Document:

<PAGE>

                                                                   EXHIBIT 10.15

                      SECOND AMENDMENT TO LEASE AGREEMENT

     This Second Amendment to Lease Agreement ("Amendment") is entered into as
of May 6, 1999, by and between KOLL/INTEREAL BAY AREA, a California general
partnership ("Landlord"), and IGS TECHNOLOGIES, INC., a California corporation
("Tenant"), formerly known as InteGraphics System, Inc., with reference to the
following facts:

                                   Recitals
                                   --------

     A.   Landlord and Tenant entered into that certain lease agreement dated
October 27, 1995, as amended by that certain First Amendment to Lease Agreement
dated as of January 15, 1999 (said lease agreement as amended by said amendment
is referred to herein as the Lease), for premises located in the City of Santa
Clara, County of Santa Clara, State of California, more particularly described
in the Lease and commonly known as 4001 Burton Drive ("Premises").

     B.   Landlord and Tenant now wish to further amend the Lease to extend the
existing term of the Lease for an additional five (5) years as more particularly
set forth hereinbelow.

     NOW, THEREFORE, in consideration of the covenants and agreements contained
in this Amendment and other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, Landlord and Tenant agree as
follows:

                           Amendments and Agreements
                           -------------------------

     1.   Recitals. All of the above recitals are true and correct.
          --------

     2.   Definitions. Unless otherwise defined in this Amendment, all
          -----------
capitalized terms used in this Amendment which are not defined in this Amendment
shall have the same meaning and definition given them in the Lease.

     3.   Extension of Term. The existing term of the Lease is hereby extended
          -----------------
for an additional five (5) years commencing on August 1, 1999 and expiring on
July 31, 2003 ("Extension Period"). All references in the Lease and in this
Amendment to "Term" shall mean the existing term of the Lease as extended
through the Extension Period.

     4.   Monthly Rent. Net Monthly Rent for each and every month of the
          ------------
Extension Period shall be as follows:

               Months of Term                          Net Monthly Rent
               --------------                          ----------------

               1 through 12                            $25,567.23 per month/NNN
               13 through 24                           $27,216.75 per month/NNN
               25 through 36                           $29,691.00 per month/NNN
               37 through 48                           $32,165.25 per month/NNN

     5.   Additional Security Deposit. Concurrently with Tenant's execution of
          ---------------------------
this Amendment, Tenant shall deposit with Landlord the sum of Eighteen Thousand
One Hundred Forty-Four and 50/100ths Dollars ($16,495) ("Additional Security
Deposit") as an additional security deposit under the Lease. All references in
the Lease to "Security Deposit" shall mean the existing cash security deposit
under the Lease in the amount of Fifteen Thousand Six Hundred Seventy and
25/100ths Dollars ($15,670.25) and the Additional Security Deposit.

                                       1
<PAGE>

     6.   As Is. Tenant shall lease the Premises for the Extension Period in its
          -----
"AS IS" condition on the date of the commencement of the Extension Period.
Landlord shall have no obligation to make any improvements, alterations,
modifications, repairs or refurbishments of any nature whatsoever to the
Premises as a condition to or in connection with Tentant's lease of the Premises
for the Extension Period.

     7.   Brokers. Each of Landlord and Tenant represent and warrant to the
          -------
other that neither it nor its officers, partners, agents, or anyone acting on
behalf of it, has dealt with any real estate broker in the negotiating or making
of this Amendment, except that Landlord has dealt with CB Richard Ellis, Inc., a
Delaware corporation ("CBRE"), in the negotiating and making of this Amendment.
Each of Landlord and Tenant agree to indemnify and hold the other harmless from
any claims, costs, or expenses, including reasonable attorneys' fees and costs,
incurred by the indemnified party in conjunction with any claim of any broker to
a commission in connection with this Amendment as a result of the acts or
omissions of the indemnifying party. Any commission or other compensation due
CBRE in connection with this Amendment shall be paid by Landlord.

     8.   Inconsistency. In the event of any inconsistency or conflict between
          -------------
the terms of this Amendment and the terms of the Lease with respect to the
matters which are the subject of this Amendment, the terms of this Amendment
shall control.

     9.   Ratification. Except as amended by this Amendment, the terms and
          ------------
provisions of the Lease are hereby ratified, confirmed, and shall remain in full
force and effect.

     IN WITNESS WHEREOF, Landlord and Tenant have executed this Amendment as of
the day and year first hereinabove written.

                                LANDLORD:

                                KOLL/INTEREAL BAY AREA,
                                a California general partnership

                                By:  CB Richard Ellis, Inc.,
                                     a Delaware corporation
                                Its: Managing Agent

                                By:  /s/ Leland A. Waller Jr.
                                     ------------------------

                                Its:   Director
                                     ------------------------

                                TENANT:

                                IGS TECHNOLOGIES, INC.,
                                a California Corporation

                                By: /s/ John O'Shea
                                    -------------------------

                                Its:  V.P. CFO
                                    -------------------------

                                By:__________________________

                                Its:_________________________

                                       2
<PAGE>

JLA CREDIT CORPORATION                                                  COPY

Lease # 141472-
        -------------
Application # 954608

                                  SCHEDULE A

Lessee:   INTEGRAPHICS SYSTEMS, INC.

Equipment Location: 4001 Benton Drive
                    Santa Clara, CA 95054

Equipment Description:

     Quantity    Description
     --------    -----------

     (34)        HON, 8x8 Cubicles, partitions only, includes electrical
     (42)        62x60 Panels
     (1)         62x48 Panel
     (9)         3 Way Connectors
     (12)        End Caps
     (25)        180 Degree Connectors
     (4)         HON, 8x8 Cubicles, partitions only, includes electrical
     (1)         48x48x24 Corner to match HON Wilsonart 1500N-60 Gray
     (1)         24x48 Worksurface, T-Mold
     (2)         HON 24" Cantilever Bracket
     (2)         HON Worksurface Bracket Kit
     (6)         HON 62 x 36 Panel - P Top
     (6)         64" Corner Connector 90 Degree
     (1)         HON 43 x 24 Panel - P Top
     (2)         HON 42 x 36 Panel - P Top
     (4)         HON 42 x 48 Panel - P Top
     (3)         HON 42" Straight Connector
     (3)         HON 43" Ell Connector
     (2)         HON 42" End Cover
     (2)         HON B/B/F Pedestal 22D
     (1)         HON 72 x 24D Worksurface
     (2)         HON Base Feed
     (2)         HON Bracket
     (1)         HON Countertop 72" Straight
     (11)        64" Corner Connector 90 Degree
     (14)        HON 64" x 36" Panel
     (62)        238 Gray Mix Fabric
     (1)         HON 64" Cross Connector
                                                        Lessee's Initials:  K.L.
                                                                            ----

                                       3<PAGE>

                                                                    EXHIBIT 10.1

                                 DATASURF INC.

                             1996 STOCK OPTION PLAN

          1.  PURPOSES OF THE PLAN.  The purposes of this 1996 Stock Option Plan
              --------------------
are to attract and retain the best available personnel for positions of
substantial responsibility, to provide additional incentive to Employees and
Consultants of the Company and its Subsidiaries and to promote the success of
the Company's business. Options granted under the Plan may be incentive stock
options (as defined under Section 422 of the Code) or nonstatutory stock
options, as determined by the Administrator at the time of grant of an option
and subject to the applicable provisions of Section 422 of the Code, as amended,
and the regulations promulgated thereunder.

          2.  DEFINITIONS.  As used herein, the following definitions shall
              -----------
apply:

              (a) "ADMINISTRATOR" means the Board or any of its Committees
                   -------------
appointed pursuant to Section 4 of the Plan

              (b) "BOARD" means the Board of Directors of the Company.
                   -----

              (c) "CODE" means the Internal Revenue Code of 1986, as amended.
                   ----

              (d) "COMMITTEE" means the Committee appointed by the Board of
                   ---------
Directors in accordance with Section 4(a) of the Plan.

              (e) "COMMON STOCK" means the Common Stock of the Company.
                   ------------

              (f) "COMPANY" means DataSurf Inc., a Delaware corporation.
                   -------

              (g) "CONSULTANT" means any person, including an advisor, who
                   ----------
is engaged by the Company or any Parent or Subsidiary to render services and is
compensated for such services, and any director of the Company whether
compensated for such services or not.

              (h) "CONTINUOUS STATUS AS AN EMPLOYEE OR CONSULTANT" means the
                   ----------------------------------------------
absence of any interruption or termination of service as an Employee or
Consultant. Continuous Status as an Employee or Consultant shall not be
considered interrupted in the case of (i) sick leave; (ii) military leave;
(iii) any other leave of absence approved by the Administrator, provided that
such leave is for a period of not more than ninety (90) days, unless
reemployment upon the expiration of such leave is guaranteed by contract or
statute, or unless provided otherwise pursuant to Company policy adopted from
time to time; or (iv) in the case of transfers between locations of the Company
or between the Company, its Subsidiaries or their respective successors. For
purposes of this Plan, a change in status from an Employee to a Consultant or
from a Consultant to an Employee will not constitute an interruption of
Continuous Status as an Employee or Consultant.
<PAGE>

              (i) "EMPLOYEE" means any person, including officers and directors,
                   --------
employed by the Company or any Parent or Subsidiary of the Company, with the
status of employment determined based upon such minimum number of hours or
periods worked as shall be determined by the Administrator in its discretion,
subject to any requirements of the Code. The payment of a director's fee to a
Director shall not be sufficient to constitute "employment" of such Director by
the Company.

              (j) "EXCHANGE ACT" means the Securities Exchange Act of 1934, as
                   ------------
amended.

              (k) "FAIR MARKET VALUE" means, as of any date, the fair market
                   -----------------
value of Common Stock determined as follows:

                  (i)    If the Common Stock is listed on any established stock
exchange or a national market system including without limitation the National
Market of the National Association of Securities Dealers, Inc. Automated
Quotation ("NASDAQ") System, its Fair Market Value shall be the closing sales
            ------
price for such stock (or the closing bid, if no sales were reported), as quoted
on such system or exchange, or the exchange with the greatest volume of trading
in Common Stock for the last market trading day prior to the time of
determination, as reported in The Wall Street Journal or such other source as
the Administrator deems reliable;

                  (ii)   If the Common Stock is quoted on the NASDAQ System (but
not on the National Market thereof) or regularly quoted by a recognized
securities dealer but selling prices are not reported, its Fair Market Value
shall be the mean between the high bid and low asked prices for the Common Stock
for the last market trading day prior to the time of determination, as reported
in The Wall Street Journal or such other source as the Administrator deems
reliable; or

                  (iii)  In the absence of an established market for the Common
Stock, the Fair Market Value thereof shall be determined in good faith by the
Administrator.

