Document:

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                                                                    Exhibit 10.9

                  FIRST AMENDMENT TO REVOLVING CREDIT AGREEMENT

     THIS FIRST AMENDMENT TO REVOLVING CREDIT AGREEMENT (this "AMENDMENT") is
made as of October 29, 1999, by and among TRINET CORPORATE REALTY TRUST (the
"BORROWER"), MORGAN GUARANTY TRUST COMPANY OF NEW YORK, as Administrative Agent
(the "LEAD AGENT"), BANK OF AMERICA, N.A. ("BAC"), and the BANKS listed on the
signature pages hereof.

                              W I T N E S S E T H:
                               -------------------

     WHEREAS, the Borrower and the Banks have entered into the Third Amended and
Restated Revolving Credit Agreement, dated as of June 1, 1998 (the "CREDIT
AGREEMENT"); and

     WHEREAS, the parties desire to modify the Credit Agreement upon the terms
and conditions set forth herein.

     NOW THEREFORE, for good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties do hereby agree as
follows:

1. DEFINITIONS. All capitalized terms not otherwise defined herein shall have
the meanings ascribed to them in the Credit Agreement.

<PAGE>

2. LEAD AGENT. Simultaneously herewith, Morgan has assigned and transferred its
Commitment to BAC and Bank One, NA, and, in accordance with Section 7.8 of the
Credit Agreement, hereby resigns as Lead Agent. The Required Banks, with the
approval of the Borrower, hereby appoint BAC 257582.08-New York S3A as successor
Lead Agent, and Bank One, NA, as "syndication agent". The syndication agent has
no right, power, obligation, liability, responsibility or duty under this
Agreement other than those applicable to all Banks as such. From and after the
date hereof, all references to Morgan shall be deemed to be references to BAC.

3. BAS. The Required Banks acknowledge and agree that Banc of America Securities
LLC ("BAS") is hereby appointed "book manager" and "lead arranger".

4. APPLICABLE MARGIN. The grid set forth in the definition "Applicable Margin"
is hereby deleted and the following substituted therefor:

<PAGE>

<TABLE>
<CAPTION>
Range of                      Applicable
Borrower's                    Margin for               Applicable                   Applicable
Credit Rating                 Base Rate                Margin for                   Margin for Euro
(S&P/Moody's                  Loans                    CD Loans                      Dollar Loans
Ratings)                   (% per annum)             (% per annum)                  (% per annum)
-------------              --------------            -------------                  ---------------
<S>                            <C>                            <C>                       <C>
BBB+/Baa1                      0.25                           0.975                     0.85
BBB/Baa2                       0.25                           1.125                     1.00
BBB-/Baa3                      0.25                           1.1875                    1.0625
Non-Invest-
ment Grade                     0.50                           1.675                     1.55

</TABLE>

5. LETTERS OF CREDIT. The references in Sections 2.2(b) and 2.6(c) to "10:00
A.M., New York City time" are hereby deleted, and "11:00 A.M., New York City
time" substituted therefor. In addition, the following is hereby inserted after
the second sentence of Section 2.2(b): "In addition, together with such notice,
the Borrower shall deliver to the designated Fronting Bank an "Application and
Agreement for Standby Letter of Credit" in the form attached hereto as EXHIBIT
A, or in such other form as may reasonably be required by the designated
Fronting Bank."

6. EXTENSION FEE. Section 2.9(c) is hereby deleted, and the following
substituted therefor:

          (c) EXTENSION FEE. Simultaneously with the delivery by Borrower of the
     Notice to Extend pursuant to Section 2.10(b), the Borrower shall pay to the
     Lead Agent for the account of the Banks ratably in proportion to their
     Commitments an extension fee (each, the "EXTENSION FEE") of .20% of the
     Commitments then outstanding (provided, with respect to any Bank's share of
     such fee, such Bank has honored its Commitment in accordance herewith).

<PAGE>

7. EXTENSION OPTION. Section 2.10(c) of the Credit Agreement, and all references
to Section 2.10(c) and to the Request to Extend, are hereby deleted.

8. REPRESENTATIONS. Section 4.15 of the Credit Agreement is hereby deleted.

9. FINANCIAL INFORMATION. The reference to "Borrower" in Section 5.1(k) of the
Credit Agreement is hereby deleted and "Starwood" substituted therefor.

10. DIVIDENDS. Section 5.8(d) is hereby deleted and the following substituted
therefor:

          (d) DIVIDENDS. The Borrower will not, as determined as of the last day
     of each quarter, with respect to the previous four quarters, pay or declare
     any dividends on common stock in excess of 85% of CFFOA (as hereinafter
     defined) for such previous four quarters, provided, however, that dividends
     may exceed 85% of CFFOA if required in order for Starwood Financial Inc.
     ("STARWOOD") to maintain its status as a real estate investment trust under
     the Code, assuming, however, that all other Subsidiaries of Starwood shall
     have dividended or distributed 100% of their disposable cash during the
     applicable twelve (12) month period to Starwood. For purposes hereof,
     "CFFOA" means the "net cash provided by operating activity", as shown on
     the Borrower's consolidated statements of cash flows, and calculated in a
     manner consistent with the Borrower's historical methods of calculating the
     same.

<PAGE>

11. ACQUISITION. Notwithstanding the provisions of Section 5.9 of the Credit
Agreement, the Required Banks hereby consent to the acquisition by merger (the
"MERGER") of 100% of the stock of the Borrower by Starwood and hereby waive any
Event of Default that would otherwise arise under Sections 6.1(i), (j) and (k)
of the Credit Agreement.

12. CHANGES IN BUSINESS. Section 5.10 is hereby amended by adding after the
reference to "Section 5.17" the following: "and Section 5.23".

13. BORROWER STATUS. Section 5.13 of the Credit Agreement is hereby deleted and
the following substituted therefor: "Borrower shall at all times maintain its
status as a "qualified REIT subsidiary" of Starwood."

