Document:

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EXHIBIT 10.52

August 5, 2002

Kevin Helmbacher, Esq.
232 Pacific View Lane
Encinitas, CA 92024

Dear Kevin:

As you are aware, Corvas has had to reevaluate its ongoing research and
development efforts which has resulted in a Company-wide reduction in force.
Unfortunately, your position has been eliminated through this restructuring.

In consideration of your service to the Company and to assist you in your job
search, we are offering you a separation agreement which provides certain
benefits beyond those to which you are normally entitled.

This SEPARATION AGREEMENT ("Agreement") is made and entered into by and between
you and CORVAS INTERNATIONAL, INC. ("the Company"). You shall have seven days
following the date of this Agreement to consider and return a fully executed
original of the Agreement to the Company. This Agreement shall become effective
immediately upon execution by you (the "Effective Date").

NOW, THEREFORE, in consideration of the mutual promises and covenants contained
herein, it is hereby agreed by and between the parties hereto as follows:

1.       SEPARATION DATE. On July 31, 2002("Separation Date"), you shall cease
         to be an employee of the Company for all purposes.

2.       ACCRUED SALARY AND ACCRUED TIME OFF. On or about the Separation Date,
         the Company will pay you all accrued salary, and all accrued and unused
         vacation and paid personal leave (PPL), if any, subject to standard
         payroll deductions and withholdings. You are entitled to these payments
         regardless of whether or not you sign this Agreement.

3.       EXPENSE REIMBURSEMENT. Within thirty (30) business days of your
         Separation Date, you agree that you will submit your final documented
         expense reimbursement statement reflecting all business expenses you
         incurred prior to and including the Separation Date, if any, for which
         you seek reimbursement. The Company shall reimburse your expenses
         pursuant to Company policy and regular business practice.

4.       EMPLOYMENT SEARCH SUPPORT. Commencing on the Separation Date, the
         Company will provide you offsite employment search support through
         Drake Beam Morin, Inc. for a period of six months as outlined in
         Exhibit A attached hereto.

                                       1.
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5.       SEVERANCE PAYMENTS. In exchange for the promises and covenants set
         forth herein and in consideration thereof, the Company agrees to pay
         you severance equivalent to nine (9) months of pay at your current base
         salary, subject to standard payroll deductions and withholdings. The
         severance payments will be made in the form of continuing payments from
         the Effective Date through April 30, 2003 (the "Severance Period").
         These payments will be made on the Company's ordinary payroll dates,
         and will be subject to standard payroll deductions and withholdings.
         However, contributions to your 401(k) account, Section 125
         reimbursement account, supplemental or dependent life insurance or the
         Company's Employee Stock Purchase Plan will not be allowed.

6.       INSURANCE BENEFITS. During the Severance Period, medical, dental, and
         vision insurance coverage for you and your currently insured dependents
         will be extended at the Company's expense, however, the Company shall
         continue to deduct from your severance payments an amount equal to your
         current insurance benefit premium contribution. In the event you become
         eligible for benefits under another plan(s) prior to the expiration of
         the Severance Period, the Company shall no longer be obligated to pay
         such benefit premiums. It is your responsibility to notify the Company
         once you become eligible under another plan. To the extent provided by
         the federal COBRA law or, if appicable, state insurance laws, and by
         the Company's current group health insurance policies, you will be
         eligible to continue your health insurance benefits following the
         Severance Period at your own expense. Later you may be able to convert
         to an individual policy through the provider of the Company's health
         insurance, if you wish. You will be provided with a separate notice of
         your COBRA rights.

7.       STOCK OPTIONS. Pursuant to the Company's 1991 Incentive and
         Compensation Plan, and 2000 Equity Incentive Plan, vesting under any
         stock compensation award (e.g., incentive stock option, nonqualified
         stock option, or stock purchase agreement) from the Company shall cease
         on the Separation Date. Your rights to exercise any vested shares will
         be as set forth under the applicable plan and any Stock Option
         Agreements.

8.       OTHER COMPENSATION AND BENEFITS. Except as expressly provided herein,
         you acknowledge that you will not receive (nor are entitled to receive)
         any additional compensation, severance, stock options, stock or
         benefits from the Company.

9.       RETURN OF COMPANY PROPERTY. By the Separation Date, you will return to
         the Company all Company documents (and all copies thereof) and other
         Company property and materials in your possession, or control,
         including, but not limited to, Company files, notes, memoranda,
         correspondence, lists, drawings, records, plans and forecasts,
         financial information, personnel information, customer and customer
         prospect information, product development and pricing information,
         specifications, computer-recorded information, tangible property,
         equipment, credit cards, entry cards, identification badges and keys;
         and any materials of any kind which contain or embody any proprietary
         or confidential information of the Company (and all reproductions
         thereof).

10.      PROPRIETARY INFORMATION OBLIGATIONS. You acknowledge that nothing
         herein shall impair the covenants and obligations set forth in your
         Employment Agreement, a copy of which is attached hereto as Exhibit B.
         Pursuant to the Employment Agreement you understand that you must not
         use or disclose any confidential or proprietary information of the
         Company, among other things as required by the Employment Agreement.

                                       2.
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11.      NONSOLICITATION. You agree that for one (1) year following the
         Separation Date, you will not, either directly or through others,
         solicit or attempt to solicit any person (including any entity) who is
         then an employee, consultant or independent contractor of the Company
         to terminate his, her or its relationship with the Company in order to
         become an employee, consultant or independent contractor to or for any
         other person or entity.

12.      NON-DISPARAGEMENT. You and the Company agree that neither party will at
         any time disparage the other party, and the other party's officers,
         directors, employees, shareholders and agents, in any manner likely to
         be harmful to them or their business, business reputation or personal
         reputation; provided that each party shall respond accurately and fully
         to any questions, inquiry or request for information when required by
         legal process.

13.      CONFIDENTIALITY AND PUBLICITY. The existence of this Agreement and the
         provisions of this Agreement shall be held in strictest confidence by
         you and the Company and shall not be publicized or disclosed in any
         manner whatsoever; provided, however, that: (a) you may disclose this
         Agreement, in confidence to your immediate family; (b) the parties may
         disclose this Agreement in confidence to their respective attorneys,
         accountants, auditors, tax preparers, and financial advisors; (c) the
         Company may disclose this Agreement as necessary to fulfill standard or
         legally required corporate reporting or disclosure requirements; and
         (d) the parties may disclose this Agreement insofar as such disclosure
         may be necessary to enforce its terms or as otherwise required by law.

14.      YOUR RELEASE OF CLAIMS. Except as otherwise set forth in this
         Agreement, in exchange for the consideration provided to you by this
         Agreement that you are not otherwise entitled to receive, you hereby
         generally and completely release the Company and its directors,
         officers, employees, shareholders, partners, agents, attorneys,
         predecessors, successors, parent and subsidiary entities, insurers,
         affiliates, and assigns from any and all claims, liabilities and
         obligations, both known and unknown, that arise out of or are in any
         way related to events, acts, conduct, or omissions occurring prior to
         your signing this Agreement. This general release includes, but is not
         limited to: (1) all claims arising out of or in any way related to your
         employment with the Company or the termination of that employment; (2)
         all claims related to your compensation or benefits from the Company,
         including salary, bonuses, commissions, vacation pay, paid personal
         leave, expense reimbursements, severance pay, fringe benefits, stock,
         stock options, or any other ownership interests in the Company; (3) all
         claims for breach of contract, wrongful termination, and breach of the
         implied covenant of good faith and fair dealing; (4) all tort claims,
         including claims for fraud, defamation, emotional distress, and
         discharge in violation of public policy; and (5) all federal, state,
         and local statutory claims, including claims for discrimination,
         harassment, retaliation, attorneys' fees, or other claims arising under
         the federal Civil Rights Act of 1964 (as amended), the federal
         Americans with Disabilities Act of 1990, the federal Age Discrimination
         in Employment Act of 1967 (as amended), and the California Fair
         Employment and Housing Act (as amended).

                                       3.
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15.      SECTION 1542 WAIVER. You acknowledge reading and understanding Section
         1542 of the Civil Code of the State of California:

                  A GENERAL RELEASE DOES NOT EXTEND TO CLAIMS WHICH THE CREDITOR
                  DOES NOT KNOW OR SUSPECT TO EXIST IN HIS FAVOR AT THE TIME OF
                  EXECUTING THE RELEASE, WHICH IF KNOWN BY HIM MUST HAVE
                  MATERIALLY AFFECTED HIS SETTLEMENT WITH THE DEBTOR.

         You hereby expressly waive and relinquish all rights and benefits under
         that section and any law or legal principle of similar effect in any
         jurisdiction with respect to the release of unknown and unsuspected
         claims granted in this Agreement.