              (1) "INCENTIVE STOCK OPTION" means an Option intended to
                   ----------------------
qualify as an incentive stock option within the meaning of Section 422 of the
Code, as designated in the applicable written option agreement.

              (m) "NONSTATUTORY STOCK OPTION" means an Option not intended
                   -------------------------
to qualify as an Incentive Stock Option, as designated in the applicable written
option agreement.

              (n) "OPTION" means a stock option granted pursuant to the Plan.
                   ------

              (o) "OPTION STOCK" means the Common Stock subject to an Option.
                   ------------

              (p) "OPTIONEE" means an Employee or Consultant who receives an
                   --------
Option.
<PAGE>

              (q) "PARENT" means a "PARENT CORPORATION," whether now or
                   ------           ------------------
hereafter existing, as defined in Section 424(e) of the Code, or any successor
provision.

              (r) "PLAN" means this 1996 Stock Option Plan.
                   ----

              (s) "REPORTING PERSON" means an officer, director, or greater
                   ----------------
than ten percent stockholder of the Company within the meaning of Rule 16a-2
under the Exchange Act, who is required to file reports pursuant to Rule 16a-3
under the Exchange Act.

              (t) "RULE 16B-3" means Rule 16b-3 promulgated under the Exchange
                   ----------
Act, as the same may be amended from time to time, or any successor provision.

              (u) "SHARE" means a share of the Common Stock, as adjusted in
                   -----
accordance with Section 11 of the Plan.

              (v) "STOCK EXCHANGE" means any stock exchange or consolidated
                   --------------
stock price reporting system on which prices for the Common Stock are quoted at
any given time.

              (w) "SUBSIDIARY" means a "SUBSIDIARY CORPORATION," whether now
                   ----------           ----------------------
or hereafter existing, as defined in Section 424(f) of the Code, or any
successor provision.

          3.  STOCK SUBJECT TO THE PLAN.  Subject to the provisions of Section
              -------------------------
11 of the Plan, the maximum aggregate number of shares that may be optioned and
sold under the Plan is 1,290,084 shares of Common Stock. The shares may be
authorized, but unissued, or reacquired Common Stock. If an Option should expire
or become unexercisable for any reason without having been exercised in full,
the unpurchased Shares that were subject thereto shall, unless the Plan shall
have been terminated, become available for future grant under the Plan. In
addition, any shares of Common Stock which are retained by the Company upon
exercise of an Option in order to satisfy the exercise or purchase price for
such Option or any withholding taxes due with respect to such exercise shall be
treated as not issued and shall continue to be available under the Plan. Shares
repurchased by the Company pursuant to any repurchase right which the Company
may have shall not be available for future grant under the Plan.

          4.  ADMINISTRATION OF THE PLAN.
              --------------------------

              (a)  INITIAL PLAN PROCEDURE. Prior to the date, if any, upon which
                   ----------------------
the Company becomes subject to the Exchange Act, the Plan shall be administered
by the Board or a committee appointed by the Board.

              (b)  PLAN PROCEDURE AFTER THE DATE, IF ANY, UPON WHICH THE COMPANY
                   -------------------------------------------------------------
BECOMES SUBJECT TO THE EXCHANGE ACT.
-----------------------------------

                   (i)  MULTIPLE ADMINISTRATIVE BODIES. If permitted by Rule
                        ------------------------------
16b-3, grants under the Plan may be made by different bodies with respect to
directors, non-director officers and Employees or Consultants who are not
Reporting Persons.
<PAGE>

                  (ii)   ADMINISTRATION WITH RESPECT TO REPORTING PERSONS. With
                         ------------------------------------------------
respect to grants of Options to Employees who are Reporting Persons, such grants
shall be made by (A) the Board if the Board may make grants to Reporting Persons
under the Plan in compliance with Rule 16b-3, or (B) a committee designated by
the Board to make grants to Reporting Persons under the Plan, which committee
shall be constituted in such a manner as to permit grants under the Plan to
comply with Rule 16b-3. Once appointed, such committee shall continue to serve
in its designated capacity until otherwise directed by the Board. From time to
time the Board may increase the size of the committee and appoint additional
members thereof, remove members (with or without cause) and appoint new members
in substitution therefor, fill vacancies, however caused, and remove all members
of the committee and thereafter directly make grants to Reporting Persons under
the Plan, all to the extent permitted by Rule 16b-3.

                   (iii) ADMINISTRATION WITH RESPECT TO CONSULTANTS AND OTHER
                         ----------------------------------------------------
EMPLOYEES. With respect to grants of Options to Employees or Consultants who are
---------
not Reporting Persons, the Plan shall be administered by (A) the Board or (B) a
committee designated by the Board, which committee shall be constituted in such
a manner as to satisfy the legal requirements relating to the administration of
incentive stock option plans, if any, of applicable corporate and securities
laws, of the Code and of any applicable Stock Exchange (the "APPLICABLE LAWS").
                                                             ---------------
Once appointed, such Committee shall continue to serve in its designated
capacity until otherwise directed by the Board. From time to time the Board may
increase the size of the Committee and appoint additional members thereof,
remove members (with or without cause) and appoint new members in substitution
therefor, fill vacancies, however caused, and remove all members of the
Committee and thereafter directly administer the Plan, all to the extent
permitted by the Applicable Laws.

              (c) POWERS OF THE ADMINISTRATOR.  Subject to the provisions of
                  ---------------------------
the Plan and in the case of a Committee, the specific duties delegated by the
Board to such Committee, and subject to the approval of any relevant
authorities, including the approval, if required, of any Stock Exchange, the
Administrator shall have the authority, in its discretion:

                  (i)   to determine the Fair Market Value of the Common Stock,
in accordance with Section 2(k) of the Plan;

                  (ii)  to select the Consultants and Employees to whom Options
may from time to time be granted hereunder;

                  (iii) to determine whether and to what extent Options or any
combination thereof are granted hereunder;

                  (iv)  to determine the number of shares of Common Stock to be
covered by each such option granted hereunder;

                  (v)   to approve forms of agreement for use under the Plan;
<PAGE>

                  (vi)   to determine the terms and conditions, not inconsistent
with the terms of the Plan, of any option granted hereunder;

                  (vii)  to determine whether and under what circumstances an
Option may be settled in cash under Section 9(f) instead of Common Stock;

                  (viii) to reduce the exercise price of any Option to the then
current Fair Market Value if the Fair Market Value of the Common Stock covered
by such Option shall have declined since the date the Option was granted;

                  (ix)   to construe and interpret the terms of the Plan and
Options granted under the Plan; and

                  (x)    in order to fulfill the purposes of the Plan and
without amending the Plan, to modify grants of Options to participants who are
foreign nationals or employed outside of the United States in order to recognize
differences in local law, tax policies or customs.

              (d) EFFECT OF ADMINISTRATOR'S DECISION.  All decisions, determi-
                  ----------------------------------
nations and interpretations of the Administrator shall be final and binding on
all holders of Options.

          5.  ELIGIBILITY.
              -----------

              (a) RECIPIENTS OF GRANTS.  Nonstatutory Stock Options may be
                  --------------------
granted to Employees and Consultants. Incentive Stock Options may be granted
only to Employees. An Employee or Consultant who has been granted an Option may,
if he or she is otherwise eligible, be granted additional Options.

              (b) TYPE OF OPTION.  Each Option shall be designated in the
                  --------------
written option agreement as either an Incentive Stock Option or a Nonstatutory
Stock Option. However, notwithstanding such designations, to the extent that the
aggregate Fair Market Value of the Shares with respect to which Options
designated as Incentive Stock Options are exercisable for the first time by any
Optionee during any calendar year (under all plans of the Company or any Parent
or Subsidiary) exceeds $100,000, such excess Options shall be treated as
Nonstatutory Stock Options. For purposes of this Section 5(b), Incentive Stock
Options shall be taken into account in the order in which they were granted, and
the Fair Market Value of the Shares subject to an Incentive Stock Option shall
be determined as of the date of the grant of such Option.

              (c) EMPLOYMENT RELATIONSHIP.  The Plan shall not confer upon
                  -----------------------
any Optionee any right with respect to continuation of employment or consulting
relationship with the Company, nor shall it interfere in any way with such
Optionee's right or the Company's right to terminate his or her employment or
consulting relationship at any time, with or without cause.

          6.  TERM OF PLAN.  The Plan shall become effective upon the earlier
              ------------
to occur of its adoption by the Board of Directors or its approval by the
stockholders of the Company as
<PAGE>

described in Section 18 of the Plan. It shall continue in effect for a term of
ten (10) years unless sooner terminated under Section 14 of the Plan.

          7.  TERM OF OPTION. The term of each Option shall be the term stated
              --------------
in the Option Agreement; provided, however, that the term shall be no more than
ten (10) years from the date of grant thereof or such shorter term as may be
provided in the Option Agreement. However, in the case of an Incentive Stock
Option granted to an Optionee who, at the time the Option is granted, owns stock
representing more than ten percent (10%) of the total combined voting power of
all classes of stock of the Company or any Parent or Subsidiary, the term of the
Option shall be five (5) years from the date of grant thereof or such shorter
term as may be provided in the Option Agreement.

          8.  OPTION EXERCISE PRICE AND CONSIDERATION.
              ---------------------------------------

              (a)   The per share exercise price for the Shares to be issued
pursuant to exercise of an Option shall be such price as is determined by the
Board, but shall be subject to the following:

                    (i)   In the case of an Incentive Stock Option that is:

                      (A)  granted to an Employee who, at the time of the grant
of such Incentive Stock Option, owns stock representing more than ten percent
(10%) of the total combined voting power of all classes of stock of the Company
or any Parent or Subsidiary, the per Share exercise price shall be no less than
110% of the Fair Market Value per Share on the date of grant.

                      (B)  granted to any Employee, the per Share exercise price
shall be no less than 100% of the Fair Market Value per Share on the date of
grant.