14. ASSET SALES AND TRANSFERS. The following Section 5.20 is hereby added to the
Credit Agreement:

          SECTION 5.20 ASSET SALES AND TRANSFERS. The Borrower shall not sell,
     transfer or otherwise convey any Real Property Asset to any Affiliate,
     other than a wholly-owned Subsidiary or a newly formed joint venture with
     an unaffiliated third party, except that any such sale, transfer or
     conveyance shall be permitted if the same is for a price not less than the
     then fair market value of the applicable Real Property Asset, shall be on
     an all cash basis, and shall otherwise be on fair market, arms' length
     terms. For purposes of this Section, the term "AFFILIATE" shall mean as

<PAGE>

     applied to any Person, any other Person that directly or indirectly
     controls, is controlled by, or is under common control with, that Person.
     For purposes of this definition, "control" (including, with correlative
     meanings, the terms "controlling", "controlled by" and "under common
     control with"), as applied to any Person, means the possession, directly or
     indirectly, of the power to vote fifteen percent (15%) or more of the
     equity securities having voting power for the election of directors of such
     Person or otherwise to direct or cause the direction of the management and
     policies of that Person, whether through the ownership of voting equity
     securities or by contract or otherwise.

15. INTERCOMPANY DEBT. The following Section 5.21 is hereby added to the Credit
Agreement:

          SECTION 5.21. The Borrower may not incur any Debt from Starwood or any
     Affiliate of Starwood ("AFFILIATE DEBT"), unless repayment of such Debt, by
     its express written terms, is fully subordinated to the repayment of the
     Loans and all other Obligations, as well as all other Debt from
     un-Affiliated third parties. In addition, all Affiliate Debt shall be on
     then market terms, and at no time shall, in the aggregate, exceed fifteen
     percent (15%) of the total Debt permitted pursuant to Section 5.8(b) of the
     Credit Agreement. In addition, at no time may the Borrower or any
     Subsidiary of the Borrower lend any amounts to Starwood or any of its
     wholly-owned Subsidiaries or any Affiliates of Starwood that in the
     aggregate would exceed five percent (5%) of Consolidated Tangible Net
     Worth.

16. BOARD OF DIRECTORS. The following Section 5.22 is hereby added to the Credit
Agreement:

<PAGE>

          SECTION 5.22. From and after the Effective Date, the members of the
     board of directors of the Borrower (the "BOARD") shall at all times be
     identical with the members of the board of directors of Starwood, except
     that at all times there shall be one additional member of the Board (the
     "SPECIAL DIRECTOR"), which member shall be "independent" (in accordance
     with S&P's standard requirement from time to time). A unanimous vote of all
     members of the Board, including the Special Director, shall be required in
     accordance with the organizational documents of the Borrower (the
     "UNANIMOUS VOTING REQUIREMENT", for the Borrower to (i) file a voluntary
     insolvency proceeding, or (ii) to sell, transfer or convey in any three (3)
     month period, any Real Property Asset(s) to Starwood or any wholly-owned
     Subsidiary of Starwood or any Affiliates of Starwood other than a
     wholly-owned Subsidiary of the Borrower or a newly formed joint venture of
     the Borrower with an unaffiliated third party, that exceed, either
     individually or in the aggregate, five percent (5%) of Combined Asset Value
     as of the last day of the most recently ended fiscal quarter for which
     financial information has been delivered in accordance with Section 5.1 (a)
     and (b).

17. ALTERNATIVE INVESTMENTS. The following Section 5.23 is hereby added to the
Credit Agreement:

          SECTION 5.23. ALTERNATIVE INVESTMENTS. Borrower may use proceeds of
     the Loans to make Alternative Investments, provided, however, that as of
     the last day of each calender quarter, the total book value, calculated in
     accordance with GAAP but without deduction for depreciation, of Alternative
     Investments made from and after the closing of the Merger shall not exceed
     20% of Combined Asset Value. For purposes hereof, "ALTERNATIVE INVESTMENTS"
     means any investment

<PAGE>

     other than (i) the acquisition of a Real Property Asset more than 75% of
     the rentable area of which is leased to a single tenant, whether directly
     or through a joint venture, or (ii) development activities as described in
     Section 5.17. Whether directly or through a joint venture.

18. EVENTS OF DEFAULT. (a) Section 6.1(i) of the Credit Agreement is hereby
deleted and the following substituted therefor: "(i) Starwood shall cease to
own, directly or indirectly, 100% of the issued and outstanding shares of stock
of the Borrower;".

         (b) Section 6.1(j) of the Credit Agreement is hereby deleted and the
following substituted therefor: "(j) there shall not be at all times at least
one Special Director on the Board, or the Unanimous Voting Requirements shall be
amended, modified or terminated without the prior written consent of the
Required Banks;"

         (c) Section 6.1(k) of the Credit Agreement is hereby deleted and the
following substituted therefor: "(k) Starwood shall cease at any time to qualify
as a real estate investment trust under the Code;".

19. NOTICES. The reference in Section 9.1 of the Credit Agreement to "One
Embarcadero Center, 33rd Floor, San Francisco, CA 94111, Attn.: A. William
Stein" is hereby

<PAGE>

deleted and the following substituted therefor: "1114 Avenue of the Americas,
27th Floor, New York, NY 10036, Attn.: Spencer Haber, with a copy to Nina Matis,
Esq."