16.      ARBITRATION. To ensure rapid and economical resolution of any and all
         disputes that may arise in connection with the Agreement, the parties
         agree that any and all disputes, claims, causes of action, in law or
         equity, arising from or relating to this Agreement or its enforcement,
         performance, breach, or interpretation, with the sole exception of
         those disputes that may arise from your Employment Agreement , will be
         resolved by final and binding confidential arbitration held in San
         Diego, California and conducted by the American Arbitration Association
         ("AAA") under its then-existing Rules and Procedures. Nothing in this
         paragraph is intended to prevent either party from obtaining injunctive
         relief in court to prevent irreparable harm pending the conclusion of
         any such arbitration.

17.      ENTIRE AGREEMENT. This Agreement, including all exhibits, constitutes
         the complete, final and exclusive embodiment of the entire agreement
         between you and the Company with regard to the subject matter hereof.
         It supersedes any and all agreements entered into by and between you
         and the Company where such other agreement may conflict with this
         agreement. It is entered into without reliance on any promise or
         representation, written or oral, other than those expressly contained
         herein. It may not be modified except in a writing signed by you and a
         duly authorized officer of the Company. The parties have carefully read
         this Agreement, have been afforded the opportunity to be advised of its
         meaning and consequences by their respective attorneys, and signed the
         same of their own free will.

18.      MISCELLANEOUS. This Agreement shall bind the heirs, personal
         representatives, successors, assigns, executors and administrators of
         each party, and inure to the benefit of each party, its heirs,
         successors and assigns. This Agreement shall be deemed to have been
         entered into and shall be construed and enforced in accordance with the
         laws of the State of California as applied to contracts made and to be
         performed entirely within California. If an arbitrator or court of
         competent jurisdiction determines that any term or provision of this
         Agreement is invalid or unenforceable, in whole or in part, then the
         remaining terms and provisions hereof shall be unimpaired, the invalid
         or unenforceable term or provision shall be modified or replaced so as
         to render it valid and enforceable in a manner which represents the
         parties' intention with respect to the invalid or unenforceable term or
         provision insofar as possible. This Agreement may be executed in two
         counterparts, each of which shall be deemed an original, all of which
         together shall constitute one and the same instrument.

                                       4.
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Please confirm your agreement to the foregoing terms and conditions of this
Agreement by signing and returning a copy of this letter to Susan Ross on or
before July 29, 2002.

We regret having to take this action and wish you the best in your future
endeavors.

Sincerely,

CORVAS INTERNATIONAL, INC.

/s/ RANDALL E. WOODS
---------------------

Randall E. Woods
President and Chief Executive Officer

I HAVE READ AND REVIEWED THE FOREGOING, AND DO HEREBY AGREE TO ACCEPT THE TERMS
AND CONDITIONS OF THIS AGREEMENT AS STATED ABOVE.

/s/ KEVIN S. HELMBACHER                     Date: August 5, 2002
-----------------------                           --------------
Kevin Helmbacher, Esq.

                                       5.<PAGE>

                                                                   Exhibit 10.15

                           LOAN AND SECURITY AGREEMENT

                                 by and between

                               SILICON VALLEY BANK
                                3003 Tasman Drive
                              Santa Clara, CA 95054
                               Attn: Loan Services
                                 (408) 496-2429

                                       and

                             VITRIA TECHNOLOGY, INC.
                                945 Stewart Drive
                           Sunnyvale, California 94086

                        TOTAL CREDIT AMOUNT: $15,000,000

<PAGE>

                                TABLE OF CONTENTS
                                -----------------

<TABLE>
<CAPTION>
                                                                           Page
                                                                           ----
<S>                                                                        <C>
1.    ACCOUNTING AND OTHER TERMS ........................................     1

2.    LOAN AND TERMS OF PAYMENT .........................................     1

      2.1   Credit Extensions ...........................................     1
      2.2   Overadvances ................................................     2
      2.3   Interest Rate, Payments .....................................     2
      2.4   Fees ........................................................     3

3.    CONDITIONS OF LOANS ...............................................     3

      3.1   Conditions Precedent to Initial Credit Extension ............     3
      3.2   Conditions Precedent to all Credit Extensions ...............     4

4.    CREATION OF SECURITY INTEREST .....................................     4

      4.1   Grant of Security Interest ..................................     4

5.    REPRESENTATIONS AND WARRANTIES ....................................     4

      5.1   Due Organization and Authorization ..........................     4
      5.2   Collateral ..................................................     4
      5.3   Litigation ..................................................     5
      5.4   No Material Adverse Change in Financial Statements ..........     5
      5.5   Solvency ....................................................     5
      5.6   Regulatory Compliance .......................................     5
      5.7   Subsidiaries ................................................     6
      5.8   Full Disclosure .............................................     6

6.    AFFIRMATIVE COVENANTS .............................................     6

      6.1   Government Compliance .......................................     6
      6.2   Financial Statements, Reports, Certificates .................     6
      6.3   Inventory; Returns ..........................................     7
      6.4   Taxes .......................................................     7
      6.5   Insurance ...................................................     7
      6.6   Primary Accounts ............................................     7
      6.7   Registration of Intellectual Property Rights ................     7
      6.8   Control Agreements ..........................................     8
      6.9   Further Assurances ..........................................     8
</TABLE>

                                       i

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<TABLE>
<S>                                                                                <C>
      6.10   Minimum Cash ......................................................    8

7.    NEGATIVE COVENANTS .......................................................    8

      7.1    Dispositions ......................................................    8
      7.2    Changes in Business, Ownership, Management or Business Locations ..    8
      7.3    Mergers or Acquisitions ...........................................    9
      7.4    Indebtedness ......................................................    9
      7.5    Encumbrance .......................................................    9
      7.6    Distributions; Investments ........................................    9
      7.7    Transactions with Affiliates ......................................    9
      7.8    Subordinated Debt .................................................    9
      7.9    Compliance ........................................................    9

8.    EVENTS OF DEFAULT ........................................................   10

      8.1    Payment Default ...................................................   10
      8.2    Covenant Default ..................................................   10
      8.3    Material Adverse Change ...........................................   10
      8.4    Attachment ........................................................   10
      8.5    Insolvency ........................................................   11
      8.6    Other Agreements ..................................................   11
      8.7    Judgments .........................................................   11
      8.8    Misrepresentations ................................................   11
      8.9    Guaranty ..........................................................   11

9.    BANK'S RIGHTS AND REMEDIES ...............................................   11

      9.1    Rights and Remedies ...............................................   11
      9.2    Power of Attorney .................................................   12
      9.3    Accounts Collection ...............................................   12
      9.4    Bank Expenses .....................................................   13
      9.5    Bank's Liability for Collateral ...................................   13
      9.6    Remedies Cumulative ...............................................   13
      9.7    Demand Waiver .....................................................   13

10.   NOTICES ..................................................................   13

11.   CHOICE OF LAW, VENUE AND JURY TRIAL WAIVER ...............................   13

12.   GENERAL PROVISIONS .......................................................   14

      12.1   Successors and Assigns ............................................   14
      12.2   Indemnification ...................................................   14
      12.3   Time of Essence ...................................................   14
</TABLE>

                                       ii

<PAGE>

<TABLE>
<S>                                                                           <C>
      12.4   Severability of Provision ..................................     14
      12.5   Amendments in Writing, Integration .........................     14
      12.6   Counterparts ...............................................     15
      12.7   Survival ...................................................     15
      12.8   Confidentiality ............................................     15
      12.9   Attorneys' Fees, Costs and Expenses ........................     15

13.   DEFINITIONS .......................................................     15

      13.1   Definitions ................................................     15
</TABLE>

                                      iii

<PAGE>

This LOAN AND SECURITY AGREEMENT dated June 28, 2002, between SILICON VALLEY
BANK ("Bank"), whose address is 3003 Tasman Drive, Santa Clara, California 95054
and VITRIA TECHNOLOGY, INC., a Delaware corporation ("Borrower"), whose address
is 945 Stewart Drive, Sunnyvale, California 94086 provides the terms on which
Bank will lend to Borrower and Borrower will repay Bank. The parties agree as
follows:

1.       ACCOUNTING AND OTHER TERMS.

         Accounting terms not defined in this Agreement will be construed
following GAAP. Calculations and determinations must be made following GAAP. The
term "financial statements" includes the notes and schedules. The terms
"including" and "includes" always mean "including (or includes) without
limitation," in this or any Loan Document.

2.       LOAN AND TERMS OF PAYMENT

2.1      Credit Extensions.

         Borrower will pay Bank the unpaid principal amount of all Credit
Extensions and interest on the unpaid principal amount of the Credit Extensions.