                     (ii) In the case of a Nonstatutory Stock Option that is:

                      (A)  granted to a person who, at the time of the grant of
such Option, owns stock representing more than ten percent (10%) of the total
combined voting power of all classes of stock of the Company or any Parent or
Subsidiary, the per Share exercise price shall be no less than 110% of the Fair
Market Value per Share on the date of the grant.

                      (B)  granted to any person, the per Share exercise price
shall be no less than 85% of the Fair Market Value per Share on the date of
grant.

              (b)   The consideration to be paid for the Shares to be issued
upon exercise of an Option, including the method of payment, shall be determined
by the Administrator (and, in the case of an Incentive Stock Option, shall be
determined at the time of grant) and may consist entirely of (1) cash, (2)
check, (3) promissory note, (4) other Shares that (x) in the case of Shares
acquired upon exercise of an Option, have been owned by the Optionee for more
than six months on the date of surrender or such other period as may be required
to avoid a charge to the Com-
<PAGE>

pany's earnings, and (y) have a Fair Market Value on the date of surrender equal
to the aggregate exercise price of the Shares as to which such Option shall be
exercised, (5) authorization for the Company to retain from the total number of
Shares as to which the Option is exercised that number of Shares having a Fair
Market Value on the date of exercise equal to the exercise price for the total
number of Shares as to which the Option is exercised, (6) delivery of a properly
executed exercise notice together with such other documentation as the
Administrator and the broker, if applicable, shall require to effect an exercise
of the Option and delivery to the Company of the sale or loan proceeds required
to pay the exercise price and any applicable income or employment taxes, (7)
delivery of an irrevocable subscription agreement for the Shares, that
irrevocably obligates the option holder to take and pay for the Shares not more
than twelve months after the date of delivery of the subscription agreement, (8)
any combination of the foregoing methods of payment, or (9) such other
consideration and method of payment for the issuance of Shares to the extent
permitted under Applicable Laws. In making its determination as to the type of
consideration to accept, the Administrator shall consider if acceptance of such
consideration may be reasonably expected to benefit the Company.

          9.  EXERCISE OF OPTION.
              ------------------

              (a)   PROCEDURE FOR EXERCISE; RIGHTS AS A STOCKHOLDER. Any
                    ---------------------------------------------------
Option granted hereunder shall be exercisable at such times and under such
conditions as determined by the Administrator, including performance criteria
with respect to the Company and/or the Optionee, and as shall be permissible
under the terms of the Plan; provided that such Option shall become exercisable
at the rate of at least twenty percent (20%) per year over five (5) years from
the date the Option is granted. In the event that any of the Shares issued upon
exercise of an Option should be subject to a right of repurchase in the
Company's favor, such repurchase right shall lapse at the rate of at least
twenty percent (20%) per year over five (5) years from the date the Option is
granted.

          An Option may not be exercised for a fraction of a Share.

          An Option shall be deemed to be exercised when written notice of such
exercise has been given to the Company in accordance with the terms of the
Option by the person entitled to exercise the Option and the Company has
received full payment for the Shares with respect to which the Option is
exercised. Full payment may, as authorized by the Board, consist of any
consideration and method of payment allowable under Section 8(b) of the Plan.
Until the issuance (as evidenced by the appropriate entry on the books of the
Company or of a duty authorized transfer agent of the Company) of the stock
certificate evidencing such Shares, no right to vote or receive dividends or any
other rights as a stockholder shall exist with respect to the Optioned Stock,
not withstanding the exercise of the Option. The Company shall issue (or cause
to be issued) such stock certificate promptly upon exercise of the Option. No
adjustment will be made for a dividend or other right for which the record date
is prior to the date the stock certificate is issued, except as provided in
Section 11 of the Plan.
<PAGE>

          Exercise of an Option in any manner shall result in a decrease in the
number of Shares that thereafter may be available, both for purposes of the Plan
and for sale under the Option, by the number of Shares as to which the Option is
exercised.

              (b)   TERMINATION OF EMPLOYMENT OR CONSULTING RELATIONSHIP.
                    ----------------------------------------------------
Subject to Section 9(c), in the event of termination of an Optionee's Continuous
Status as an Employee or Consultant with the Company, such Optionee may, but
only within three (3) months (or such other period of time not less than thirty
(30) days as is determined by the Administrator, with such determination in the
case of an Incentive Stock Option being made at the time of grant of the Option
and not exceeding three (3) months after the date of such termination (but in
no event later than the expiration date of the term of such Option as set forth
in the Option Agreement), exercise his or her Option to the extent that the
Optionee was entitled to exercise it at the date of such termination. To the
extent that Optionee was not entitled to exercise the Option at-the date of such
termination, or if Optionee does not exercise such Option to the extent so
entitled within the time specified herein, the Option shall terminate. No
termination shall be deemed to occur and this Section 9(b) shall not apply if
(i) the Optionee is a Consultant who becomes an Employee; or (ii) the Optionee
is an Employee who becomes a Consultant.

              (c)   DISABILITY OF OPTIONEE
                    ----------------------

                  (i)    Notwithstanding Section 9(b) above, in the event of
termination of an Optionee's Continuous Status as an Employee or Consultant as a
result of his or her total and permanent disability (within the meaning of
Section 22(e)(3) of the Code), Optionee may, but only within twelve (12) months
from the date of such termination (but in no event later than the expiration
date of the term of such Option as set forth in the Option Agreement), exercise
the Option to the extent otherwise entitled to exercise it at the date of such
termination. To the extent that Optionee was not entitled to exercise the Option
at the date of termination, or if Optionee does not exercise such Option to the
extent so entitled within the time specified herein, the Option shall terminate.

                  (ii)   In the event of termination of an Optionee's Continuous
Status as an Employee or Consultant as a result of a disability which does not
fall within the meaning of total and permanent disability (as set forth in
Section 22(e)(3) of the Code), Optionee may, but only within six (6) months from
the date of such termination (but in no event later than the expiration date of
the term of such Option as set forth in the Option Agreement), exercise the
Option to the extent otherwise entitled to exercise it at the date of such
termination. However, to the extent that such Optionee fails to exercise an
Option which is an Incentive Stock Option ("ISO") (within the meaning of Section
422 of the Code) within three (3) months of the date of such termination, the
Option will not qualify for ISO treatment under the Code. To the extent that
Optionee was not entitled to exercise the Option at the date of termination, or
if Optionee does not exercise such Option to the extent so entitled within six
months (6) from the date of termination, the Option shall terminate.

              (d)   DEATH OF OPTIONEE. In the event of the death of an Optionee
                    -----------------
during the period of Continuous Status as an Employee or Consultant since the
date of grant of the Option,
<PAGE>

or within thirty (30) days following termination of Optionee's Continuous Status
as an Employee or Consultant, the Option may be exercised, at any time within
six (6) months following the date of death (but in no event later than the
expiration date of the term of such Option as set forth in the Option
Agreement), by Optionee's estate or by a person who acquired the right to
exercise the Option by bequest or inheritance, but only to the extent of the
right to exercise that had accrued at the date of death or, if earlier, the date
of termination of Optionee's Continuous Status as an Employee or Consultant. To
the extent that Optionee was not entitled to exercise the Option at the date of
death or termination, as the case may be, or if Optionee does not exercise such
Option to the extent so entitled within the time specified herein, the Option
shall terminate.

              (e)   RULE 16B-3. Options granted to Reporting Persons shall
                    ----------
comply with Rule 16b-3 and shall contain such additional conditions or
restrictions as may be required thereunder to qualify for the maximum exemption
for Plan transactions.

              (f)   BUYOUT PROVISIONS. The Administrator may at any time offer
                    -----------------
to buy out for a payment in cash or Shares, an Option previously granted, based
on such terms and conditions as the Administrator shall establish and
communicate to the Optionee at the time that such offer is made.

          10. STOCK WITHHOLDING TO SATISFY WITHHOLDING TAX OBLIGATIONS. At the
              --------------------------------------------------------
discretion of the Administrator, Optionees may satisfy withholding obligations
as provided in this paragraph. When an Optionee incurs tax liability in
connection with an Option, which tax liability is subject to tax withholding
under applicable tax laws, and the Optionee is obligated to pay the Company an
amount required to be withheld under applicable tax laws, the Optionee may
satisfy the withholding tax obligation by one or some combination of the
following methods: (a) by cash payment, or (b) out of Optionee's current
compensation, (c) if permitted by the Administrator, in its discretion, by
surrendering to the Company Shares that (i) in the case of Shares previously
acquired from the Company, have been owned by the Optionee for more than six
months on the date of surrender, and (ii) have a fair market value on the date
of surrender equal to or less than Optionee's marginal tax rate times the
ordinary income recognized, or (d) by electing to have the Company withhold from
the Shares to be issued upon exercise of the Option, if any, that number of
Shares having a fair market value equal to the amount required to be withheld.
For this purpose, the fair market value of the Shares to be withheld shall be
determined on the date that the amount of tax to be withheld is to be determined
(the "TAX DATE").
      --------

          Any surrender by a Reporting Person of previously owned Shares to
satisfy tax withholding obligations arising upon exercise of this Option must
comply with the applicable provisions of Rule 16b-3.

          All elections by an Optionee to have Shares withheld to satisfy tax
withholding obligations shall be made in writing in a form acceptable to the
Administrator and shall be subject to the following restrictions:

              (a)   the election must be made on or prior to the applicable Tax
Date;
<PAGE>

              (b)   once made, the election shall be irrevocable as to the
particular Shares of the Option as to which the election is made; and

              (c)   all elections shall be subject to the consent or disapproval
of the Administrator.

In the event the election to have Shares withheld is made by an Optionee and the
Tax Date is deferred under Section 83 of the Code because no election is filed
under Section 83(b) of the Code, the Optionee shall receive the full number of
Shares with respect to which the Option is exercised but such Optionee shall be
unconditionally obligated to tender back to the Company the proper number of
Shares on the Tax Date.