20. ADDITIONAL COMMITMENT. Section 9.18 of the Credit Agreement is hereby
deleted.

21. EFFECTIVE DATE. This Amendment shall become effective when each of the
following conditions is satisfied (or waived by the Required Banks) (the date
such conditions are satisfied or waived being deemed the "EFFECTIVE DATE"):

          (a) the Borrower shall have executed and delivered to the Lead Agent a
          duly executed original of this Amendment;

          (b) the Required Banks shall have executed and delivered to the Lead
          Agent a duly executed original of this Amendment;

          (c) the Lead Agent shall have received all documents the Lead Agent
          may reasonably request relating to the existence of the Borrower, the
          authority for and the validity of this Amendment, and the other
          documents executed in connection therewith, and any other matters
          relevant hereto,

<PAGE>

          all in form and substance reasonably satisfactory to the Lead Agent.
          Such documentation shall include, without limitation, the
          organizational documents of the Borrower, as amended, modified or
          supplemented prior to the Effective Date, each certified to be true,
          correct and complete by an officer of the Borrower, as of a date not
          more than twenty (20) days prior to the Effective Date, together with
          a good standing certificate from the Secretary of State (or the
          equivalent thereof) of the State of Maryland with respect to the
          Borrower, to be dated not more than twenty (20) days prior to the
          Effective Date;

          (d) the Lead Agent shall have received all certificates, agreements
          and other documents and papers referred to in this Amendment, unless
          otherwise specified, in sufficient counterparts, satisfactory in form
          and substance to the Administrative Agent in its reasonable
          discretion;

          (e) the Borrower shall have taken all actions required to authorize
          the execution and delivery of this Amendment and the performance
          hereof by the Borrower;

<PAGE>

          (f) the Lead Agent shall have received from the Borrower, for the
          account of the Banks, an amendment fee equal to .30% of the
          Commitments;

          (g) the Lead Agent shall have received the reasonable fees and
          expenses accrued through the Effective Date of Skadden, Arps, Slate,
          Meagher & Flom LLP, together with any other fees or expenses of the
          Lead Agent;

          (h) the representations and warranties of the Borrower contained in
          the Credit Agreement, as amended hereby, shall be true and correct in
          all material respects on and as of the Effective Date, as the same may
          be amended by virtue of the Merger transactions with Starwood
          described in the Proxy, dated September 22, 1999, a copy of which has
          previously been delivered by the Borrower to the Banks (the "PROXY");

          (i) receipt by the Lead Agent and the Banks of a certificate of an
          officer of the Borrower certifying that the Borrower is in compliance
          with all covenants of the Borrower contained in the Credit Agreement,
          as amended hereby, including, without limitation, the requirements of
          Section

<PAGE>

          5.8, as of the Effective Date, as the same may be amended by virtue of
          the Merger transactions with Starwood described in the Proxy; and

          (j) receipt by the Lead Agent of proof reasonably satisfactory to the
          Lead Agent that Starwood shall have acquired by merger 100% of the
          stock of the Borrower.

22. ENTIRE AGREEMENT. This Amendment constitutes the entire and final agreement
among the parties hereto with respect to the subject matter hereof and there are
no other agreements, understandings, undertakings, representations or warranties
among the parties hereto with respect to the subject matter hereof except as set
forth herein.

23. GOVERNING LAW. This Amendment shall be governed by, and construed in
accordance with, the law of the State of New York.

24. COUNTERPARTS. This Amendment may be executed in any number of counterparts,
all of which taken together shall constitute one and the same agreement, and any
of the parties hereto may execute this Amendment by signing any such
counterpart.

25. HEADINGS, ETC. Section or other headings contained in this Amendment are for
reference purposes only and shall not in any way affect the meaning or
interpretation of this Amendment.

<PAGE>

26. NO FURTHER MODIFICATIONS. Except as modified herein, all of the terms and
conditions of the Credit Agreement, as modified hereby shall remain in full
force and effect and, as modified hereby, the Borrower confirms and ratifies all
of the terms, covenants and conditions of the Credit Agreement in all respects.

     IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
duly executed by their respective authorized officers as of the day and year
first above written.

BORROWER:                       TRINET CORPORATE REALTY TRUST, INC.

                                By:______________________________
                                   Name:
                                   Title:

                                Facsimile number:  (415) 391-6259
                                Address: One Embarcadero Center
                                         33rd Floor
                                         San Francisco, CA 94111
                                         Attn: Chief Financial
                                               Officer

<PAGE>

                       MORGAN GUARANTY TRUST COMPANY OF NEW YORK, as Bank and as
                       resigning Lead Agent

                       By: ______________________________
                           Name:
                           Title:

<PAGE>

                                      BANK OF AMERICA, N.A., as a Bank and
                                      as successor Lead Agent

                                      By: _____________________________
                                          Name:
                                          Title:

                                          600 Montgomery Street
                                          37th Floor
                                          Mail Code: CA5-801-37-01
                                          San Francisco, CA 94111
                                          Attention:
                                          Telecopy:

                                          DOMESTIC AND EURO-CURRENCY LENDING
                                          OFFICE:

                                          Attention:
                                          Telecopy:

<PAGE>

                                          BANKERS TRUST COMPANY, as Co-Agent
                                      and as a Bank

                                          By: ______________________________
                                              Name:
                                              Title:

<PAGE>

                                          DRESDNER BANK AG, NEW YORK AND
                                          GRAND CAYMAN BRANCHES, as Bank and
                                          as Co-Agent

                                          By: ______________________________
                                              Name:
                                              Title:

                                          By: ______________________________
                                              Name:
                                              Title:

<PAGE>

                                          BANK ONE, NA ( f/k/a The First
                                          National Bank of Chicago, as a Bank,
                                          as Co-Agent, and as Syndication Agent

                                          By: ______________________________
                                              Name:
                                              Title:

<PAGE>

                                          PNC BANK, NATIONAL ASSOCIATION, as a
                                          Bank and as Co-Agent

                                          By: ______________________________
                                              Name:
                                              Title:

<PAGE>

                                          AMSOUTH BANK

                                          By: ______________________________
                                              Name:
                                              Title:

<PAGE>

                                          BANK OF MONTREAL, CHICAGO BRANCH

                                          By: ______________________________
                                              Name:
                                              Title:

<PAGE>

                                          FIRST UNION NATIONAL BANK

                                          By: ______________________________
                                              Name:
                                              Title:

<PAGE>

                                          UBS AG, STAMFORD BRANCH

                                          By: ______________________________
                                              Name:
                                              Title:

                                          By: ______________________________
                                              Name:
                                              Title:

<PAGE>

                                          KEY BANK NATIONAL ASSOCIATION
                                          (f/k/a Society Bank)

                                          By: ______________________________
                                              Name:
                                              Title:

<PAGE>

                                          THE INDUSTRIAL BANK OF JAPAN,
                                          LIMITED, LOS ANGELES AGENCY

                                          By: ______________________________
                                              Name:
                                              Title:

<PAGE>

                                          COMMERZBANK AKTIENGESELLSCHAFT,
                                          NEW YORK AND GRAND CAYMAN BRANCHES

                                          By: ______________________________
                                              Name:
                                              Title:

                                          By: ______________________________
                                              Name:
                                              Title:

<PAGE>

                                          BANQUE NATIONALE DE PARIS

                                          By: ______________________________
                                              Name:
                                              Title:<PAGE>

                                                                     Exhibit 4.3

                               MITEK SYSTEMS, INC.
                             2000 STOCK OPTION PLAN

         1.       PURPOSE. This Stock Option Plan (the "Plan") is intended to
serve as an incentive to, and to encourage stock ownership by certain eligible
participants rendering services to Mitek Systems, Inc., a Delaware corporation,
and certain affiliates as set forth below (the "Corporation"), so that they may
acquire or increase their proprietary interest in the Corporation and to
encourage them to remain in the service of the Corporation.

         2.       ADMINISTRATION.

                  2.1      COMMITTEE. The Plan shall be administered by the
Board of Directors of the Corporation (the "Board of Directors"), or a committee
of two or more members appointed by the Board of Directors (the "Committee") who
are Non-Employee Directors as defined in Rule 16b-3 promulgated under Section 16
of the Securities Exchange Act of 1934 and an outside director as defined in
Treasury Regulation Section 1.162-27(e)(3). The Committee shall select one of
its members as Chairman and shall appoint a Secretary, who need not be a member
of the Committee. The Committee shall hold meetings at such times and places as
it may determine and minutes of such meetings shall be recorded. Acts by a
majority of the Committee in a meeting at which a quorum is present and acts
approved in writing by a majority of the members of the Committee shall be valid
acts of the Committee.

                  2.2      TERM. If the Board of Directors selects a Committee,
the members of the Committee shall serve on the Committee for the period of time
determined by the Board of Directors and shall be subject to removal by the
Board of Directors at any time. The Board of Directors may terminate the
function of the Committee at any time and resume all powers and authority
previously delegated to the Committee.

                  2.3      AUTHORITY. The Committee shall have sole discretion
and authority to grant options under the Plan to eligible participants rendering
services to the Corporation or any "parent" or "subsidiary" of the Corporation,
as defined in Section 424 of the Internal Revenue Code of 1986, as amended (the
"Code") ("Parent or Subsidiary"), at such times, under such terms and in such
amounts as it may decide. For purposes of this Plan and any Stock Option
Agreement (as defined below), the term "Corporation" shall include any Parent or
Subsidiary, if applicable. Subject to the express provisions of the Plan, the
Committee shall have complete authority to interpret the Plan, to prescribe,
amend and rescind the rules and regulations relating to the Plan, to determine
the details and provisions of any Stock Option Agreement, to accelerate any
options granted under the Plan and to make all other determinations necessary or
advisable for the administration of the Plan.

                  2.4      TYPE OF OPTION. The Committee shall have full
authority and discretion to determine, and shall specify, whether the eligible
individual will be granted options intended to qualify as incentive options
under Section 422 of the Code ("Incentive Options") or options which are not
intended to qualify under Section 422 of the Code ("Non-Qualified Options");
provided, however, that Incentive Options shall only be granted to employees of
the Corporation,

<PAGE>

or a Parent or Subsidiary thereof, and shall be subject to the special
limitations set forth herein attributable to Incentive Options.

                  2.5      INTERPRETATION. The interpretation and construction
by the Committee of any provisions of the Plan or of any option granted under
the Plan shall be final and binding on all parties having an interest in this
Plan or any option granted hereunder. No member of the Committee shall be liable
for any action or determination made in good faith with respect to the Plan or
any option granted under the Plan.

         3.       ELIGIBILITY.

                  3.1      GENERAL. All directors, officers, employees of and
certain persons rendering services to the Corporation, or any Parent or
Subsidiary relative to the Corporation's, or any Parent's or Subsidiary's
management, operation or development shall be eligible to receive options under
the Plan. The selection of recipients of options shall be within the sole and
absolute discretion of the Committee. No person shall be granted an Incentive
Option under this Plan unless such person is an employee of the Corporation, or
a Parent or Subsidiary on the date of grant. No person shall be granted an
option under this Plan unless such person has executed, if requested by the
Committee, the grant representation letter set forth on Exhibit "A," as such
Exhibit may be amended by the Committee from time to time. No person shall be
granted more than 500,000 options in any one year period.

                  3.2      Termination of Eligibility.

                           3.2.1    If an optionee ceases to be employed by the
Corporation, or its Parent or Subsidiary, is no longer an officer or member of
the Board of Directors of the Corporation, or no longer performs services for
the Corporation, or its Parent or Subsidiary, for any reason (other than for
"cause," as hereinafter defined, or such optionee's death), any option granted
hereunder to such optionee shall expire three months after the occurrence giving
rise to such termination of eligibility (or 1 year in the event an optionee is
"disabled," as defined in Section 22(e)(3) of the Code) or upon the date it
expires by its terms, whichever is earlier. Any option that has not vested in
the optionee as of the date of such termination shall immediately expire and
shall be null and void. The Committee shall, in its sole and absolute
discretion, decide, utilizing the provisions set forth in Treasury Regulations
Section 1.421-7(h), whether an authorized leave of absence or absence for
military or governmental service, or absence for any other reason, shall
constitute termination of eligibility for purposes of this Section.