2.1.1    Revolving Advances.

         (a) Bank will make Advances not exceeding the Committed Revolving Line
minus: (i) the outstanding commitments under the Cash Management Services, minus
(ii) the amount of all outstanding Letters of Credit (including drawn but
unreimbursed Letters of Credit), and minus (iii) the FX Reserve. Amounts
borrowed under this Section may be repaid and reborrowed during the term of this
Agreement.

         (b) To obtain an Advance, Borrower must notify Bank by facsimile or
telephone by 12:00 noon P.S.T. on the Business Day the Advance is to be made.
Borrower must promptly confirm the notification by delivering to Bank the
Payment/Advance Form attached as Exhibit B. Bank will credit Advances to
Borrower's deposit account. Bank may make Advances under this Agreement based on
instructions from a Responsible Officer or his or her designee or without
instructions if the Advances are necessary to meet Obligations which have become
due. Bank may rely on any telephone notice given by a person whom Bank believes
is a Responsible Officer or designee. Borrower will indemnify Bank for any loss
Bank suffers due to such reliance.

         (c) The Committed Revolving Line terminates on the Revolving Maturity
Date, when all Advances, accrued and unpaid interest and any other amounts due
hereunder are immediately payable.

2.1.2    Letters of Credit Sublimit.

         Bank will issue or have issued Letters of Credit for Borrower's account
not exceeding the Committed Revolving Line (i) the outstanding principal balance
of the Advances minus, (ii) the Cash Management Sublimit, minus (iii) the FX
Reserve; however, the face amount of

                                        1

<PAGE>

outstanding Letters of Credit (including drawn but unreimbursed Letters of
Credit) may not exceed $15,000,000. Each Letter of Credit will have an expiry
date of no later than 180 days after the Revolving Maturity Date, but at any
time after the Revolving Maturity Date or the termination of this Agreement
Borrower's reimbursement obligation will be secured by cash by either of the
following: (i) a certificate of deposit maintained at Bank in an amount of no
less than an amount equal to 100% of the face amount of any issued and
outstanding Letters of Credit (including drawn but unreimbursed Letters of
Credit) or (ii) investment accounts pledged to Bank (pursuant to a control
agreement in form and substance satisfactory to Bank) in an amount of no less
than 115% of the face amount of any issued and outstanding Letters of Credit
(including drawn but unreimbursed Letters of Credit). Borrower agrees to execute
any further documentation in connection with the Letters of Credit as Bank may
reasonably request.

2.1.3    Foreign Exchange Sublimit.

         If there is availability under the Committed Revolving Line then
Borrower may enter in foreign exchange forward contracts with the Bank under
which Borrower commits to purchase from or sell to Bank a set amount of foreign
currency more than one business day after the contract date (the "FX Forward
Contract"). Bank will subtract 10% of each outstanding FX Forward Contract from
the foreign exchange sublimit which is a maximum of $1,500,000 (the "FX
Reserve"). The total FX Forward Contracts at any one time may not exceed 10
times the amount of the FX Reserve. Bank may terminate the FX Forward Contracts
if an Event of Default occurs.

2.1.4    Cash Management Services Sublimit.

         If there is availability under the Committed Revolving Line, Borrower
may use up to $15,000,000 for Bank's Cash Management Services, which may include
merchant services, direct deposit of payroll, business credit card, and check
cashing services identified in various cash management services agreements
related to such services (the "Cash Management Services"). All amounts Bank pays
for any Cash Management Services will be treated as Advances under the Committed
Revolving Line.

2.2      Overadvances.

         If Borrower's Obligations under Section 2.1.1, 2.1.2, 2.1.3 and 2.1.4
exceed the Committed Revolving Line, Borrower must immediately pay Bank the
excess.

2.3      Interest Rate, Payments.

         (a) Interest Rate. (i) Advances accrue interest on the outstanding
principal balance at a per annum variable rate equal to the Prime Rate. After an
Event of Default, Obligations accrue interest at 5 percent above the rate
effective immediately before the Event of Default. The interest rate increases
or decreases when the Prime Rate changes. Interest is computed on a 360 day year
for the actual number of days elapsed.

         (b) Payments. Interest due on the Committed Revolving Line is payable
on the first day of each month. Bank may debit any of Borrower's deposit
accounts including Account

                                        2

<PAGE>

Number ____________________________ for principal and interest payments owing or
any amounts Borrower owes Bank. Bank will promptly notify Borrower when it
debits Borrower's accounts. These debits are not a set-off. Payments received
after 12:00 noon Pacific time are considered received at the opening of business
on the next Business Day. When a payment is due on a day that is not a Business
Day, the payment is due the next Business Day and additional fees or interest
accrue.

2.4      Fees.

         Borrower will pay Bank:

         (a) Loan Fee. A loan fee in the amount of $37,500 which has been
delivered to Bank.

         (b) Letter of Credit Fee. A per annum letter of credit fee equal to
..625% of the face amount of each Letter of Credit issued plus, if Letters of
Credit are issued by a financial institution other than Bank, but guaranteed by
Bank, any fees charged by the issuing financial institution.

         (c) Bank Expenses. All Bank Expenses (including reasonable attorneys'
fees and reasonable expenses) incurred through and after the date of this
Agreement, are payable when due.

3.       CONDITIONS OF LOANS

3.1      Conditions Precedent to Initial Credit Extension.

         Bank's obligation to make the initial Credit Extension is subject to
the following conditions precedent:

         (a) receipt by Bank of the Borrower's resolution authorizing the
transaction in form and substance satisfactory to Bank;

         (b) receipt by Bank of a Negative Pledge Agreement satisfactory to
Bank, relating to Borrower's Intellectual Property;

         (c) receipt by Bank of the Loan Fee;

         (d) receipt by Bank of Borrower's insurance certificate with Lender's
loss payable endorsement reflecting Bank as loss payee;

         (e) completion of Bank's collateral audit and a satisfactory result of
the same; and

         (f) receipt by Bank of all other agreement, documents and fees that
Bank may require.

                                        3

<PAGE>

3.2      Conditions Precedent to all Credit Extensions.

         Bank's obligations to make each Credit Extension, including the initial
Credit Extension, is subject to the following:

         (a) timely receipt of any Payment/Advance Form; and

         (b) the representations and warranties in Section 5 must be materially
true on the date of the Payment/Advance Form and on the effective date of each
Credit Extension and no Event of Default may have occurred and be continuing, or
result from the Credit Extension. Each Credit Extension is Borrower's
representation and warranty on that date that the representations and warranties
of Section 5 remain true.

4.       CREATION OF SECURITY INTEREST

4.1      Grant of Security Interest.

         Borrower grants Bank a continuing security interest in all presently
existing and later acquired Collateral to secure all Obligations and performance
of each of Borrower's duties under the Loan Documents. Except for Permitted
Liens, any security interest will be a first priority security interest in the
Collateral. Bank may place a "hold" on any deposit account pledged as
Collateral. If this Agreement is terminated, Bank's lien and security interest
in the Collateral will continue until Borrower fully satisfies its Obligations.

5.       REPRESENTATIONS AND WARRANTIES

         Borrower represents and warrants as follows:

5.1      Due Organization and Authorization.

         Borrower and each Subsidiary is duly existing and in good standing in
its state of formation and qualified and licensed to do business in, and in good
standing in, any state in which the conduct of its business or its ownership of
property requires that it be qualified, except where the failure to do so could
not reasonably be expected to cause a Material Adverse Change.

         The execution, delivery and performance of the Loan Documents have been
duly authorized, and do not conflict with Borrower's formation documents, nor
constitute an event of default under any material agreement by which Borrower is
bound. Borrower is not in default under any agreement to which or by which it is
bound in which the default could reasonably be expected to cause a Material
Adverse Change.

5.2      Collateral.

         Borrower has good title to the Collateral, free of Liens except
Permitted Liens. The Accounts are bona fide, existing obligations, and the
service or property has been performed or delivered to the account debtor or its
agent for immediate shipment to and unconditional acceptance by the account
debtor. All Inventory is in all material respects of good and

                                        4

<PAGE>

marketable quality, free from material defects. Borrower is the sole owner of
the Intellectual Property, except for non-exclusive licenses granted to its
customers in the ordinary course of business. Each Patent is valid and
enforceable and no part of the Intellectual Property has been judged invalid or
unenforceable, in whole or in part, and no claim has been made that any part of
the Intellectual Property violates the rights of any third party, except to the
extent such claim could not reasonably be expected to cause a Material Adverse
Change.