          11.  ADJUSTMENTS UPON CHANGES IN CAPITALIZATION, MERGER OR CERTAIN
               -------------------------------------------------------------
OTHER TRANSACTIONS.
------------------

              (a)   CHANGES IN CAPITALIZATION. Subject to any required action by
                    -------------------------
the stockholders of the Company, the number of shares of Common Stock covered by
each outstanding Option, and the number of shares of Common Stock that have been
authorized for issuance under the Plan but as to which no Options have yet been
granted or that have been returned to the Plan upon cancellation or expiration
of an Option, as well as the price per share of Common Stock covered by each
such outstanding Option, shall be proportionately adjusted for any increase or
decrease in the number of issued shares of Common Stock resulting from a stock
split, reverse stock split, stock dividend, combination, recapitalization or
reclassification of the Common Stock, or any other increase or decrease in the
number of issued shares of Common Stock effected without receipt of
consideration by the Company; provided, however, that conversion of any
convertible securities of the Company shall not be deemed to have been "effected
without receipt of consideration." Such adjustment shall be made by the Board,
whose determination in that respect shall be final, binding and conclusive.
Except as expressly provided herein, no issuance by the Company of shares of
stock of any class, or securities convertible into shares of stock of any class,
shall affect, and no adjustment by reason thereof shall be made with respect to,
the number or price of shares of Common Stock subject to an Option.

              (b)   DISSOLUTION OR LIQUIDATION. In the event of the proposed
                    --------------------------
dissolution or liquidation of the Company, the Board shall notify the Optionee
at least fifteen (15) days prior to such proposed action. To the extent it has
not been previously exercised, the Option will terminate immediately prior to
the consummation of such proposed action.

              (c)   MERGER OR SALE OF ASSETS. In the event of a proposed sale of
                    ------------------------
all or substantially all of the Company's assets or a merger of the Company with
or into another corporation where the successor corporation issues its
securities to the Company's stockholders, each outstanding Option shall be
assumed or an equivalent option or right shall be substituted by such successor
corporation or a parent or subsidiary of such successor corporation, unless the
successor corporation does not agree to assume the Option or to substitute an
equivalent option, in which case such Option shall terminate upon the
consummation of the merger or sale of assets.
<PAGE>

              (d)   CERTAIN DISTRIBUTIONS. In the event of any distribution to
                    ---------------------
the Company's stockholders of securities of any other entity or other assets
(other than dividends payable in cash or stock of the Company) without receipt
of consideration by the Company, the Administrator may, in its discretion,
appropriately adjust the price per share of Common Stock covered by each
outstanding Option to reflect the effect of such distribution.

          12. NON-TRANSFERABILITY OF OPTIONS. Options may not be sold, pledged,
              ------------------------------
assigned, hypothecated, transferred, or disposed of in any manner other than by
will or by the laws of descent or distribution and may be exercised or purchased
during the lifetime of the Optionee, only by the Optionee.

          13. TIME OF GRANTING OPTIONS. The date of grant of an Option shall,
              ------------------------
for all purposes, be the date on which the Administrator makes the determination
granting such Option, or such other date as is determined by the Board; provided
however that in the case of any Incentive Stock Option, the grant date shall be
the later of the date on which the Administrator makes the determination
granting such Incentive Stock Option or the date of commencement of the
Optionee's employment relationship with the Company. Notice of the determination
shall be given to each Employee or Consultant to whom an Option is so granted
within a reasonable time after the date of such grant.

          14. AMENDMENT AND TERMINATION OF THE PLAN.
              -------------------------------------

              (a)   AUTHORITY TO AMEND OR TERMINATE. The Board may at any time
                    -------------------------------
amend, alter, suspend or discontinue the Plan, but no amendment, alteration,
suspension or discontinuation shall be made that would impair the rights of any
Optionee under any grant theretofore made, without his or her consent. In
addition, to the extent necessary and desirable to comply with Rule 16b-3 or
with Section 422 of the Code (or any other applicable law or regulation,
including the requirements of any Stock Exchange), the Company shall obtain
stockholder approval of any Plan amendment in such a manner and to such a degree
as required.

              (b)   EFFECT OF AMENDMENT OR TERMINATION. No amendment or
                    ----------------------------------
termination of the Plan shall adversely affect Options already granted, unless
mutually agreed otherwise between the Optionee and the Board, which agreement
must be in writing and signed by the Optionee and the Company.

          15. CONDITIONS UPON ISSUANCE OF SHARES. Shares shall not be issued
              ----------------------------------
pursuant to the exercise of an Option unless the exercise of such Option and the
issuance and delivery of such Shares pursuant thereto shall comply with all
relevant provisions of law, including, without limitation, the Securities Act of
1933, as amended, the Exchange Act, the rules and regulations promulgated
thereunder, and the requirements of any Stock Exchange.

          As a condition to the exercise of an Option, the Company may require
the person exercising such Option to represent and warrant at the time of any
such exercise that the Shares are being purchased only for investment and
without any present intention to sell or distribute
<PAGE>

such Shares if, in the opinion of counsel for the Company, such a representation
is required by law.

          16. RESERVATION OF SHARES. The Company, during the term of this Plan,
              ---------------------
will at all times reserve and keep available such number of Shares as shall be
sufficient to satisfy the requirements of the Plan. The inability of the Company
to obtain authority from any regulatory body having jurisdiction, which
authority is deemed by the Company's counsel to be necessary to the lawful
issuance and sale of any Shares hereunder, shall relieve the Company of any
liability in respect of the failure to issue or sell such Shares as to which
such requisite authority shall not have been obtained.

          17. AGREEMENTS. Options shall be evidenced by written agreements in
              ----------
such form as the Administrator shall approve from time to time.

          18. STOCKHOLDER APPROVAL. Continuance of the Plan shall be subject to
              --------------------
approval by the stockholders of the Company within twelve (12) months before or
after the date the Plan is adopted. Such stockholder approval shall be obtained
in the degree and manner required under applicable state and federal law and the
rules of any Stock Exchange upon which the Common Stock is listed. All Options
issued under the Plan shall become void in the event such approval is not
obtained.

          19. INFORMATION AND DOCUMENTS TO OPTIONEES. The Company shall provide
              --------------------------------------
 financial statements at least annually to each Optionee during the period such
 Optionee has one or more Options outstanding, and in the case of an individual
 who acquired Shares pursuant to the Plan, during the period such individual
 owns such Shares. The Company shall not be required to provide such information
 if the issuance of Options under the Plan is limited to key employees whose
 duties in connection with the Company assure their access to equivalent
 information. In addition, at the time of issuance of any securities under the
 Plan, the Company shall provide to the Optionee a copy of the Plan and a copy
 of any agreement(s) pursuant to which securities under the Plan are issued.
<PAGE>

                            TOP TIER SOFTWARE, INC.
                            ----------------------

                            1996 STOCK OPTION PLAN
                            ----------------------

                            STOCK OPTION AGREEMENT
                            ----------------------

     1.  GRANT OF OPTION. Top Tier Software, Inc., a Delaware corporation (the
         ---------------
"COMPANY"), hereby grants to _____________________________ ("OPTIONEE") an
 -------                                                     --------
option (the "OPTION") to purchase a total number of shares of Common Stock (the
             ------
"SHARES") set forth in the Notice of Stock Option Grant, at the exercise price
 ------
per share set forth in the Notice of Stock Option Grant (the "EXERCISE PRICE")
                                                              --------------
subject to the terms, definitions and provisions of the Top Tier Software, Inc.
1996 Stock Option Plan (the "PLAN") adopted by the Company, which is
                             ----
incorporated herein by reference. Unless otherwise defined herein, the terms
defined in the Plan shall have the same defined meanings in this Option.

     If designated an Incentive Stock Option, this Option is intended to qualify
as an Incentive Stock Option as defined in Section 422 of the Code.

     2.  EXERCISE OF OPTION. This Option shall be exercisable during its Term in
         ------------------
accordance with the Vesting Schedule set out in the Notice of Stock Option Grant
and with the provisions of Section 9 of the Plan as follows:

         (a)   RIGHT TO EXERCISE.
               -----------------

               (i)   This Option may be exercised in whole or in part at any
time after the Date of Grant, as to Shares which have not yet vested under the
vesting schedule indicated on the Notice of Stock Option Grant; PROVIDED,
                                                                --------
HOWEVER, that Optionee shall execute as a condition to such exercise of this
-------
Option, the Early Exercise Notice and Restricted Stock Purchase Agreement
attached hereto as Exhibit A (the "EARLY EXERCISE AGREEMENT"). If Optionee
                                   ------------------------
chooses to exercise this Option solely as to Shares which have vested under the
vesting schedule indicated on the Notice of Stock Option Grant, Optionee shall
complete and execute the form of Exercise Notice and Restricted Stock Purchase
Agreement attached hereto as Exhibit B (the "EXERCISE AGREEMENT").
                                             ------------------
Notwithstanding the foregoing, the Company may in its discretion prescribe or
accept a different form of notice of exercise and/or stock purchase agreement if
such forms are otherwise consistent with this Agreement, the Plan and then-
applicable law.

               (ii)  This Option may not be exercised for a fraction of a share.

               (iii) In the event of Optionee's death, disability or other
termination of employment, or consulting relationship the exercisability of the
Option is governed by Sections 5, 6 and 7 below, subject to the limitation
contained in Section 2(a)(iv) below.

               (iv)  In no event may this Option be exercised after the
Expiration Date of this Option as set forth in the Notice of Stock Option Grant.

         (b)   METHOD OF EXERCISE. This Option shall be exercisable by execution
               ------------------
and delivery of the Early Exercise Agreement or the Exercise Agreement,
whichever is applicable, or of any other written notice approved for such
purpose by the Company which shall state the election to exercise the Option,
the number of Shares in respect of which the Option is being exercised, and such
other representations and agreements as to the holder's investment intent with
respect to such shares of Common Stock as may be required by the Company
pursuant to the provisions of the Plan. Such written notice shall be signed by
Optionee and shall be delivered in person or by certified mail to the Secretary
of the Company. The written notice shall be accompanied by payment of the
Exercise Price. This Option shall be deemed to be exercised upon receipt by the
Company of such written notice accompanied by the Exercise Price.

     No Shares will be issued pursuant to the exercise of an Option unless such
issuance and such exercise shall comply with all relevant provisions of
applicable law, including the requirements of any stock exchange upon which
<PAGE>

the Shares may then be listed. Assuming such compliance, for income tax purposes
the Shares shall be considered transferred to Optionee on the date on which the
Option is exercised with respect to such Shares.