                           3.2.2    If an optionee ceases to be employed by the
Corporation, or its Parent or Subsidiary, is no longer an officer or member of
the Board of Directors of the Corporation, or no longer performs services for
the Corporation, or its Parent or Subsidiary, and such termination is as a
result of "cause," as hereinafter defined, then all options granted hereunder to
such optionee shall expire on the date of the occurrence giving rise to such
termination of eligibility or upon the date it expires by its terms, whichever
is earlier, and such optionee shall have no rights with respect to any
unexercised options. For purposes of this Plan, "cause" shall mean an optionee's
personal dishonesty, misconduct, breach of fiduciary duty, incompetence,
intentional failure to perform stated obligations, willful violation of any law,
rule,

                                       2
<PAGE>

regulation or final cease and desist order, or any material breach of any
provision of this Plan, any Stock Option Agreement or any employment agreement.

                  3.3      DEATH OF OPTIONEE AND TRANSFER OF OPTION. In the
event an optionee shall die, an option may be exercised (subject to the
condition that no option shall be exercisable after its expiration and only to
the extent that the optionee's right to exercise such option had accrued at the
time of the optionee's death) at any time within six months after the optionee's
death by the executors or administrators of the optionee or by any person or
persons who shall have acquired the option directly from the optionee by bequest
or inheritance. Any option that has not vested in the optionee as of the date of
death or termination of employment, whichever is earlier, shall immediately
expire and shall be null and void. No option shall be transferable by the
optionee other than by will or the laws of intestate succession.

                  3.4      LIMITATION ON INCENTIVE OPTIONS. No person shall be
granted any Incentive Option to the extent that the aggregate fair market value
of the Stock (as defined below) to which such options are exercisable for the
first time by the optionee during any calendar year (under all plans of the
Corporation as determined under Section 422(d) of the Code) exceeds $100,000.

         4.       IDENTIFICATION OF STOCK. The Stock, as defined herein, subject
to the options shall be shares of the Corporation's authorized but unissued or
acquired or reacquired common stock (the "Stock"). The aggregate number of
shares subject to outstanding options shall not exceed 1,000,000 shares of Stock
(subject to adjustment as provided in Section 6). If any option granted
hereunder shall expire or terminate for any reason without having been exercised
in full, the unpurchased shares subject thereto shall again be available for
purposes of this Plan. Notwithstanding the above, at no time shall the total
number of shares of Stock issuable upon exercise of all outstanding options and
the total number of shares of Stock provided for under any stock bonus or
similar plan of the Corporation exceed 30% as calculated in accordance with the
conditions and exclusions of Section 260.140.45 of Title 10, California Code of
Regulations, based on the shares of the issuer which are outstanding at the time
the calculation is made.

         5.       TERMS AND CONDITIONS OF OPTIONS. Any option granted pursuant
to the Plan shall be evidenced by an agreement ("Stock Option Agreement") in
such form as the Committee shall from time to time determine, which agreement
shall comply with and be subject to the following terms and conditions:

                  5.1      NUMBER OF SHARES. Each option shall state the number
of shares of Stock to which it pertains.

                  5.2      OPTION EXERCISE PRICE. Each option shall state the
option exercise price, which shall be determined by the Committee; provided,
however, that (i) the exercise price of any Incentive Option shall not be less
than the fair market value of the Stock, as determined by the Committee, on the
date of grant of such option, (ii) the exercise price of any option granted to
any person who owns more than 10% of the total combined voting power of all
classes of the Corporation's stock, as determined for purposes of Section 422 of
the Code, shall not be less than 110% of the fair market value of the Stock, as
determined by the Committee, on the date of grant of such option, and (iii) the
exercise price of any Non-Qualified Option shall not be less than

                                       3
<PAGE>

85% of the fair market value of the Stock, as determined by the Committee, on
the date of grant of such option. In the event that the fair market value of the
price of the common stock declines below the price at which the option is
granted, the Committee shall have the discretion and authority to cancel,
reduce, or otherwise modify the price of any unexercised option, including, but
not limited to, a regrant of the option at a new price more commensurate with
the fair market value of the stock. The Committee must receive the approval of
the Board of Directors before any action is taken in accordance with this
provision.

                  5.3      TERM OF OPTION. The term of an option granted
hereunder shall be determined by the Committee at the time of grant, but shall
not exceed ten years from the date of the grant. The term of any Incentive
Option granted to an employee who owns more than 10% of the total combined
voting power of all classes of the Corporation's stock, as determined for
purposes of Section 422 of the Code, shall in no event exceed five years from
the date of grant. All options shall be subject to early termination as set
forth in this Plan. In no event shall any option be exercisable after the
expiration of its term.

                  5.4      METHOD OF EXERCISE. An option shall be exercised by
written notice to the Corporation by the optionee (or successor in the event of
death) and execution by the optionee of an exercise representation letter in the
form set forth on Exhibit "B," as such Exhibit may be amended by the Committee
from time to time. Such written notice shall state the number of shares with
respect to which the option is being exercised and designate a time, during
normal business hours of the Corporation, for the delivery thereof ("Exercise
Date"), which time shall be at least 30 days after the giving of such notice
unless an earlier date shall have been mutually agreed upon. At the time
specified in the written notice, the Corporation shall deliver to the optionee
at the principal office of the Corporation, or such other appropriate place as
may be determined by the Committee, a certificate or certificates for such
shares. Notwithstanding the foregoing, the Corporation may postpone delivery of
any certificate or certificates after notice of exercise for such reasonable
period as may be required to comply with any applicable listing requirements of
any securities exchange. In the event an option shall be exercisable by any
person other than the optionee, the required notice under this Section shall be
accompanied by appropriate proof of the right of such person to exercise the
option.