5.3      Litigation.

         Except as shown in the Schedule, there are no actions or proceedings
pending or, to the knowledge of Borrower's Responsible Officers and legal
counsel, threatened by or against Borrower or any Subsidiary in which a likely
adverse decision could reasonably be expected to cause a Material Adverse
Change.

5.4      No Material Adverse Change in Financial Statements.

         All consolidated financial statements for Borrower, and any Subsidiary,
delivered to Bank fairly present in all material respects Borrower's
consolidated financial condition and Borrower's consolidated results of
operations. There has not been any material deterioration in Borrower's
consolidated financial condition since the date of the most recent financial
statements submitted to Bank.

5.5      Solvency.

         The fair salable value of Borrower's assets (including goodwill minus
disposition costs) exceeds the fair value of its liabilities; the Borrower is
not left with unreasonably small capital after the transactions in this
Agreement; and Borrower is able to pay its debts (including trade debts) as they
mature.

5.6      Regulatory Compliance.

         Borrower is not an "investment company" or a company "controlled" by an
"investment company" under the Investment Company Act. Borrower is not engaged
as one of its important activities in extending credit for margin stock (under
Regulations T and U of the Federal Reserve Board of Governors). Borrower has
complied in all material respects with the Federal Fair Labor Standards Act.
Borrower has not violated any laws, ordinances or rules, the violation of which
could reasonably be expected to cause a Material Adverse Change. None of
Borrower's or any Subsidiary's properties or assets has been used by Borrower or
any Subsidiary or, to the best of Borrower's knowledge, by previous Persons, in
disposing, producing, storing, treating, or transporting any hazardous substance
other than legally. Borrower and each Subsidiary has timely filed all required
tax returns and paid, or made adequate provision to pay, all material taxes,
except those being contested in good faith with adequate reserves under GAAP.
Borrower and each Subsidiary has obtained all consents, approvals and
authorizations of, made all declarations or filings with, and given all notices
to, all government authorities that are necessary to continue its business as
currently conducted, except where the failure to do so could not reasonably be
expected to cause a Material Adverse Change.

                                        5

<PAGE>

5.7      Subsidiaries.

         Borrower does not own any stock, partnership interest or other equity
securities except for Permitted Investments.

5.8      Full Disclosure.

         No written representation, warranty or other statement of Borrower in
any certificate or written statement given to Bank (taken together with all such
written certificates and written statements to Bank) contains any untrue
statement of a material fact or omits to state a material fact necessary to make
the statements contained in the certificates or statements not misleading. It
being recognized by Bank that the projections and forecasts provided by Borrower
in good faith and based upon reasonable assumptions are not viewed as facts and
that actual results during the period or periods covered by such projections and
forecasts may differ from the projected and forecasted results.

6.       AFFIRMATIVE COVENANTS

         Borrower will do all of the following:

6.1      Government Compliance.

         Borrower will maintain its and all Subsidiaries' legal existence and
good standing in its jurisdiction of formation and maintain qualification in
each jurisdiction in which the failure to so qualify would reasonably be
expected to cause a material adverse effect on Borrower's business or
operations. Borrower will comply, and have each Subsidiary comply, with all
laws, ordinances and regulations to which it is subject, noncompliance with
which could have a material adverse effect on Borrower's business or operations
or would reasonably be expected to cause a Material Adverse Change.

6.2      Financial Statements, Reports, Certificates.

         (a)  Borrower will deliver to Bank: (i) as soon as available, but no
later than 15 days after the last day of each month, copies of all of Borrower's
statements relating to deposit accounts and investment accounts; (ii) as soon as
available, but no later than 120 days after the last day of Borrower's fiscal
year, audited consolidated financial statements prepared under GAAP,
consistently applied, together with an unqualified opinion on the financial
statements from an independent certified public accounting firm reasonably
acceptable to Bank; (iii) within 45 days after the end of each of Borrower's
fiscal quarters but not later than 5 days after filing with the Securities and
Exchange Commission, copies of all statements, reports and notices made
available to Borrower's security holders or to any holders of Subordinated Debt
and all reports on Form 10-Q filed with the Securities and Exchange Commission;
(iv) a prompt report of any legal actions pending or threatened against Borrower
or any Subsidiary that could result in damages or costs to Borrower or any
Subsidiary of $100,000 or more; and (v) budgets, sales projections, operating
plans or other financial information Bank reasonably requests.

                                        6

<PAGE>

         (b) Within 45 days after the last day of each month, Borrower will
deliver to Bank with the monthly financial statements a Compliance Certificate
signed by a Responsible Officer in the form of Exhibit C.

         (c) Bank has the right to audit Borrower's Collateral at Borrower's
expense, but the audits will be conducted no more often than every six months
unless an Event of Default has occurred and is continuing.

6.3      Inventory; Returns.

         Borrower will keep all Inventory in good and marketable condition, free
from material defects. Returns and allowances between Borrower and its account
debtors will follow Borrower's customary practices as they exist at execution of
this Agreement. Borrower must promptly notify Bank of all returns, recoveries,
disputes and claims, that involve more than $50,000.

6.4      Taxes.

         Borrower will make, and cause each Subsidiary to make, timely payment
of all material federal, state, and local taxes or assessments and will deliver
to Bank, on demand, appropriate certificates attesting to the payment.

6.5      Insurance.

         Borrower will keep its business and the Collateral insured for risks
and in amounts, as Bank may reasonably request. Insurance policies will be in a
form, with companies, and in amounts that are satisfactory to Bank in Bank's
reasonable discretion. All property policies will have a lender's loss payable
endorsement showing Bank as an additional loss payee and all liability policies
will show the Bank as an additional insured and provide that the insurer must
give Bank at least 20 days notice before canceling its policy. At Bank's
request, Borrower will deliver certified copies of policies and evidence of all
premium payments. Proceeds payable under any policy will, at Bank's option, be
payable to Bank on account of the Obligations.

6.6      Primary Accounts.

         Borrower will maintain its primary depository and operating accounts
with Bank. In addition to its primary depository and operating accounts,
Borrower will maintain at all times no less than $20,000,000 in deposit accounts
or investment accounts at Bank or one of its affiliates.

6.7      Registration of Intellectual Property Rights.

         Borrower will register with the United States Patent and Trademark
Office or the United States Copyright Office its Intellectual Property within 30
days of the date of this Agreement, and additional Intellectual Property rights
developed or acquired including revisions or additions with any product before
the sale or licensing of the product to any third party.

                                        7

<PAGE>

         Borrower will (i) protect, defend and maintain the validity and
enforceability of the Intellectual Property and promptly advise Bank in writing
of material infringements and (ii) not allow any Intellectual Property to be
abandoned, forfeited or dedicated to the public without Bank's written consent.

6.8      Control Agreements.

         With respect to deposit accounts or investment accounts maintained at
financial institutions other than Bank, within 10 days of the opening of any
such deposit account or investment account, Borrower will execute and deliver to
Bank, control agreements in form satisfactory to Bank in order for Bank to
perfect its security interest in Borrower's deposit accounts or investment
accounts.

6.9      Further Assurances.

         Borrower will execute any further instruments and take further action
as Bank reasonably requests to perfect or continue Bank's security interest in
the Collateral or to effect the purposes of this Agreement.

6.10     Minimum Cash.

         Borrower will maintain at all times unrestricted cash and cash
equivalents (per GAAP) of no less than $90,000,000.

7.       NEGATIVE COVENANTS

         Borrower will not do any of the following without Bank's prior written
consent, which will not be unreasonably withheld:

7.1      Dispositions.

         Convey, sell, lease, transfer or otherwise dispose of (collectively
"Transfer"), or permit any of its Subsidiaries to Transfer, all or any part of
its business or property, other than Transfers (i) of Inventory in the ordinary
course of business; (ii) of non-exclusive licenses and similar arrangements for
the use of the property of Borrower or its Subsidiaries in the ordinary course
of business; or (iii) of worn-out or obsolete Equipment.

7.2      Changes in Business, Ownership, Management or Business Locations.

         Engage in or permit any of its Subsidiaries to engage in any business
other than the businesses currently engaged in by Borrower or reasonably related
thereto or have a material change in its ownership or management (other than the
sale of Borrower's equity securities in a public offering or to venture capital
investors approved by Bank) of greater than 25%. Borrower will not, without at
least 30 days prior written notice, relocate its chief executive office or add
any new offices or business locations.

                                        8

<PAGE>

7.3      Mergers or Acquisitions.

         Merge or consolidate, or permit any of its Subsidiaries to merge or
consolidate, with any other Person, or acquire, or permit any of its
Subsidiaries to acquire, all or substantially all of the capital stock or
property of another Person, except where (i) no Event of Default has occurred
and is continuing or would result from such action during the term of this
Agreement and (ii) such transaction would not result in a decrease of more than
25% of Tangible Net Worth. A Subsidiary may merge or consolidate into another
Subsidiary or into Borrower.