     3.   METHOD OF PAYMENT. Payment of the Exercise Price shall be by any of
          -----------------
the following, or a combination thereof, at the election of Optionee:

          (a)  cash;

          (b)  check;

          (c)  surrender of other shares of Common Stock of the Company which
(i) in the case of Shares acquired pursuant to the exercise of a Company option,
have been owned by Optionee for more than 6 months on the date of surrender, and
(ii) have a Fair Market Value on the date of surrender equal to the Exercise
Price of the Shares as to which the Option is being exercised;

          (d)  if there is a public market for the Shares and they are
registered under the Exchange Act, delivery of a properly executed exercise
notice together with irrevocable instructions to a broker to deliver promptly to
the Company the amount of sale or loan proceeds required to pay the Exercise
Price; or

          (e)  subject to Section 153 of the Delaware General Corporation Law, a
promissory note in the form attached to this Agreement as EXHIBIT C, or in any
                                                          ---------
other form approved by the Company.

     4.   RESTRICTIONS ON EXERCISE. This Option may not be exercised until such
          ------------------------
time as the Plan has been approved by the shareholders of the Company, or if the
issuance of such Shares upon such exercise or the method of payment of
consideration for such shares would constitute a violation of any applicable
federal or state securities or other law or regulation, including any rule under
Part 207 of Title 12 of the Code of Federal Regulations as promulgated by the
Federal Reserve Board. As a condition to the exercise of this Option, the
Company may require Optionee to make any representation and warranty to the
Company as may be required by any applicable law or regulation.

     5.   TERMINATION OF RELATIONSHIP. In the event of termination of Optionee's
          ---------------------------
Continuous Status as an Employee or Consultant, Optionee may, to the extent
otherwise so entitled at the date of such termination (the "TERMINATION DATE"),
                                                            ----------------
exercise this Option during the Termination Period set forth in the Notice of
Stock Option Grant. To the extent that Optionee was not entitled to exercise
this Option at such Termination Date, or if Optionee does not exercise this
Option within the Termination Period, the Option shall terminate.

     6.   DISABILITY OF OPTIONEE.
          ----------------------

          (a)  Notwithstanding the provisions of Section 5 above, in the event
of termination of Optionee's Continuous Status as an Employee or Consultant as a
result of his or her total and permanent disability (as defined in Section
22(e)(3) of the Code), Optionee may, but only within twelve months from the
Termination Date (but in no event later than the Expiration Date set forth in
the Notice of Stock Option Grant and in Section 9 below), exercise this Option
to the extent he or she was entitled to exercise it at such Termination Date. To
the extent that Optionee was not entitled to exercise the Option on the
Termination Date, or if Optionee does not exercise such Option to the extent so
entitled within the time specified in this Section 6(a), the Option shall
terminate.

          (b)  Notwithstanding the provisions of Section 5 above, in the event
of termination of Optionee's consulting relationship or Continuous Status as an
Employee as a result of a disability not constituting a total and permanent
disability (as set forth in Section 22(e)(3) of the Code), Optionee may, but
only within six months from the Termination Date (but in no event later than the
Expiration Date set forth in the Notice of Stock Option Grant and in Section 9
below), exercise the Option to the extent Optionee was entitled to exercise it
as of such Termination Date; provided, however, that if this is an Incentive
Stock Option and Optionee fails to exercise this Incentive Stock Option within
three months from the Termination Date, this Option will cease to qualify as in
Incentive Stock Option (as defined in Section 422 of the Code) and Optionee will
be treated for federal income tax

                                       2
<PAGE>

purposes as having received ordinary income at the time of such exercise in an
amount generally measured by the difference between the Exercise Price for the
Shares and the Fair Market Value of the Shares on the date of exercise. To the
extent that Optionee was not entitled to exercise the Option at the Termination
Date, or if Optionee does not exercise such Option to the extent so entitled
within the time specified in this Section 6(b), the Option shall terminate.

     7.   Death of Optionee. In the event of the death of Optionee (a) during
          -----------------
the Term of this Option and while an Employee or Consultant of the Company and
having been in Continuous Status as an Employee or Consultant since the date of
grant of the Option, or (b) within 30 days after Optionee's Termination Date,
the Option may be exercised at any time within six months following the date of
death (but in no event later than the Expiration Date set forth in the Notice of
Stock Option Grant and in Section 9 below), by Optionee's estate or by a person
who acquired the right to exercise the Option by bequest or inheritance, but
only to the extent of the right to exercise that had accrued at the Termination
Date.

     8.   Non-transferability of Option. This Option may not be transferred in
          -----------------------------
any manner otherwise than by will or by the laws of descent or distribution and
may be exercised during the lifetime of Optionee only by him or her. The terms
of this Option shall be binding upon the executors, administrators, heirs,
successors and assigns of Optionee.

     9.   Term of Option. This Option may be exercised only within the Term
          --------------
set forth in the Notice of Stock Option Grant, subject to the limitations set
forth in Section 7 of the Plan.

     10.  Tax Consequences. Set forth below is a brief summary as of the date
          ----------------
of this Option of certain of the federal and California tax consequences of
exercise of this Option and disposition of the Shares under the laws in effect
as of the Date of Grant. THIS SUMMARY IS NECESSARILY INCOMPLETE, AND THE TAX
LAWS AND REGULATIONS ARE SUBJECT TO CHANGE. OPTIONEE SHOULD CONSULT A TAX
ADVISER BEFORE EXERCISING THIS OPTION OR DISPOSING OF THE SHARES.

          (a)  Exercise Of Incentive Stock Option. If this Option qualifies as
               ----------------------------------
an Incentive Stock Option, there will be no regular federal or California income
tax liability upon the exercise of the Option, although the excess, if any, of
the Fair Market Value of the Shares on the date of exercise over the Exercise
Price will be treated as an adjustment to the alternative minimum tax for
federal tax purposes and may subject Optionee to the alternative minimum tax in
the year of exercise.

          (b)  Exercise of Nonstatutory Stock Option. If this Option does not
               -------------------------------------
qualify as an Incentive Stock Option, there may be a regular federal income tax
liability and a California income tax liability upon the exercise of the Option.
Optionee will be treated as having received compensation income (taxable at
ordinary income tax rates) equal to the excess, if any, of the Fair Market Value
of the Shares on the date of exercise over the Exercise Price. If Optionee is an
employee, the Company will be required to withhold from Optionee's compensation
or collect from Optionee and pay to the applicable taxing authorities an amount
equal to a percentage of this compensation income at the time of exercise.

          (c)  Disposition of Shares. In the case of a Non-statutory Stock
               ---------------------
Option, if Shares are held for at least one year, any gain realized on
disposition of the Shares will be treated as long-term capital gain for federal
and California income tax purposes. In the case of an Incentive Stock Option, if
Shares transferred pursuant to the Option are held for at least one year after
exercise and are disposed of at least two years after the Date of Grant, any
gain realized on disposition of the Shares will also be treated as long-term
capital gain for federal and California income tax purposes. In either case, the
long-term capital gain will be taxed for federal income tax and alternative
minimum tax purposes at a maximum rate of 28% if the Shares are held more than
one year but less than 18 months after exercise and at 20% if the Shares are
held more than 18 months after exercise. If Shares purchased under an Incentive
Stock Option are disposed of within one year after exercise or within two years
after the Date of Grant, any gain realized on such disposition will be treated
as compensation income (taxable at ordinary income rates) to the extent of the
difference between the Exercise Price and the lesser of (i) the Fair Market
Value of the Shares on the date of exercise, or (ii) the sale price of the
Shares.

                                       3
<PAGE>

          (d)  Notice of Disqualifying Disposition of Incentive Stock Option
               -------------------------------------------------------------
Shares. If the Option granted to Optionee herein is an Incentive Stock Option,
------
and if Optionee sells or otherwise disposes of any of the Shares acquired
pursuant to the Incentive Stock Option on or before the later of (i) the date
two years after the Date of Grant, or (ii) the date one year after the date of
exercise, Optionee shall immediately notify the Company in writing of such
disposition. Optionee Acknowledges and agrees that he or she may be subject to
income tax withholding by the Company on the compensation income recognized by
Optionee from the early disposition by payment in cash or out of the current
earnings paid to Optionee.

     11.  Withholding Tax Obligations. Optionee understands that, upon
          ---------------------------
exercising a Non-statutory Stock Option, he or she will recognize income for tax
purposes in an amount equal to the excess of the then Fair Market Value of the
Shares over the Exercise Price. However, the timing of this income recognition
may be deferred for up to six months if Optionee is subject to Section 16 of the
Exchange Act. If Optionee is an employee, the Company will be required to
withhold from Optionee's compensation, or collect from Optionee and pay to the
applicable taxing authorities an amount equal to a percentage of this
compensation income. Additionally, Optionee may at some point be required to
satisfy tax withholding obligations with respect to the disqualifying
disposition of an Incentive Stock Option. Optionee shall satisfy his or her tax
withholding obligation arising upon the exercise of this Option by one or some
combination of the following methods: (a) by cash payment, (b) out of Optionee's
current compensation, (c) if permitted by the Administrator, in its discretion,
by surrendering to the Company Shares which (i) in the case of Shares previously
acquired from the Company, have been owned by Optionee for more than six months
on the date of surrender, and (ii) have a Fair Market Value on the date of
surrender equal to or greater than Optionee's marginal tax rate times the
ordinary income recognized, or (d) by electing to have the Company withhold from
the Shares to be issued upon exercise of the Option that number of Shares having
a Fair Market Value equal to the amount required to be withheld. For this
purpose, the Fair Market Value of the Shares to be withheld shall be determined
on the date that the amount of tax to be withheld is to be determined (the "Tax
                                                                            ---
Date").
----
     If Optionee is subject to Section 16 of the Exchange Act (an "Insider"),
                                                                   -------
any surrender of previously owned Shares to satisfy tax withholding obligations
arising upon exercise of this Option must comply with the applicable provisions
of Rule 16b-3 promulgated under the Exchange Act ("Rule 16b-3").
                                                   ----------
     All elections by Optionee to have Shares withheld to satisfy tax
withholding obligations shall be made in writing in a form acceptable to the
Administrator and shall be subject to the following restrictions:

          (a)  the election must be made on or prior to the applicable Tax Date;

          (b)  once made, the election shall be irrevocable as to the particular
Shares of the Option as to which the election is made; and

          (c)  all elections shall be subject to the consent or disapproval of
the Administrator.