                  5.5      MEDIUM AND TIME OF PAYMENT. The option exercise price
shall be payable in full on or before the option Exercise Date in any one of the
following alternative forms:

                           5.5.1    Full payment in cash or certified bank or
cashier's check;

                           5.5.2    A Promissory Note (as defined below);

                           5.5.3    Full payment in shares of Stock having a
fair market value on the Exercise Date in the amount equal to the option
exercise price;

                           5.5.4    Through a special sale and remittance
procedure pursuant to which the optionee shall concurrently provide irrevocable
written instruction to (a) a Corporation-designated brokerage firm to effect the
immediate sale of the purchased shares and remit to the Corporation, out of the
sale proceeds available on the settlement date, sufficient funds to cover the
aggregate exercise price payable for the purchased shares plus all applicable
Federal, state

                                       4
<PAGE>

and local income and employment taxes required to be withheld by the Corporation
by reason of such exercise and (b) the Corporation to deliver the certificates
for the purchased shares directly to such brokerage firm in order to complete
the sale.

                           5.5.5    A combination of the consideration set forth
in Sections 5.5.1, through 5.5.4 equal to the option exercise price; or

                           5.5.6    Any other method of payment complying with
the provisions of Section 422 of the Code with respect to Incentive Options,
provided the terms of payment are established by the Committee at the time of
grant and any other method of payment established by the Committee with respect
to Non-Qualified Options.

                  5.6      FAIR MARKET VALUE. The fair market value of a share
of Stock on any relevant date shall be determined in accordance with the
following provisions:

                           5.6.1    If the Stock at the time is neither listed
nor admitted to trading on any stock exchange nor traded in the over-the-counter
market, then the fair market value shall be determined by the Committee after
taking into account such factors as the Committee shall deem appropriate.

                           5.6.2    If the Stock is not at the time listed or
admitted to trading on any stock exchange but is traded in the over-the-counter
market, the fair market value shall be the mean between the highest bid and
lowest asked prices (or, if such information is available, the closing selling
price) of one share of Stock on the date in question in the over-the-counter
market, as such prices are reported by the National Association of Securities
Dealers through its NASDAQ system or any successor system. If there are no
reported bid and asked prices (or closing selling price) for the Stock on the
date in question, then the mean between the highest bid and lowest asked prices
(or the closing selling price) on the last preceding date for which such
quotations exist shall be determinative of fair market value.

                           5.6.3    If the Stock is at the time listed or
admitted to trading on any stock exchange, then the fair market value shall be
the closing selling price of one share of Stock on the date in question on the
stock exchange determined by the Committee to be the primary market for the
Stock, as such price is officially quoted in the composite tape of transactions
on such exchange. If there is no sale of Stock on such exchange on the date in
question, then the fair market value shall be the closing selling price on the
exchange on the last preceding date for which such quotation exists.

                  5.7      PROMISSORY NOTE. Subject to the requirements of
applicable state or Federal law or margin requirements, payment of all or part
of the purchase price of the Stock may be made by delivery of a full recourse
promissory note ("Promissory Note"). The Promissory Note shall be executed by
the optionee, made payable to the Corporation and bear interest at such rate as
the Committee shall determine, but in no case less than the minimum rate which
will not cause under the Code (i) interest to be imputed, (ii) original issue
discount to exist, or (iii) any other similar results to occur. Unless otherwise
determined by the Committee, interest on the Note shall be payable in quarterly
installments on March 31, June 30, September 30 and December 31 of each year. A
Promissory Note shall contain such other terms and

                                       5
<PAGE>

conditions as may be determined by the Committee; provided, however, that the
full principal amount of the Promissory Note and all unpaid interest accrued
thereon shall be due not later than five years from the date of exercise. The
Corporation may obtain from the optionee a security interest in all shares of
Stock issued to the optionee under the Plan for the purpose of securing payment
under the Promissory Note and may retain possession of the stock certificates
representing such shares in order to perfect its security interest.

                  5.8      RIGHTS AS A SHAREHOLDER. An optionee or successor
shall have no rights as a shareholder with respect to any Stock underlying any
option until the date of the issuance to such optionee of a certificate for such
Stock. No adjustment shall be made for dividends (ordinary or extraordinary,
whether in cash, securities or other property) or distributions or other rights
for which the record date is prior to the date such Stock certificate is issued,
except as provided in Section 6.

                  5.9      MODIFICATION, EXTENSION AND RENEWAL OF OPTIONS.
Subject to the terms and conditions of the Plan, the Committee may modify,
extend or renew outstanding options granted under the Plan, or accept the
surrender of outstanding options (to the extent not exercised) and authorize the
granting of new options in substitution therefor.

                  5.10     VESTING AND RESTRICTIONS. The Committee shall have
complete authority and discretion to set the terms, conditions, restrictions,
vesting schedules and other provisions of any option in the applicable Stock
Option Agreement and shall have complete authority to require conditions and
restrictions on any Stock issued pursuant to this Plan; provided, however, that.
except with respect to options granted to officers or directors of the
Corporation, options granted pursuant to this Plan shall be exercisable or
"vest" at the rate of at least 20% per year over the 5-year period beginning on
the date the option is granted. Options granted to officers and directors shall
become exercisable or "vest," subject to reasonable conditions, at any time
during any period established by the Corporation.

                  5.11     OTHER PROVISIONS. The Stock Option Agreements shall
contain such other provisions, including without limitation, restrictions or
conditions upon the exercise of options, as the Committee shall deem advisable.