7.4      Indebtedness.

         Create, incur, assume, or be liable for any Indebtedness, or permit any
Subsidiary to do so, other than Permitted Indebtedness.

7.5      Encumbrance.

         Create, incur, or allow any Lien on any of its property, or assign or
convey any right to receive income, including the sale of any Accounts, or
permit any of its Subsidiaries to do so, except for Permitted Liens, or permit
any Collateral not to be subject to the first priority security interest granted
here, subject to Permitted Liens.

7.6      Distributions; Investments.

         Directly or indirectly acquire or own any Person, or make any
Investment in any Person, other than Permitted Investments, or permit any of its
Subsidiaries to do so. Pay any dividends or make any distribution or payment or
redeem, retire or purchase any capital stock.

7.7      Transactions with Affiliates.

         Directly or indirectly enter into or permit any material transaction
with any Affiliate except transactions that are in the ordinary course of
Borrower's business, on terms less favorable to Borrower than would be obtained
in an arm's length transaction with a non-affiliated Person.

7.8      Subordinated Debt.

         Make or permit any payment on any Subordinated Debt, except under the
terms of the Subordinated Debt, or amend any provision in any document relating
to the Subordinated Debt without Bank's prior written consent.

7.9      Compliance.

         Become an "investment company" or a company controlled by an
"investment company," under the Investment Company Act of 1940 or undertake as
one of its important activities extending credit to purchase or carry margin
stock, or use the proceeds of any Credit Extension for that purpose; fail to
meet the minimum funding requirements of ERISA, permit a Reportable Event or
Prohibited Transaction, as defined in ERISA, to occur; fail to comply with the
Federal Fair Labor Standards Act or violate any other law or regulation, if the
violation could reasonably

                                        9

<PAGE>

be expected to have a material adverse effect on Borrower's business or
operations or would reasonably be expected to cause a Material Adverse Change,
or permit any of its Subsidiaries to do so.

8.       EVENTS OF DEFAULT

         Any one of the following is an Event of Default:

8.1      Payment Default.

         If Borrower fails to pay any of the Obligations within 3 days after
their due date. During the additional period the failure to cure the default is
not an Event of Default (but no Credit Extension will be made during the cure
period);

8.2      Covenant Default.

         If Borrower does not perform any obligation in Section 6 or violates
any covenant in Section 7 or does not perform or observe any other material
term, condition or covenant in this Agreement, any Loan Documents, or in any
agreement between Borrower and Bank and as to any default under a term,
condition or covenant that can be cured, has not cured the default within 10
days after it occurs, or if the default cannot be cured within 10 days or cannot
be cured after Borrower's attempts within 10 day period, and the default may be
cured within a reasonable time, then Borrower has an additional period (of not
more than 30 days) to attempt to cure the default. During the additional time,
the failure to cure the default is not an Event of Default (but no Credit
Extensions will be made during the cure period).

8.3      Material Adverse Change.

         If there (i) occurs a material adverse change in the business
operations, or condition (financial or otherwise) of the Borrower; or (ii) is a
material impairment of the prospect of repayment of any portion of the
Obligations; or (iii) is a material impairment of the value or priority of
Bank's security interests in the Collateral.

8.4      Attachment.

         If any material portion of Borrower's assets is attached, seized,
levied on, or comes into possession of a trustee or receiver and the attachment,
seizure or levy is not removed in 10 days, or if Borrower is enjoined,
restrained, or prevented by court order from conducting a material part of its
business or if a judgment or other claim becomes a Lien on a material portion of
Borrower's assets, or if a notice of lien, levy, or assessment is filed against
any of Borrower's assets by any government agency and not paid within 10 days
after Borrower receives notice. These are not Events of Default if stayed or if
a bond is posted pending contest by Borrower (but no Credit Extensions will be
made during the cure period).

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<PAGE>

8.5      Insolvency.

         If Borrower becomes insolvent or if Borrower begins an Insolvency
Proceeding or an Insolvency Proceeding is begun against Borrower and not
dismissed or stayed within 30 days (but no Credit Extensions will be made before
any Insolvency Proceeding is dismissed).

8.6      Other Agreements.

         If there is a default in any agreement between Borrower and a third
party that gives the third party the right to accelerate any Indebtedness
exceeding $100,000 or that could cause a Material Adverse Change.

8.7      Judgments.

         If a money judgment(s) in the aggregate of at least $50,000 is rendered
against Borrower and is unsatisfied and unstayed for 10 days (but no Credit
Extensions will be made before the judgment is stayed or satisfied).

8.8      Misrepresentations.

         If Borrower or any Person acting for Borrower makes any material
misrepresentation or material misstatement now or later in any warranty or
representation in this Agreement or in any writing delivered to Bank or to
induce Bank to enter this Agreement or any Loan Document.

8.9      Guaranty.

         Any guaranty of any Obligations ceases for any reason to be in full
force or any Guarantor does not perform any obligation under any guaranty of the
Obligations, or any material misrepresentation or material misstatement exists
now or later in any warranty or representation in any guaranty of the
Obligations or in any certificate delivered to Bank in connection with the
guaranty, or any circumstance described in Sections 8.4, 8.5 or 8.7 occurs to
any Guarantor.

9.       BANK'S RIGHTS AND REMEDIES

9.1      Rights and Remedies.

         When an Event of Default occurs and continues Bank may, without notice
or demand, do any or all of the following:

         (a) Declare all Obligations immediately due and payable (but if an
Event of Default described in Section 8.5 occurs all Obligations are immediately
due and payable without any action by Bank);

         (b) Stop advancing money or extending credit for Borrower's benefit
under this Agreement or under any other agreement between Borrower and Bank;

                                       11

<PAGE>

         (c)  Settle or adjust disputes and claims directly with account debtors
for amounts, on terms and in any order that Bank considers advisable;

         (d)  Make any payments and do any acts it considers necessary or
reasonable to protect its security interest in the Collateral. Borrower will
assemble the Collateral if Bank requires and make it available as Bank
designates. Bank may enter premises where the Collateral is located, take and
maintain possession of any part of the Collateral, and pay, purchase, contest,
or compromise any Lien which appears to be prior or superior to its security
interest and pay all expenses incurred. Borrower grants Bank a license to enter
and occupy any of its premises, without charge, to exercise any of Bank's rights
or remedies;

         (e)  Apply to the Obligations any (i) balances and deposits of Borrower
it holds, or (ii) any amount held by Bank owing to or for the credit or the
account of Borrower;

         (f)  Ship, reclaim, recover, store, finish, maintain, repair, prepare
for sale, advertise for sale, and sell the Collateral. Bank is granted a
non-exclusive, royalty-free license or other right to use, without charge,
Borrower's labels, Patents, Copyrights, Mask Works, rights of use of any name,
trade secrets, trade names, Trademarks, service marks, and advertising matter,
or any similar property as it pertains to the Collateral, in completing
production of, advertising for sale, and selling any Collateral and, in
connection with Bank's exercise of its rights under this Section, Borrower's
rights under all licenses and all franchise agreements inure to Bank's benefit;
and

         (g)  Dispose of the Collateral according to the Code.

9.2      Power of Attorney.

         Effective only when an Event of Default occurs and continues, Borrower
irrevocably appoints Bank as its lawful attorney to: (i) endorse Borrower's name
on any checks or other forms of payment or security; (ii) sign Borrower's name
on any invoice or bill of lading for any Account or drafts against account
debtors, (iii) make, settle, and adjust all claims under Borrower's insurance
policies; (iv) settle and adjust disputes and claims about the Accounts directly
with account debtors, for amounts and on terms Bank determines reasonable; and
(v) transfer the Collateral into the name of Bank or a third party as the Code
permits. Bank may exercise the power of attorney to sign Borrower's name on any
documents necessary to perfect or continue the perfection of any security
interest regardless of whether an Event of Default has occurred. Bank's
appointment as Borrower's attorney in fact, and all of Bank's rights and powers,
coupled with an interest, are irrevocable until all Obligations have been fully
repaid and performed and Bank's obligation to provide Credit Extensions
terminates.

9.3      Accounts Collection.

         When an Event of Default occurs and continues, Bank may notify any
Person owing Borrower money of Bank's security interest in the funds and verify
the amount of the Account. Borrower must collect all payments in trust for Bank
and, if requested by Bank, immediately deliver the payments to Bank in the form
received from the account debtor, with proper endorsements for deposit.

