the Agreement that are covered in the
payment schedule in Section 1.0 of this exhibit.

3.0  Delivery. Delivery of the ************ product *********************
*****************************************************************************
********************************************************************************
*********.

4.0  Documentation.  Shiva will delivery **************************. Shiva will
also deliver ***************************************.  Nortel will *************
**************************************************************************
********************************************************************************
*********************.


<PAGE>   5
CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION. ASTERISKS DENOTE SUCH OMISSIONS.

5.0  Acceptance Criteria for OEM ********.

Nortel will accept the product in two stages:

Stage 1:       *************************************

Stage 2:       ****************************

Nortel will accept the product based on the following criteria for Stage 1 and
Stage 2 and other future deliverables as per the milestone schedule:

*************************:
- - *************:
*****************************
- - *******:
*************************************************************************
- - ********:
******************************************************************************
- - ********:
***************************************************
- - *********:
*****************************
- - *************:
********************************************************************************
- - *************************:
*****************************************************
- - *************:
******************************************************************************.












<PAGE>   6

CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND
EXCHANGE COMMISSION.

                                    Exhibit Q

                               Nortel ***********

                                  Project Plan

     The contents of pages 1 through 9 of Exhibit Q consist of confidential
                  information which has been omitted and filed
             separately with the Securities and Exchange Commission


<PAGE>   1
                                                                    EXHIBIT 11.0



                                SHIVA CORPORATION
<TABLE>
                                       COMPUTATION OF NET INCOME PER SHARE(1)
<CAPTION>



                                           Three months ended                 Six months ended
                                       ---------------------------      ----------------------------
                                         June 29,        July 1,          June 29,         July 1,
                                           1996          1995(2)            1996           1995(2)
                                       -----------     -----------      -----------      -----------

<S>                                    <C>             <C>              <C>              <C>        
Weighted Average Common and
  Common Equivalent Shares:

Weighted Average Common Shares
  Outstanding During the Period         28,541,041      24,025,223       28,185,953       23,965,064

Weighted Average Common
  Equivalent Shares                      3,525,482       3,004,852        3,109,845        3,080,315
                                       -----------     -----------      -----------      -----------
                                        32,066,523      27,030,075       31,295,798       27,045,379
                                       ===========     ===========      ===========      ===========

Net Income                             $ 4,975,000     $   973,000      $ 9,314,000      $ 2,355,000

Primary Net Income Per Share           $      0.16     $      0.04      $      0.30      $      0.09
<FN>




(1)  Fully diluted net income per share has not been separately presented, as the amounts would not
     be materially different from primary net income per share.

(2)  Retroactively adjusted to reflect the one-for-one stock dividend on all shares of the Company's
     common stock declared by the Company's Board of Directors on April 2, 1996. The stock dividend
     was paid on April 22, 1996, to all stockholders of record on April 12, 1996.

</TABLE>


<TABLE> <S> <C>


<ARTICLE> 5
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-28-1996
<PERIOD-START>                             DEC-31-1995
<PERIOD-END>                               JUN-29-1996
<EXCHANGE-RATE>                                      1
<CASH>                                           95233
<SECURITIES>                                      4992
<RECEIVABLES>                                    42201
<ALLOWANCES>                                      5941
<INVENTORY>                                      11852
<CURRENT-ASSETS>                                152075
<PP&E>                                           31667
<DEPRECIATION>                                   13296
<TOTAL-ASSETS>                                  176238
<CURRENT-LIABILITIES>                            34193
<BONDS>                                            235
                                0
                                          0
<COMMON>                                           285
<OTHER-SE>                                      140897
<TOTAL-LIABILITY-AND-EQUITY>                    176238
<SALES>                                          94794
<TOTAL-REVENUES>                                 94794
<CGS>                                            38782
<TOTAL-COSTS>                                    38782
<OTHER-EXPENSES>                                 44149
<LOSS-PROVISION>                                   338
<INTEREST-EXPENSE>                                 298
<INCOME-PRETAX>                                  13896
<INCOME-TAX>                                      4582
<INCOME-CONTINUING>                               9314
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                      9314
<EPS-PRIMARY>                                      .30
<EPS-DILUTED>                                      .30
        

</TABLE>


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