         6.       ADJUSTMENTS UPON CHANGES IN CAPITALIZATION.

                  6.1      SUBDIVISION OR CONSOLIDATION. Subject to any required
action by shareholders of the Corporation, the number of shares of Stock covered
by each outstanding option, and the exercise price thereof, shall be
proportionately adjusted for any increase or decrease in the number of issued
shares of Stock of the Corporation resulting from a subdivision or consolidation
of shares, including, but not limited to, a stock split, reverse stock split,
recapitalization, continuation or reclassification, or the payment of a stock
dividend (but only on the Stock) or any other increase or decrease in the number
of such shares effected without receipt of consideration by the Corporation. Any
fraction of a share subject to option that would otherwise result from an
adjustment pursuant to this Section shall be rounded downward to the next full
number of shares without other compensation or consideration to the holder of
such option.

                                       6
<PAGE>

                  6.2      CAPITAL TRANSACTIONS. Upon a sale or exchange of all
or substantially all of the assets of the Corporation, a merger or consolidation
in which the Corporation is not the surviving corporation, a merger,
reorganization or consolidation in which the Corporation is the surviving
corporation and shareholders of the Corporation exchange their stock for
securities or property, a liquidation of the Corporation, or similar transaction
as determined by the Committee ("Capital Transaction"), this Plan and each
option issued under this Plan, whether vested or unvested, shall terminate,
unless such options are assumed by a successor corporation in a merger or
consolidation, immediately prior to such Capital Transaction; provided, however,
that unless the outstanding options are assumed by a successor corporation in a
merger or consolidation, subject to terms approved by the Committee, all
optionees will have the right, during the 15 days prior to such Capital
Transaction, to exercise all vested options. The Corporation shall, subject to
any nondisclosure provisions, attempt to provide optionees at least 15 days
notice of the option termination date. The Committee may (but shall not be
obligated to) (i) accelerate the vesting of any option or (ii) apply the
foregoing provisions, including but not limited to termination of this Plan and
options granted pursuant to the Plan, in the event there is a sale of 51% or
more of the stock of the Corporation in any two year period or a transaction
similar to a Capital Transaction.

                  6.3      ADJUSTMENTS. To the extent that the foregoing
adjustments relate to stock or securities of the Corporation, such adjustments
shall be made by the Committee, whose determination in that respect shall be
final, binding and conclusive.

                  6.4      ABILITY TO ADJUST. The grant of an option pursuant to
the Plan shall not affect in any way the right or power of the Corporation to
make adjustments, reclassifications, reorganizations or changes of its capital
or business structure or to merge, consolidate, dissolve, liquidate, sell or
transfer all or any part of its business or assets.

                  6.5      NOTICE OF ADJUSTMENT. Whenever the Corporation shall
take any action resulting in any adjustment provided for in this Section, the
Corporation shall forthwith deliver notice of such action to each optionee,
which notice shall set forth the number of shares subject to the option and the
exercise price thereof resulting from such adjustment.

                  6.6      LIMITATION ON ADJUSTMENTS. Any adjustment, assumption
or substitution of an Incentive Option shall comply with Section 425 of the
Code, if applicable.

         7.       NONASSIGNABILITY. Options granted under this Plan may not be
sold, pledged, assigned or transferred in any manner other than by will or by
the laws of intestate succession, and may be exercised during the lifetime of an
optionee only by such optionee. Any transfer in violation of this Section shall
void such option, and any Stock Option Agreement entered into by the optionee
and the Corporation regarding such transferred option shall be void and have no
further force or effect. No option shall be pledged or hypothecated in any way,
nor shall any option be subject to execution, attachment or similar process.

         8.       NO RIGHT OF EMPLOYMENT. Neither the grant nor exercise of any
option nor anything in this Plan shall impose upon the Corporation or any other
corporation any obligation to employ or continue to employ any optionee. The
right of the Corporation and any

                                       7
<PAGE>

other corporation to terminate any employee shall not be diminished or affected
because an option has been granted to such employee.

         9.       TERM OF PLAN. This Plan is effective on the date the Plan is
adopted by the Board of Directors and options may be granted pursuant to the
Plan from time to time within a period of ten (10) years from such date, or the
date of any required shareholder approval required under the Plan, if earlier.
Termination of the Plan shall not affect any option theretofore granted.

         10.      AMENDMENT OF THE PLAN. The Board of Directors of the
Corporation may, subject to any required shareholder approval, suspend,
discontinue or terminate the Plan, or revise or amend it in any respect
whatsoever with respect to any shares of Stock at that time not subject to
options.

         11.      APPLICATION OF FUNDS. The proceeds received by the Corporation
from the sale of Stock pursuant to options may be used for general corporate
purposes.

         12.      RESERVATION OF SHARES. The Corporation, during the term of
this Plan, shall at all times reserve and keep available such number of shares
of Stock as shall be sufficient to satisfy the requirements of the Plan.

         13.      NO OBLIGATION TO EXERCISE OPTION. The granting of an option
shall not impose any obligation upon the optionee to exercise such option.

         14.      APPROVAL OF BOARD OF DIRECTORS AND SHAREHOLDERS. The Plan
shall not take effect until approved by the Board of Directors of the
Corporation. This Plan shall be approved by a vote of the shareholders within 12
months from the date of approval by the Board of Directors. In the event such
shareholder vote is not obtained, all options granted hereunder, whether vested
or unvested, shall be null and void. Further, any stock acquired pursuant to the
exercise of any options under this Agreement may not count for purposes of
determining whether shareholder approval has been obtained.

         15.      WITHHOLDING TAXES. Notwithstanding anything else to the
contrary in this Plan or any Stock Option Agreement, the exercise of any option
shall be conditioned upon payment by such optionee in cash, or other provisions
satisfactory to the Committee, of all local, state, federal or other withholding
taxes applicable, in the Committee's judgment, to the exercise or to later
disposition of shares acquired upon exercise of an option.