                                       12

<PAGE>

9.4      Bank Expenses.

         If Borrower fails to pay any amount or furnish any required proof of
payment to third persons, Bank may make all or part of the payment or obtain
insurance policies required in Section 6.5, and take any action under the
policies Bank deems prudent. Any amounts paid by Bank are Bank Expenses and
immediately due and payable, bearing interest at the then applicable rate and
secured by the Collateral. No payments by Bank are deemed an agreement to make
similar payments in the future or Bank's waiver of any Event of Default.

9.5      Bank's Liability for Collateral.

         If Bank complies with reasonable banking practices and Section 9-207 of
the Code, it is not liable for: (a) the safekeeping of the Collateral; (b) any
loss or damage to the Collateral; (c) any diminution in the value of the
Collateral; or (d) any act or default of any carrier, warehouseman, bailee, or
other person. Borrower bears all risk of loss, damage or destruction of the
Collateral.

9.6      Remedies Cumulative.

         Bank's rights and remedies under this Agreement, the Loan Documents,
and all other agreements are cumulative. Bank has all rights and remedies
provided under the Code, by law, or in equity. Bank's exercise of one right or
remedy is not an election, and Bank's waiver of any Event of Default is not a
continuing waiver. Bank's delay is not a waiver, election, or acquiescence. No
waiver is effective unless signed by Bank and then is only effective for the
specific instance and purpose for which it was given.

9.7      Demand Waiver.

         Borrower waives demand, notice of default or dishonor, notice of
payment and nonpayment, notice of any default, nonpayment at maturity, release,
compromise, settlement, extension, or renewal of accounts, documents,
instruments, chattel paper, and guarantees held by Bank on which Borrower is
liable.

10.      NOTICES

         All notices or demands by any party about this Agreement or any other
related agreement must be in writing and be personally delivered or sent by an
overnight delivery service, by certified mail, postage prepaid, return receipt
requested, or by telefacsimile to the addresses set forth at the beginning of
this Agreement. A party may change its notice address by giving the other party
written notice.

11.      CHOICE OF LAW , VENUE AND JURY TRIAL WAIVER

         California law governs the Loan Documents without regard to principles
of conflicts of law. Borrower and Bank each submit to the exclusive jurisdiction
of the State and Federal courts in Santa Clara County, California.

                                       13

<PAGE>

BORROWER AND BANK EACH WAIVE THEIR RIGHT TO A JURY TRIAL OF ANY CLAIM OR CAUSE
OF ACTION ARISING OUT OF ANY OF THE LOAN DOCUMENTS OR ANY CONTEMPLATED
TRANSACTION, INCLUDING CONTRACT, TORT, BREACH OF DUTY AND ALL OTHER CLAIMS. THIS
WAIVER IS A MATERIAL INDUCEMENT FOR BOTH PARTIES TO ENTER INTO THIS AGREEMENT.
EACH PARTY HAS REVIEWED THIS WAIVER WITH ITS COUNSEL.

12.      GENERAL PROVISIONS

12.1     Successors and Assigns.

         This Agreement binds and is for the benefit of the successors and
permitted assigns of each party. Borrower may not assign this Agreement or any
rights under it without Bank's prior written consent which may be granted or
withheld in Bank's discretion. Bank has the right, without the consent of or
notice to Borrower, to sell, transfer, negotiate, or grant participation in all
or any part of, or any interest in, Bank's obligations, rights and benefits
under this Agreement.

12.2     Indemnification.

         Borrower will indemnify, defend and hold harmless Bank and its
officers, employees, and agents against: (a) all obligations, demands, claims,
and liabilities asserted by any other party in connection with the transactions
contemplated by the Loan Documents; and (b) all losses or Bank Expenses
incurred, or paid by Bank from, following, or consequential to transactions
between Bank and Borrower (including reasonable attorneys fees and expenses),
except for losses caused by Bank's gross negligence or willful misconduct.

12.3     Time of Essence.

         Time is of the essence for the performance of all obligations in this
Agreement.

12.4     Severability of Provision.

         Each provision of this Agreement is severable from every other
provision in determining the enforceability of any provision.

12.5     Amendments in Writing, Integration.

         All amendments to this Agreement must be in writing and signed by
Borrower and Bank. This Agreement represents the entire agreement about this
subject matter, and supersedes prior negotiations or agreements. All prior
agreements, understandings, representations, warranties, and negotiations
between the parties about the subject matter of this Agreement merge into this
Agreement and the Loan Documents.

                                       14

<PAGE>

12.6     Counterparts.

         This Agreement may be executed in any number of counterparts and by
different parties on separate counterparts, each of which, when executed and
delivered, are an original, and all taken together, constitute one Agreement.

12.7     Survival.

         All covenants, representations and warranties made in this Agreement
continue in full force while any Obligations remain outstanding. The obligations
of Borrower in Section 12.2 to indemnify Bank will survive until all statutes of
limitations for actions that may be brought against Bank have run.

12.8     Confidentiality.

         In handling any confidential information, Bank will exercise the same
degree of care that it exercises for its own proprietary information, but
disclosure of information may be made (i) to Bank's subsidiaries or affiliates
in connection with their business with Borrower, (ii) to prospective transferees
or purchasers of any interest in the loans, (iii) as required by law,
regulation, subpoena, or other order, (iv) as required in connection with Bank's
examination or audit and (v) as Bank considers appropriate exercising remedies
under this Agreement. Confidential information does not include information that
either: (a) is in the public domain or in Bank's possession when disclosed to
Bank, or becomes part of the public domain after disclosure to Bank; or (b) is
disclosed to Bank by a third party, if Bank does not know that the third party
is prohibited from disclosing the information.

12.9     Attorneys' Fees, Costs and Expenses.

         In any action or proceeding between Borrower and Bank arising out of
the Loan Documents, the prevailing party will be entitled to recover its
reasonable attorneys' fees and other reasonable costs and expenses incurred, in
addition to any other relief to which it may be entitled.

13.      DEFINITIONS

13.1     Definitions.

         In this Agreement:

         "Accounts" are all existing and later arising accounts, contract
rights, and other obligations owed Borrower in connection with its sale or lease
of goods (including licensing software and other technology) or provision of
services, all credit insurance, guaranties, other security and all merchandise
returned or reclaimed by Borrower and Borrower's Books relating to any of the
foregoing.

         "Advance" or "Advances" is a loan advance (or advances) under the
Committed Revolving Line.

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<PAGE>

         "Affiliate" of a Person is a Person that owns or controls directly or
indirectly the Person, any Person that controls or is controlled by or is under
common control with the Person, and each of that Person's senior executive
officers, directors, partners and, for any Person that is a limited liability
company, that Person's managers and members.

         "Bank Expenses" are all audit fees and expenses and reasonable costs
and expenses (including reasonable attorneys' fees and expenses) for preparing,
negotiating, administering, defending and enforcing the Loan Documents
(including appeals or Insolvency Proceedings).

         "Borrower's Books" are all Borrower's books and records including
ledgers, records regarding Borrower's assets or liabilities, the Collateral,
business operations or financial condition and all computer programs or discs or
any equipment containing the information.

         "Business Day" is any day that is not a Saturday, Sunday or a day on
which the Bank is closed.

         "Cash Management Services" are defined in Section 2.1.4.

         "Closing Date" is the date of this Agreement.

         "Code" is the California Uniform Commercial Code.

         "Collateral" is the property described on Exhibit A.

         "Committed Revolving Line" is an Advance of up to $15,000,000.

         "Contingent Obligation" is, for any Person, any direct or indirect
liability, contingent or not, of that Person for (i) any indebtedness, lease,
dividend, letter of credit or other obligation of another such as an obligation
directly or indirectly guaranteed, endorsed, co-made, discounted or sold with
recourse by that Person, or for which that Person is directly or indirectly
liable; (ii) any obligations for undrawn letters of credit for the account of
that Person; and (iii) all obligations from any interest rate, currency or
commodity swap agreement, interest rate cap or collar agreement, or other
agreement or arrangement designated to protect a Person against fluctuation in
interest rates, currency exchange rates or commodity prices; but "Contingent
Obligation" does not include endorsements in the ordinary course of business.
The amount of a Contingent Obligation is the stated or determined amount of the
primary obligation for which the Contingent Obligation is made or, if not
determinable, the maximum reasonably anticipated liability for it determined by
the Person in good faith; but the amount may not exceed the maximum of the
obligations under the guarantee or other support arrangement.

         "Copyrights" are all copyright rights, applications or registrations
and like protections in each work or authorship or derivative work, whether
published or not (whether or not it is a trade secret) now or later existing,
created, acquired or held.

         "Credit Extension" is each Advance, Letter of Credit, Exchange
Contract, or any other extension of credit by Bank for Borrower's benefit.