     12.  Market Standoff Agreement. In connection with the initial public
          -------------------------
offering of the Company's securities and upon request of the Company or the
underwriters managing such underwritten offering of the Company's securities,
Optionee agrees not to sell, make any short sale of, loan, grant any option for
the purchase of, or otherwise dispose of any securities of the Company (other
than those included in the registration) without the prior written consent of
the Company or such underwriters, as the case may be, for such period of time
(not to exceed 180 days) from the effective date of such registration as may be
requested by the Company or such managing underwriters and to execute an
agreement reflecting the foregoing as may be requested by the underwriters at
the time of the Company's initial public offering.

                           [Signature Page Follows]

                                       4
<PAGE>

     This Agreement may be executed in two or more counterparts, each of which
shall be deemed an original and all of which together shall constitute one
document.

                                          TOP TIER SOFTWARE, INC.

                                          By:___________________________________

                                          Name:_________________________________
                                               (print)

                                          Title:________________________________

     OPTIONEE ACKNOWLEDGES AND AGREES THAT THE VESTING OF SHARES PURSUANT TO THE
OPTION HEREOF IS EARNED ONLY BY CONTINUING CONSULTANCY OR EMPLOYMENT AT THE WILL
OF THE COMPANY (NOT THROUGH THE ACT OF BEING HIRED, BEING GRANTED THIS OPTION OR
ACQUIRING SHARES HEREUNDER). OPTIONEE FURTHER ACKNOWLEDGES AND AGREES THAT
NOTHING IN THIS AGREEMENT, NOR IN THE COMPANY'S STOCK OPTION PLAN WHICH IS
INCORPORATED HEREIN BY REFERENCE, SHALL CONFER UPON OPTIONEE ANY RIGHT WITH
RESPECT TO CONTINUATION OF EMPLOYMENT OR CONSULTANCY BY THE COMPANY, NOR SHALL
IT INTERFERE IN ANY WAY WITH OPTIONEE'S RIGHT OR THE COMPANY'S RIGHT TO
TERMINATE OPTIONEE'S EMPLOYMENT OR CONSULTANCY AT ANY TIME, WITH OR WITHOUT
CAUSE.

     Optionee acknowledges receipt of a copy of the Plan and represents that he
or she is familiar with the terms and provisions thereof, and hereby accepts
this Option subject to all of the terms and provisions thereof. Optionee has
reviewed the Plan and this Option in their entirety, has had an opportunity to
obtain the advice of counsel prior to executing this Option and fully
understands all provisions of the Option. Optionee hereby agrees to accept as
binding, conclusive and final all decisions or interpretations of the
Administrator upon any questions arising under the Plan or this Option.

Dated:  ________________________      EMPLOYEE__________________________________

                                       5
<PAGE>

                                   EXHIBIT A
                                   ---------

                            TOP TIER SOFTWARE, INC.
                            -----------------------

                            1996 STOCK OPTION PLAN
                            ----------------------

         EARLY EXERCISE NOTICE AND RESTRICTED STOCK PURCHASE AGREEMENT
         -------------------------------------------------------------

     This Agreement ("Agreement") is made as of ________________ by and between
                      ---------
Top Tier Software, Inc. a Delaware corporation (the "Company"), and
                                                     -------
______________________________ ("Purchaser"). To the extent any capitalized
                                 ---------
terms used in this Agreement are not defined, they shall have the meaning
ascribed to them in the 1996 Stock Option Plan.

     1.   Exercise of Option. Subject to the terms and conditions hereof,
          ------------------
Purchaser hereby elects to exercise his or her option to purchase ___________
shares of the Common Stock (the "SHARES") of the Company under and pursuant to
the Company's 1996 Stock Option Plan (the "Option Agreement") of those Shares
                                           ----------------
which have become vested as of the date hereof under the Vesting Schedule set
forth in the Notice of Stock Option Grant (the "Vested Shares") and ___________
                                                -------------
Shares which have not yet vested under such Vesting Schedule (the "Unvested
                                                                   --------
Shares"). The purchase price for the Shares shall be ___ per Share for a total
------
purchase price of $______________. The term "Shares" refers to the purchased
                                             ------
Shares and all securities received in replacement of the Shares or as stock
dividends or splits, all securities received in replacement of the Shares in a
recapitalization, merger, reorganization, exchange or the like, and all new,
substituted or additional securities or other properties to which Purchaser is
entitled by reason of Purchaser's ownership of the Shares.

     2.   Time and Place of Exercise. The purchase and sale of the Shares under
          --------------------------
this Agreement shall occur at the principal office of the Company simultaneously
with the execution and delivery of this Agreement in accordance with the
provisions of Section 2(b) of the Option Agreement. On such date, the Company
will deliver to Purchaser a certificate representing the Shares to be purchased
by Purchaser (which shall be issued in Purchaser's name) against payment of the
purchase price therefor by Purchaser by (a) check made payable to the Company,
(b) cancellation of indebtedness of the Company to Purchaser, (c) delivery of
shares of the Common Stock of the Company in accordance with Section 3 of the
Option Agreement, (d) subject to Section 153 of the Delaware General Corporation
Law, delivery of a promissory note in the form attached as Exhibit C to the
                                                           ---------
Option Agreement (or in any form acceptable to the Company), or (e) a
combination of the foregoing. If Purchaser delivers a promissory note as partial
or full payment of the purchase price, Purchaser will also deliver a Pledge and
Security Agreement in the form attached to Exhibit D to the Option Agreement (or
                                           ---------
in any form acceptable to the Company).

     3.   Limitations on Transfer. In addition to any other limitation on
          -----------------------
transfer created by applicable securities laws, Purchaser shall not assign,
encumber or dispose of any interest in the Shares while the Shares are subject
to the Company's Repurchase Option (as defined below). After any Shares have
been released from such Repurchase Option, Purchaser shall not assign, encumber
or dispose of any interest in such Shares except in compliance with the
provisions below and applicable securities laws.

          (a)  Repurchase Option.
               -----------------

               (i)    In the event of the voluntary or involuntary termination
of Purchaser's employment or consulting relationship with the Company for any
reason (including death or disability), with or without cause, the Company shall
upon the date of such termination (the "Termination Date") have an irrevocable,
                                        ----------------
exclusive option (the "Repurchase Option") for a period of 60 days from such
                       -----------------
date to repurchase all or any portion of the Unvested Shares held by Purchaser
as of the Termination Date which have not yet been released from the Company's
Repurchase Option at the original purchase price per Share specified in Section
I (adjusted for any stock splits, stock dividends and the like).

               (ii)   The Repurchase Option shall be exercised by the Company by
written notice to Purchaser or Purchaser's executor and, at the Company's
option, (A) by delivery to Purchaser or Purchaser's executor with such notice of
a check in the amount of the purchase price for the Shares being purchased, or
(B) in

                                       1
<PAGE>

the event Purchaser is indebted to the Company, by cancellation by the Company
of an amount of such indebtedness equal to the purchase price for the Shares
being repurchased, or (C) by a combination of (A) and (B) so that the combined
payment and cancellation of indebtedness equals such purchase price. Upon
delivery of such notice and payment of the purchase price in any of the ways
described above, the Company shall become the legal and beneficial owner of the
Shares being repurchased and all rights and interest therein or related thereto,
and the Company shall have the right to transfer to its own name the number of
Shares being repurchased by the Company, without further action by Purchaser.

               (iii)  One hundred percent (100%) of the Unvested Shares shall
initially be subject to the Repurchase Option. The Unvested Shares shall be
released from the Repurchase Option in accordance with the Vesting Schedule set
forth in the Notice of Stock Option Grant until all Shares are released from the
Repurchase Option. Fractional shares shall be rounded to the nearest whole
share.

          (b)  Right of First Refusal. Before any Shares held by Purchaser or
               ----------------------
any transferee of Purchaser (either being sometimes referred to herein as the
"Holder") may be sold or otherwise transferred (including transfer by gift or
 ------
operation of law), the Company or its assignee(s) shall have a right of first
refusal to purchase the Shares on the terms and conditions set forth in this
Section 3(b) (the "RIGHT OF FIRST REFUSAL").
                   ----------------------

               (i)    Notice of Proposed Transfer. The Holder of the Shares
                      ---------------------------
shall deliver to the Company a written notice (the "Notice") stating: (i) the
                                                    ------
Holder's bona fide intention to sell or otherwise transfer such Shares; (ii) the
name of each proposed purchaser or other transferee ("Proposed Transferee");
                                                      -------------------
(iii) the number of Shares to be transferred to each Proposed Transferee; and
(iv) the terms and conditions of each proposed sale or transfer. The Holder
shall offer the Shares at the same price (the "Offered Price") and upon the same
                                               -------------
terms (or terms as similar as reasonably possible) to the Company or its
assignee(s).

               (ii)   Exercise of Right of First Refusal. At any time within 30
                      ----------------------------------
days after receipt of the Notice, the Company and/or its assignee(s) may, by
giving written notice to the Holder, elect to purchase all, but not less than
all, of the Shares proposed to be transferred to any one or more of the Proposed
Transferees, at the purchase price determined in accordance with subsection
(iii) below.

               (iii)  Purchase Price. The purchase price ("Purchase Price") for
                      --------------                       --------------
the Shares purchased by the Company or its assignee(s) under this Section 3(b)
shall be the Offered Price. If the Offered Price includes consideration other
than cash, the cash equivalent value of the non-cash consideration shall be
determined by the Board of Directors of the Company in good faith.

               (iv)   Payment. Payment of the Purchase Price shall be made, at
                      -------
the option of the Company or its assignee(s), in cash (by check), by
cancellation of all or a portion of any outstanding indebtedness of the Holder
to the Company (or, in the case of repurchase by an assignee, to the assignee),
or by any combination thereof within 30 days after receipt of the Notice or in
the manner and at the times set forth in the Notice.

               (v)    Holder's Right To Transfer. If all of the Shares proposed
                      --------------------------
in the Notice to be transferred to a given Proposed Transferee are not purchased
by the Company and/or its assignee(s) as provided in this Section 3(b), then the
Holder may sell or otherwise transfer such Shares to that Proposed Transferee at
the Offered Price or at a higher price, provided that such sale or other
transfer is consummated within 60 days after the date of the Notice and provided
further that any such sale or other transfer is effected in accordance with any
applicable securities laws and the Proposed Transferee agrees in writing that
the provisions of this Section 3 shall continue to apply to the Shares in the
hands of such Proposed Transferee. If the Shares described in the Notice are not
transferred to the Proposed Transferee within such period, or if the Holder
proposes to change the price or other terms to make them more favorable to the
Proposed Transferee, a new Notice shall be given to the Company, and the Company
and/or its assignees shall again be offered the Right of First Refusal before
any Shares held by the Holder may be sold or otherwise transferred.