         16.      PARACHUTE PAYMENTS. Any outstanding option under the Plan may
not be accelerated to the extent any such acceleration of such option would,
when added to the present value of other payments in the nature of compensation
which becomes due and payable to the optionee would result in the payment to
such optionee of an excess parachute payment under Section 280G of the Code. The
existence of any such excess parachute payment shall be determined in the sole
and absolute discretion of the Committee.

         17.      SECURITIES LAWS COMPLIANCE. Notwithstanding anything contained
herein, the Corporation shall not be obligated to grant any option under this
Plan or to sell, issue or effect any transfer of any Stock unless such grant,
sale, issuance or transfer is at such time effectively (i) registered or exempt
from registration under the Securities Act of 1933, as

                                       8
<PAGE>

amended (the "Act"), and (ii) qualified or exempt from qualification under the
California Corporate Securities Law of 1968 and any other applicable state
securities laws. As a condition to exercise of any option, each optionee shall
make such representations as may be deemed appropriate by counsel to the
Corporation for the Corporation to use any available exemption from registration
under the Act or qualification under any applicable state securities law.

         18.      RESTRICTIVE LEGENDS. The certificates representing the Stock
issued upon exercise of options granted pursuant to this Plan will bear any
legends required by applicable securities laws as determined by the Committee.

         19.      NOTICES. Any notice to be given under the terms of the Plan
shall be addressed to the Corporation in care of its Secretary at its principal
office, and any notice to be given to an optionee shall be addressed to such
optionee at the address maintained by the Corporation for such person or at such
other address as the optionee may specify in writing to the Corporation.

         20.      INFORMATION TO PARTICIPANTS. The Corporation shall make
available to all holders of options the information required pursuant to Section
260.140.46 of the California Code of Regulations.

         As adopted by the Board of Directors on December 13, 2000.

                                    MITEK SYSTEMS, INC., a Delaware corporation

                                    By:    /s/ John M. Thornton
                                       ----------------------------------------
                                             John M. Thornton, Chairman

                                       9
<PAGE>

                                    EXHIBIT A

                               ____________, 2000

Mitek Systems, Inc.
10070 Carroll Canyon Road
San Diego, California  92131

         Re:  2000 Stock Option Plan
              ----------------------

To Whom It May Concern:

This letter is delivered to Mitek Systems, Inc., a Delaware corporation (the
"Corporation"), in connection with the grant to (the "Optionee") of an option
(the "Option") to purchase _____ shares of common stock of the Corporation (the
"Stock") pursuant to the Mitek Systems, Inc. 2000 Stock Option Plan dated
December 13, 2000 (the "Plan"). The Optionee understands that the Corporation's
receipt of this letter executed by the Optionee is a condition to the
Corporation's willingness to grant the Option to the Optionee.

The Optionee acknowledges that the grant of the Option by the Corporation is in
lieu of any and all other promises of the Corporation to the Optionee, whether
written or oral, express or implied, regarding the grant of options or other
rights to acquire Stock. Accordingly, in anticipation of the grant of the
Option, the Optionee hereby relinquishes all rights to such other rights, if
any, to acquire stock of the Corporation.

In addition, the Optionee makes the following representations and warranties
with the understanding that the Corporation will rely upon them.

         1.       The Optionee acknowledges receipt of a copy of the Plan and
Agreement. The Optionee has carefully reviewed the Plan and Agreement.

         2.       The Optionee acknowledges receipt of a prospectus regarding
the Plan which includes the information required by Section (a)(1) of Rule 428
under the Securities Act of 1933.

         3.       The Optionee understands and acknowledges that the Option and
the Stock are subject to the terms and conditions of the Plan.

         4.       The Optionee understands and agrees that, at the time of
exercise of any part of the Option for Stock, the Optionee may be required to
provide the Corporation with additional representations, warranties and/or
covenants similar to those contained in this letter.

                               Exhibit A - Page 1
<PAGE>

         5.       The Optionee is a resident of the State of __________.

         6.       The Optionee will notify the Corporation immediately of any
change in the above information which occurs before the Option is exercised in
full by the Optionee.

         The foregoing representations and warranties are given on
______________, 2000 at ____________________.

                                        OPTIONEE:

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

                               Exhibit A - Page 2
<PAGE>

                                    EXHIBIT B

                               ____________, 2000

Mitek Systems, Inc.
10070 Carroll Canyon Road
San Diego, California  92131

         Re:  2000 Stock Option Plan
              ----------------------

To Whom It May Concern:

I (the "Optionee") hereby exercise my right to purchase shares of common stock
(the "Stock") of Mitek Systems, Inc., a Delaware corporation (the
"Corporation"), pursuant to, and in accordance with, the Mitek Systems, Inc.
2000 Stock Option Plan dated December 13, 2000 (the "Plan") and Stock Option
Agreement (the "Agreement") dated , 2000. As provided in such Plan, I deliver
herewith payment as set forth in the Plan in the amount of the aggregate option
exercise price. Please deliver to me at my address as set forth above stock
certificates representing the subject shares registered in my name (and (spouse)
, as (style of vesting)).

The Optionee hereby represents and agrees as follows:

         1.       The Optionee acknowledges receipt of a copy of the Plan and
Agreement. The Optionee has carefully reviewed the Plan and Agreement.

         2.       The Optionee is a resident of the State of __________.

         3.       The Optionee represents and agrees that if the Optionee is an
"affiliate" (as defined in Rule 144 under the Securities Act of 1933) of the
Corporation at the time the Optionee desires to sell any of the Stock, the
Optionee will be subject to certain restrictions under, and will comply with all
of the requirements of, applicable federal and state securities laws.

The foregoing representations and warranties are given on_______________________
at ______________________.

                                    OPTIONEE:

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

                               Exhibit B - Page 1

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