                                       16

<PAGE>

         "Equipment" is all present and future machinery, equipment, tenant
improvements, furniture, fixtures, vehicles, tools, parts and attachments in
which Borrower has any interest.

         "ERISA" is the Employment Retirement Income Security Act of 1974, and
its regulations.

         "FX Forward Contract" is defined in Section 2.1.3.

         "FX Reserve " is defined in Section 2.1.3.

         "GAAP" is generally accepted accounting principles.

         "Guarantor" is any present or future guarantor of the Obligations.

         "Indebtedness" is (a) indebtedness for borrowed money or the deferred
price of property or services, such as reimbursement and other obligations for
surety bonds and letters of credit, (b) obligations evidenced by notes, bonds,
debentures or similar instruments, (c) capital lease obligations and (d)
Contingent Obligations.

         "Insolvency Proceeding" are proceedings by or against any Person under
the United States Bankruptcy Code, or any other bankruptcy or insolvency law,
including assignments for the benefit of creditors, compositions, extensions
generally with its creditors, or proceedings seeking reorganization,
arrangement, or other relief.

         "Intellectual Property" is:

         (a) Copyrights, Trademarks, Patents, and Mask Works including
amendments, renewals, extensions, and all licenses or other rights to use and
all license fees and royalties from the use;

         (b) Any trade secrets and any intellectual property rights in computer
software and computer software products now or later existing, created, acquired
or held;

         (c) All design rights which may be available to Borrower now or later
created, acquired or held;

         (d) Any claims for damages (past, present or future) for infringement
of any of the rights above, with the right, but not the obligation, to sue and
collect damages for use or infringement of the intellectual property rights
above;

         All proceeds and products of the foregoing, including all insurance,
indemnity or warranty payments.

         "Inventory" is present and future inventory in which Borrower has any
interest, including merchandise, raw materials, parts, supplies, packing and
shipping materials, work in process and finished products intended for sale or
lease or to be furnished under a contract of service, of every kind and
description now or later owned by or in the custody or possession,

                                       17

<PAGE>

actual or constructive, of Borrower, including inventory temporarily out of its
custody or possession or in transit and including returns on any accounts or
other proceeds (including insurance proceeds) from the sale or disposition of
any of the foregoing and any documents of title.

         "Investment" is any beneficial ownership of (including stock,
partnership interest or other securities) any Person, or any loan, advance or
capital contribution to any Person.

         "Letter of Credit" is defined in Section 2.1.2.

         "Lien" is a mortgage, lien, deed of trust, charge, pledge, security
interest or other encumbrance.

         "Loan Documents" are, collectively, this Agreement, any note, or notes
or guaranties executed by Borrower or Guarantor, and any other present or future
agreement between Borrower and/or for the benefit of Bank in connection with
this Agreement, all as amended, extended or restated.

         "Mask Works" are all mask works or similar rights available for the
protection of semiconductor chips, now owned or later acquired.

         "Material Adverse Change" is defined in Section 8.3.

         "Obligations" are debts, principal, interest, Bank Expenses and other
amounts Borrower owes Bank now or later, including cash management services,
letters of credit and foreign exchange contracts, if any and including interest
accruing after Insolvency Proceedings begin and debts, liabilities, or
obligations of Borrower assigned to Bank.

         "Patents" are patents, patent applications and like protections,
including improvements, divisions, continuations, renewals, reissues, extensions
and continuations-in-part of the same.

         "Permitted Indebtedness" is:

         (a) Borrower's indebtedness to Bank under this Agreement or any other
Loan Document;

         (b) Indebtedness existing on the Closing Date and shown on the
Schedule;

         (c) Subordinated Debt;

         (d) Indebtedness to trade creditors incurred in the ordinary course of
business; and

         (e) Indebtedness secured by Permitted Liens.

         "Permitted Investments" are:

         (a) Investments shown on the Schedule and existing on the Closing Date;
and

                                       18

<PAGE>

         (b) (i) marketable direct obligations issued or unconditionally
guaranteed by the United States or its agency or any State maturing within 1
year from its acquisition, (ii) commercial paper maturing no more than 1 year
after its creation and having the highest rating from either Standard & Poor's
Corporation or Moody's Investors Service, Inc., and (iii) Bank's certificates of
deposit issued maturing no more than 1 year after issue.

         "Permitted Liens" are:

         (a) Liens existing on the Closing Date and shown on the Schedule or
arising under this Agreement or other Loan Documents;

         (b) Liens for taxes, fees, assessments or other government charges or
levies, either not delinquent or being contested in good faith and for which
Borrower maintains adequate reserves on its Books, if they have no priority over
any of Bank's security interests;

         (c) Purchase money Liens (i) on Equipment acquired or held by Borrower
or its Subsidiaries incurred for financing the acquisition of the Equipment, or
(ii) existing on equipment when acquired, if the Lien is confined to the
property and improvements and the proceeds of the equipment;

         (d) Leases or subleases granted in the ordinary course of Borrower's
business, including in connection with Borrower's leased premises or leased
property;

         (e) Liens incurred in the extension, renewal or refinancing of the
indebtedness secured by Liens described in (a) through (c), but any extension,
renewal or replacement Lien must be limited to the property encumbered by the
existing Lien and the principal amount of the indebtedness may not increase.

         "Person" is any individual, sole proprietorship, partnership, limited
liability company, joint venture, company association, trust, unincorporated
organization, association, corporation, institution, public benefit corporation,
firm, joint stock company, estate, entity or government agency.

         "Prime Rate" is Bank's most recently announced "prime rate," even if it
is not Bank's lowest rate.

         "Responsible Officer" is each of the Chief Executive Officer, the
President, the Chief Financial Officer and the Controller of Borrower.

         "Revolving Maturity Date" is June 27, 2003.

         "Schedule" is any attached schedule of exceptions.

         "Subordinated Debt" is debt incurred by Borrower subordinated to
Borrower's indebtedness owed to Bank and which is reflected in a written
agreement in a manner and form acceptable to Bank and approved by Bank in
writing.

                                       19

<PAGE>

         "Subsidiary" is for any Person, or any other business entity of which
more than 50% of the voting stock or other equity interests is owned or
controlled, directly or indirectly, by the Person or one or more Affiliates of
the Person.

         "Trademarks" are trademark and servicemark rights, registered or not,
applications to register and registrations and like protections, and the entire
goodwill of the business of Assignor connected with the trademarks.

BORROWER:

VITRIA TECHNOLOGY, INC.

By: ____________________________________

Title: _________________________________

BANK:

SILICON VALLEY BANK

By: ____________________________________

Title: _________________________________

                                       20

<PAGE>

                                    EXHIBIT A

     The Collateral consists of all of Borrower's right, title and interest in
and to the following whether owned now or hereafter arising and whether the
Borrower has rights now or hereafter has rights therein and wherever located:

     All goods and equipment now owned or hereafter acquired, including, without
limitation, all machinery, fixtures, vehicles (including motor vehicles and
trailers), and any interest in any of the foregoing, and all attachments,
accessories, accessions, replacements, substitutions, additions, and
improvements to any of the foregoing, wherever located;

     All inventory, now owned or hereafter acquired, including, without
limitation, all merchandise, raw materials, parts, supplies, packing and
shipping materials, work in process and finished products including such
inventory as is temporarily out of Borrower's custody or possession or in
transit and including any returns upon any accounts or other proceeds, including
insurance proceeds, resulting from the sale or disposition of any of the
foregoing and any documents of title representing any of the above;

     All contract rights and general intangibles (as such definitions may be
amended from time to time according to the Code), now owned or hereafter
acquired, including, without limitation, leases, license agreements, franchise
agreements, blueprints, drawings, purchase orders, customer lists, route lists,
infringements, claims, computer programs, computer discs, computer tapes,
literature, reports, catalogs, design rights, income tax refunds, payments of
insurance and rights to payment of any kind,;

     All now existing and hereafter arising accounts, contract rights,
royalties, license rights and all other forms of obligations owing to Borrower
arising out of the sale or lease of goods, the licensing of technology or the
rendering of services by Borrower (as such definitions may be amended from time
to time according to the Code) whether or not earned by performance, and any and
all credit insurance, insurance (including refund) claims and proceeds,
guaranties, and other security therefor, as well as all merchandise returned to
or reclaimed by Borrower;

     All documents, cash, deposit accounts, securities, securities entitlements,
securities accounts, investment property, financial assets, letters of credit,
letter of credit rights, certificates of deposit, instruments and chattel paper
and electronic chattel paper now owned or hereafter acquired and Borrower's
Books relating to the foregoing;

     All Borrower's Books relating to the foregoing and any and all claims,
rights and interests in any of the above and all substitutions for, additions
and accessions to and proceeds thereof.