               (vi)   Exception for Certain Family Transfers. Anything to the
                      --------------------------------------
contrary contained in this Section 3(b) notwithstanding, the transfer of any or
all of the Shares during Purchaser's lifetime or

                                       2
<PAGE>

on Purchaser's death by will or intestacy to Purchaser's Immediate Family (as
defined below) or a trust for the benefit of Purchaser's Immediate Family shall
be exempt from the provisions of this Section 3(b). "Immediate Family" as used
                                                     ----------------
herein shall mean spouse, lineal descendant or antecedent, father, mother,
brother or sister. In such case, the transferee or other recipient shall receive
and hold the Shares so transferred subject to the provisions of this Section,
and there shall be no further transfer of such Shares except in accordance with
the terms of this Section 3.

     (c)  Involuntary Transfer.
          --------------------

          (i)  Company's Right to Purchase upon Involuntary Transfer. In the
               -----------------------------------------------------
event, at any time after the date of this Agreement, of any transfer by
operation of law or other involuntary transfer (including divorce or death, but
excluding, in the event of death, a transfer to Immediate Family as set forth in
Section 3(b)(vi) above) of all or a portion of the Shares by the record holder
thereof, the Company shall have the right to purchase all of the Shares
transferred at the greater of the purchase price paid by Purchaser pursuant to
this Agreement or the Fair Market Value of the Shares on the date of transfer.
Upon such a transfer, the person acquiring the Shares shall promptly notify the
Secretary of the Company of such transfer. The right to purchase such Shares
shall be provided to the Company for a period of 30 days following receipt by
the Company of written notice by the person acquiring the Shares.

          (ii) Price for Involuntary Transfer. With respect to any stock to be
               ------------------------------
transferred pursuant to Section 3(c)(i), the price per Share shall be a price
set by the Board of Directors of the Company that will reflect the current value
of the stock in terms of present earnings and future prospects of the Company.
The Company shall notify Purchaser or his or her executor of the price so
determined within 30 days after receipt by it of written notice of the transfer
or proposed transfer of Shares. However, if the Purchaser does not agree with
the valuation as determined by the Board of Directors of the Company, the
Purchaser shall be entitled to have the valuation determined by an independent
appraiser to be mutually agreed upon by the Company and the Purchaser and whose
fees shall be borne equally by the Company and the Purchaser.

     (d)  Assignment. The right of the Company to purchase any part of the
          ----------
Shares may be assigned in whole or in part to any shareholder or shareholders of
the Company or other persons or organizations; provided, however, that an
assignee, other than a corporation that is the Parent or a 100% owned Subsidiary
of the Company, must pay the Company, upon assignment of such right, cash equal
to the difference between the original purchase price and Fair Market Value, if
the original purchase price is less than the Fair Market Value of the Shares
subject to the assignment.

     (e)  Restrictions Binding on Transferees. All transferees of Shares or any
          -----------------------------------
interest therein will receive and hold such Shares or interest subject to the
provisions of this Agreement, including, insofar as applicable, the Repurchase
Option. Any sale or transfer of the Shares shall be void unless the provisions
of this Agreement are satisfied.

     (f)  Termination of Rights. The Right of First Refusal and the Company's
          ---------------------
right to repurchase the Shares in the event of an involuntary transfer pursuant
to Section 3(c) above shall terminate upon the first sale of Common Stock of the
Company to the general public pursuant to a registration statement filed with
and declared effective by the Securities and Exchange Commission under the
Securities Act of 1933, as amended (the "Securities Act").
                                         --------------

     (g)  Market Standoff Agreement. In connection with the initial public
          -------------------------
offering of the Company's securities and upon request of the Company or the
underwriters managing such underwritten offering of the Company's securities,
Purchaser agrees not to sell, make any short sale of, loan, grant any option for
the purchase of, or otherwise dispose of any securities of the Company (other
than those included in the registration) without the prior written consent of'
the Company or such underwriters, as the case may be, for such period of time
(not to exceed 180 days) from the effective date of such registration as may be
requested by the Company or such managing underwriters and to execute an
agreement reflecting the foregoing as may be requested by the underwriters at
the time of the Company's initial public offering.

                                       3
<PAGE>

     4.   Escrow of Unvested Shares. For purposes of facilitating the
          -------------------------
enforcement of the provisions of Section 3 above, Purchaser agrees, immediately
upon receipt of the certificate(s) for the Shares subject to the Repurchase
Option, to deliver such certificate(s), together with an Assignment Separate
from Certificate in the form attached to this Agreement as Attachment A executed
                                                           ------------
by Purchaser and by Purchaser's spouse (if required for transfer), in blank, to
the Secretary of the Company, or the Secretary's designee, to hold such
certificate(s) and Assignment Separate from Certificate in escrow and to take
all such actions and to effectuate all such transfers and/or releases as are in
accordance with the terms of this Agreement. Purchaser hereby acknowledges that
the Secretary of the Company, or the Secretary's designee, is so appointed as
the escrow holder with the foregoing authorities as a material inducement to
make this Agreement and that said appointment is coupled with an interest and is
accordingly irrevocable. Purchaser agrees that said escrow holder shall not be
liable to any party hereof (or to any other party). The escrow holder may rely
upon any letter, notice or other document executed by any signature purported to
be genuine and may resign at any time. Purchaser agrees that if the Secretary of
the Company, or the Secretary's designee, resigns as escrow holder for any or no
reason, the Board of Directors of the Company shall have the power to appoint a
successor to serve as escrow holder pursuant to the terms of this Agreement.

     5.   Investment And Taxation Representations. In connection with the
          ---------------------------------------
purchase of the Shares, Purchaser represents to the Company the following:

          (a)  Purchaser is aware of the Company's business affairs and
financial condition and has acquired sufficient information about the Company to
reach an informed and knowledgeable decision to acquire the Shares. Purchaser is
purchasing the Shares for investment for his or her own account only and not
with a view to, or for resale in connection with, any "distribution" thereof
within the meaning of the Securities Act.

          (b)  Purchaser understands that the Shares have not been registered
under the Securities Act by reason of a specific exemption therefrom, which
exemption depends upon, among other things, the bona fide nature of Purchaser's
investment intent as expressed herein.

          (c)  Purchaser understands that the Shares are "restricted securities"
under applicable U.S. federal and state securities laws and that, pursuant to
these laws, Purchaser must hold the Shares indefinitely unless they are
registered with the Securities and Exchange Commission and qualified by state
authorities, or an exemption from such registration and qualification
requirements is available. Purchaser acknowledges that the Company has no
obligation to register or qualify the Shares for resale. Purchaser further
acknowledges that if an exemption from registration or qualification is
available, it may be conditioned on various requirements including, but not
limited to, the time and manner of sale, the holding period for the Shares, and
requirements relating to the Company which are outside of the Purchaser's
control, and which the Company is under no obligation and may not be able to
satisfy.

          (d)  Purchaser understands that Purchaser may suffer adverse tax
consequences as a result of Purchaser's purchase or disposition of the Shares.
Purchaser represents that Purchaser has consulted any tax consultants Purchaser
deems advisable in connection with the purchase or disposition of the Shares and
that Purchaser is not relying on the Company for any tax advice.

     6.   Restrictive Legends and Stop-Transfer Orders.
          --------------------------------------------

          (a)  Legends. The certificate or certificates representing the Shares
               -------
shall bear the following legends (as well as any legends required by applicable
state and federal corporate and securities laws):

               (i)    THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN
                      REGISTERED UNDER THE SECURITIES ACT OF 1933, AND HAVE BEEN
                      ACQUIRED FOR INVESTMENT AND NOT WITH A VIEW TO, OR IN
                      CONNECTION WITH, THE SALE OR DISTRIBUTION THEREOF. NO SUCH
                      SALE OR DISTRIBUTION MAY BE EFFECTED WITHOUT AN EFFECTIVE
                      REGISTRATION STATEMENT RELATED THERETO OR AN OPINION OF
                      COUNSEL IN A FORM SATISFACTORY TO THE COMPANY THAT SUCH
                      REGISTRATION IS NOT REQUIRED UNDER THE SECURITIES ACT OF
                      1933.

                                       4
<PAGE>

               (ii)   THE SHARES REPRESENTED-ID BY THIS CERTIFICATE MAY BE
                      TRANSFERRED ONLY IN ACCORDANCE WITH THE TERMS OF AN
                      AGREEMENT BETWEEN THE COMPANY AND THE STOCKHOLDER, A COPY
                      OF WHICH IS ON FILE WITH THE SECRETARY OF THE COMPANY.

          (b)  Stop-Transfer Notices. Purchaser agrees that, in order to ensure
               ---------------------
compliance with the restrictions referred to herein, the Company may issue
appropriate "stop transfer" instructions to its transfer agent, if any, and
that, if the Company transfers its own securities, it may make appropriate
notations to the same effect in its own records.

          (c)  Refusal to Transfer. The Company shall not be required (i) to
               -------------------
transfer on its books any Shares that have been sold or otherwise transferred in
violation of any of the provisions of this Agreement or (ii) to treat as owner
of such Shares or to accord the right to vote or pay dividends to any purchaser
or other transferee to whom such Shares shall have been so transferred.

          (d)  Removal of Legend. When all of the following events have
               -----------------
occurred, the Shares then held by Purchaser will no longer be subject to the
legend referred to in Section 6(a)(ii); (i) the termination of the Right of
First Refusal; (ii) the expiration or termination of the market standoff
provisions of Section 3(g) (and of any agreement entered pursuant to Section
3(g)); and (iii) the expiration or exercise in full of the Repurchase Option.
After such time, and upon Purchaser's request, a new certificate or certificates
representing the Shares not repurchased shall be issued without the legend
referred to in Section 6(a)(ii), and delivered to Purchaser.

     7.   No Employment. Rights Nothing in this Agreement shall affect in any
          -------------
manner whatsoever the right or power of the Company, or a Parent or Subsidiary
of the Company, to terminate Purchaser's employment or consulting relationship,
for any reason, with or without cause.