     The Collateral shall not be deemed to include any copyrights, copyright
applications, copyright registration and like protection in each work of
authorship and derivative work thereof, whether published or unpublished, now
owned or hereafter acquired; any patents, patent applications and like
protections including without limitation improvements, divisions, continuations,
renewals, reissues, extensions and continuations-in-part of the same,
trademarks, servicemarks and applications therefor, whether registered or not,
and the goodwill of the business of Borrower connected with and symbolized by
such trademarks, any trade secret rights, including any rights to unpatented
inventions, know-how, operating manuals, license rights and agreements and
confidential information, now owned or hereafter acquired; or any claims for
damage by way of

                                       21

<PAGE>

any past, present and future infringement of any of the foregoing (collectively,
the "Intellectual Property"), except that the Collateral shall include the
proceeds of all the Intellectual Property that are accounts, (i.e. accounts
receivable) of Borrower, or general intangibles consisting of rights to payment,
if a judicial authority (including a U.S. Bankruptcy Court) holds that a
security interest in the underlying Intellectual Property is necessary to have a
security interest in such accounts and general intangibles of Borrower that are
proceeds of the Intellectual Property, then the Collateral shall automatically,
and effective as of the Closing Date, include the Intellectual Property to the
extent necessary to permit perfection of Bank's security interest in such
accounts and general intangibles of Borrower that are proceeds of the
Intellectual Property.

     Borrower and Bank are parties to that certain Negative Pledge Agreement,
whereby Borrower, in connection with Bank's loan or loans to Borrower, has
agreed, among other things, not to sell, transfer, assign, mortgage, pledge,
lease grant a security interest in, or encumber any of its intellectual
property, without Bank's prior written consent.

                                       22

<PAGE>

                                    EXHIBIT B

                   LOAN PAYMENT/ADVANCE TELEPHONE REQUEST FORM

             DEADLINE FOR SAME DAY PROCESSING IS 12:00 NOON, P.S.T.

TO: CENTRAL CLIENT SERVICE DIVISION                   DATE: ____________________

FAX#: (408) 496-2426                                  TIME: ________________

FROM: Vitria Technology, Inc.

                              CLIENT NAME (BORROWER)

REQUESTED BY: _______________________________________________________
                             AUTHORIZED SIGNER'S NAME

AUTHORIZED SIGNATURE: ______________________________________________

PHONE NUMBER: _________________________________________________

FROM ACCOUNT # __________   TO ACCOUNT # ___________________________

REQUESTED TRANSACTION TYPE                     REQUESTED DOLLAR AMOUNT

PRINCIPAL INCREASE (ADVANCE)           $__________________________________
PRINCIPAL PAYMENT (ONLY)               $__________________________________
INTEREST PAYMENT (ONLY)                $__________________________________
PRINCIPAL AND INTEREST (PAYMENT)$____________________________________

OTHER INSTRUCTIONS:_____________________________________________________
________________________________________________________________________

All Borrower's representations and warranties in the Loan and Security Agreement
are true, correct and complete in all material respects on the date of the
telephone request for and Advance confirmed by this Borrowing Certificate; but
those representations and warranties expressly referring to another date shall
be true, correct and complete in all material respects as of that date.
                                  BANK USE ONLY

TELEPHONE REQUEST:

The following person is authorized to request the loan payment transfer/loan
advance on the advance designated account and is known to me.

______________________________________         _________________________________
        Authorized Requester                                Phone #

______________________________________         _________________________________
         Received By (Bank)                                 Phone #

          ___________________________________________________________
                         Authorized Signature (Bank)

                                       23

<PAGE>

                                    EXHIBIT C
                             COMPLIANCE CERTIFICATE

TO:    SILICON VALLEY BANK
       3003 Tasman Drive
       Santa Clara, California  95054

FROM:  VITRIA TECHNOLOGY, INC.
       945 Stewart Drive
       Sunnyvale, California  94086

         The undersigned authorized officer of Vitria Technology, Inc.
("Borrower") certifies that under the terms and conditions of the Loan and
Security Agreement between Borrower and Bank (the "Agreement"), (i) Borrower is
in complete compliance for the period ending _______________ with all required
covenants except as noted below and (ii) all representations and warranties in
the Agreement are true and correct in all material respects on this date.
Attached are the required documents supporting the certification. The Officer
certifies that these are prepared in accordance with Generally Accepted
Accounting Principles (GAAP) consistently applied from one period to the next
except as explained in an accompanying letter or footnotes. The Officer
acknowledges that no borrowings may be requested at any time or date of
determination that Borrower is not in compliance with any of the terms of the
Agreement, and that compliance is determined not just at the date this
certificate is delivered.

         Please indicate compliance status by circling Yes/No under "Complies"
column.

--------------------------------------------------------------------------------
Reporting Covenant              Required                    Complies
------------------              --------                    --------
--------------------------------------------------------------------------------
Bank Statements                 Monthly within 15 days      Yes       No
--------------------------------------------------------------------------------
Annual (Audited)                FYE within 120 days         Yes       No
--------------------------------------------------------------------------------
10-Q                            Within 45 days              Yes       No
--------------------------------------------------------------------------------

--------------------------------------------------------------------------------
Financial Covenant                   Required             Actual      Complies
------------------                   --------             ------      --------
--------------------------------------------------------------------------------
All are times
--------------------------------------------------------------------------------
  Minimum Cash                        90,000,000          _____       Yes   No
--------------------------------------------------------------------------------
  Minimum Balance at Bank:           $20,000,000                      Yes   No
--------------------------------------------------------------------------------

--------------------------------------------------------------------------------
                                     Required             Actual      Complies
                                     --------             ------      --------
--------------------------------------------------------------------------------
  Minimum Balance at Bank:           $20,000,000                      Yes    No
--------------------------------------------------------------------------------

                                       24

<PAGE>

                                            BANK USE ONLY

                                            Received by: _______________________
                                                            AUTHORIZED SIGNER

                                            Date:_______________________________

                                            Verified: __________________________
                                                          AUTHORIZED SIGNER

                                            Date: ______________________________

                                            Compliance Status:           Yes  No

Comments Regarding Exceptions:  See Attached.

Sincerely,

VITRIA TECHNOLOGY, INC.

____________________________
SIGNATURE

____________________________
TITLE

____________________________
DATE

                                       25

<PAGE>

                         CORPORATE BORROWING RESOLUTION

Borrower:  Vitria Technology, Inc.           Bank:  Silicon Valley Bank
           945 Stewart Drive                        3003 Tasman Drive
           Sunnyvale, CA  94086                     Santa Clara, CA 95054-1191

I, the Secretary or Assistant Secretary of Vitria Technology, Inc. ("Borrower"),
CERTIFY that Borrower is a corporation existing under the laws of the State of
Delaware.

I certify that at a meeting of Borrower's Directors (or by other authorized
corporate action) duly held the following resolutions were adopted.

It is resolved that any one of the following officers of Borrower, whose name,
title and signature is below:

        NAMES                     POSITIONS                  ACTUAL SIGNATURES
        -----                     ---------                  -----------------

_______________________     ______________________         _____________________
_______________________     ______________________         _____________________
_______________________     ______________________         _____________________
_______________________     ______________________         _____________________

may act for Borrower and:

Borrow Money.  Borrow money from Silicon Valley Bank ("Bank").

Execute Loan Documents.  Execute any loan documents Bank requires.

Grant Security.  Grant Bank a security interest in any of Borrower's assets.

Negotiate Items. Negotiate or discount all drafts, trade acceptances, promissory
notes, or other indebtedness in which Borrower has an interest and receive cash
or otherwise use the proceeds.

Letters of Credit.  Apply for letters of credit from Bank.

Foreign Exchange Contracts.  Execute spot or forward foreign exchange contracts.

Issue Warrants.  Issue warrants for Borrower's stock.

Further Acts. Designate other individuals to request advances, pay fees and
costs and execute other documents or agreements (including documents or
agreement that waive Borrowers right to a jury trial) they think necessary to
effectuate these Resolutions.

Further resolved that all acts authorized by these Resolutions and performed
before they were adopted are ratified. These Resolutions remain in effect and
Bank may rely on them until Bank receives written notice of their revocation.

                                       26

<PAGE>

I certify that the persons listed above are Borrower's officers with the titles
and signatures shown following their names and that these resolutions have not
been modified are currently effective.

CERTIFIED TO AND ATTESTED BY:

X ______________________________________________
   *Secretary or Assistant Secretary

X ______________________________________________
*NOTE: In case the Secretary or other certifying officer is designated by the
foregoing resolutions as one of the signing officers, this resolution should
also be signed by a second Officer or Director of Borrower.

                                       27

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