     8.  Section 83(b) Election. Purchaser understands that Section 83(a) of the
         ----------------------
Internal Revenue Code of 1986, as amended (the "Code"), taxes as ordinary income
                                                ----
for a Nonstatutory Stock Option and as alternative minimum taxable income for an
Incentive Stock Option the difference between the amount paid for the Shares and
the Fair Market Value of the Shares as of the date any restrictions on the
Shares lapse. In this context, "Restriction" means the right of the Company to
                                -----------
buy back the Shares pursuant to the Repurchase Option set forth in Section 3(a)
of this Agreement. Purchaser understands that Purchaser may elect to be taxed at
the time the Shares are purchased, rather than when and as the Repurchase Option
expires, by filing an election under Section 83(b) (an "83(b) Election") of the
                                                        --------------
Code with the Internal Revenue Service within 30 days from the date of purchase.
Even if the Fair Market Value of the Shares at the time of the execution of this
Agreement equals the amount paid for the Shares, the election must be made to
avoid income and alternative minimum tax treatment under Section 83(a) in the
future. Purchaser understands that failure to file such an election in a timely
manner may result in adverse tax consequences for Purchaser. Purchaser further
understands that an additional copy of such election form should be filed with
his or her federal income tax return for the calendar year in which the date of
this Agreement falls. Purchaser acknowledges that the foregoing is only a
summary of the effect of United States federal income taxation with respect to
purchase of the Shares hereunder, and does not purport to be complete. Purchaser
further acknowledges that the Company has directed Purchaser to seek independent
advice regarding the applicable provisions of the Code, the income tax laws of
any municipality, state or foreign country in which Purchaser may reside, and
the tax consequences of Purchaser's death.

     Purchaser agrees that he or she will execute and deliver to the Company
with this executed Agreement a copy of the Acknowledgment and Statement of
Decision Regarding Section 83(b) Election (the "Acknowledgement") attached
                                                ---------------
hereto as Attachment B. Purchaser further agrees that he or she will execute and
          ------------
submit with the Acknowledgment a copy of the 83(b) Election attached hereto as
Attachment C if Purchaser has indicated in the Acknowledgment his or her
------------
decision to make such an election.

                                       5
<PAGE>

     9.   Miscellaneous.
          -------------

          (a)  Governing Law. This Agreement and all acts and transactions
               -------------
pursuant hereto and the rights and obligations of the parties hereto shall be
governed, construed and interpreted in accordance with the laws of the State of
California, without giving effect to principles of conflicts of law.

          (b)  Entire Agreement; Enforcement of Rights. This Agreement sets
               ---------------------------------------
forth the entire agreement and understanding of the parties relating to the
subject matter herein and merges all prior discussions between them. No
modification of or amendment to this Agreement, nor any waiver of any rights
under this Agreement, shall be effective unless in writing signed by the parties
to this Agreement. The failure by either party to enforce any rights under this
Agreement shall not be construed as a waiver of any rights of such party.

          (c)  Severability. If one or more provisions of this Agreement are
               ------------
held to be unenforceable under applicable law, the parties agree to renegotiate
such provision in good faith. In the event that the parties cannot reach a
mutually agreeable and enforceable replacement for such provision, then (i) such
provision shall be excluded from this Agreement, (ii) the balance of the
Agreement shall be interpreted as if such provision were so excluded and (iii)
the balance of the Agreement shall be enforceable in accordance with its terms.

          (d)  Construction. This Agreement is the result of negotiations
               ------------
between and has been reviewed by each of the parties hereto and their respective
counsel, if any; accordingly, this Agreement shall be deemed to be the product
of all of the parties hereto, and no ambiguity shall be construed in favor of or
against any one of the parties hereto.

          (e)  Notices. Any notice required or permitted by this Agreement shall
               -------
be in writing and shall be deemed sufficient when delivered personally or sent
by telegram or fax or 48 hours after being deposited in the U.S. mail, as
certified or registered mail, with postage prepaid, and addressed to the party
to be notified at such party's address as set forth below or as subsequently
modified by written notice.

          (f)  Counterparts. This Agreement may be executed in two or more
               ------------
counterparts, each of which shall be deemed an original and all of which
together shall constitute one instrument.

          (g)  Successors and Assigns. The rights and benefits of this Agreement
               ----------------------
shall inure to the benefit of, and be enforceable by the Company's successors
and assigns. The rights and obligations of Purchaser under this Agreement may
only be assigned with the prior written consent of the Company.

          (h)  California Corporate Securities Law. THE SALE OF THE SECURITIES
               -----------------------------------
WHICH ARE THE SUBJECT OF THIS AGREEMENT HAS NOT BEEN QUALIFIED WITH THE
COMMISSIONER OF CORPORATIONS OF THE STATE OF CALIFORNIA AND THE ISSUANCE OF THE
SECURITIES OR THE PAYMENT OR RECEIPT OF ANY PART OF THE CONSIDERATION THEREFOR
PRIOR TO THE QUALIFICATION IS UNLAWFUL, UNLESS THE SALE OF SECURITIES IS EXEMPT
FROM QUALIFICATION BY SECTION 25100, 25102 OR 25105 OF THE CALIFORNIA
CORPORATIONS CODE. THE RIGHTS OF ALL PARTIES TO THIS AGREEMENT ARE EXPRESSLY
CONDITIONED UPON THE QUALIFICATION BEING OBTAINED, UNLESS THE SALE IS SO EXEMPT.

                           [SIGNATURE PAGE FOLLOWS]

                                       6
<PAGE>

     The parties have executed this Agreement as of the date first set forth
above.

                                        COMPANY:

                                        TOP TIER SOFTWARE, INC.

                                        By:_________________________________

                                        Name:_______________________________
                                             (print)

                                        Title:______________________________

                                        6203 San Ignacio Ave.
                                        San Jose, CA 95119

                                        PURCHASER:

                                        EMPLOYEE

                                        ____________________________________
                                        (Signature)

                                        ____________________________________
                                        (Print Name)

                                        Address:

I,______________________ spouse of___________________ have read and hereby
approve the foregoing Agreement. In consideration of the Company's granting my
spouse the right to purchase the Shares as set forth in the Agreement, I hereby
agree to be bound irrevocably by the Agreement and further agree that any
community property or similar interest that I may have in the Shares shall
hereby be similarly bound by the Agreement. I hereby appoint my spouse as my
attorney in-fact with respect to any amendment or exercise of any rights under
the Agreement.

                                    --------------------------------------------
                                    Spouse of EMPLOYEE

                                       1
<PAGE>

                                 ATTACHMENT A
                                 ------------

                      ASSIGNMENT SEPARATE FROM CERTIFICATE
                      ------------------------------------

         FOR VALUE RECEIVED and pursuant to that certain Early Exercise and
Restricted Stock Purchase  Agreement  between the undersigned  ("Purchaser")
                                                                 ---------
and Top Tier Software, Inc. (the "Company") dated May 21, 1998
                                  -------
(the "Agreement"), Purchaser hereby sells, assigns and transfers unto the
      ---------
Company shares of the Common Stock of the Company, standing in Purchaser's name
on the books of the Company and represented by Certificate No. and hereby
irrevocably appoints to transfer said stock on the books of the Company with
full power of substitution in the premises. THIS ASSIGNMENT MAY ONLY BE USED AS
AUTHORIZED BY THE AGREEMENT AND THE ATTACHMENTS THERETO.

Dated:______________________________

                                       Signature:_______________________________

                                       -----------------------------------------
                                       EMPLOYEE

                                       -----------------------------------------
                                       Spouse of EMPLOYEE
                                       (if applicable)

     Instruction: Please do not fill in any blanks other than the signature
     line. The purpose of this assignment is to enable the Company to exercise
     its Repurchase Option set forth in the Agreement without requiring
     additional signatures on the part of Purchaser.

                                       1
<PAGE>

                                  ATTACHMENT B
                                  ------------

                    ACKNOWLEDGMENT AND STATEMENT OF DECISION
                    ----------------------------------------
                        REGARDING SECTION 83(B) ELECTION
                        --------------------------------

          The undersigned (which term includes the undersigned's spouse), a
purchaser of _______________shares of Common Stock of Top Tier Software, Inc. a
Delaware corporation (the "Company") by exercise of an option (the "Option")
                           -------                                  ------
granted pursuant to the Company's 1996 Stock Option Plan (the "Plan"), hereby
                                                               ----
states as follows:

          1.       The undersigned acknowledges receipt of a copy of the Plan
relating to the offering of such shares. The undersigned has carefully reviewed
the Plan and the option agreement pursuant to which the Option was granted.

          2.       The undersigned either [check and complete as applicable]:

          (a)  ___ has consulted, and has been fully advised by, the
undersigned's own tax advisor, whose business address is regarding the federal,
state and local tax consequences of purchasing shares under the Plan, and
particularly regarding the advisability of making elections pursuant to Section
83(b) of the Internal Revenue Code of 1986, as amended (the "CODE") and pursuant
                                                             ----
to the corresponding provisions, if any, of applicable state law; or

          (b)  ___ has knowingly chosen not to consult such a tax advisor.

          3.       The undersigned hereby states that the undersigned has
decided [check as applicable]:

          (c)  ___ to make an election pursuant to Section 83(b) of the Code,
and is submitting to the Company, together with the undersigned's executed Early
Exercise Notice and Restricted Stock Purchase Agreement, an executed form
entitled "Election Under Section 83(b) of the Internal Revenue Code of 1986;"

          (d)  ___ not to make an election pursuant to Section 83(b) of the
Code.

          4.       Neither the Company nor any subsidiary or representative of
the Company has made any warranty or representation to the undersigned with
respect to the tax consequences of the undersigned's purchase of shares under
the Plan or of the making or failure to make an election pursuant to Section
83(b) of the Code or the corresponding provisions, if any, of applicable state
law.

Date:______________________                      _______________________________
                                                 EMPLOYEE

Date:______________________                      _______________________________
                                                 EMPLOYEE

                                       1
<PAGE>

                                 ATTACHMENT C
                                 ------------

                          ELECTION UNDER SECTION 83(B)
                          ----------------------------
                       OF THE INTERNAL REVENUE CODE OF 1986
                       ------------------------------------

     The undersigned taxpayer hereby elects, pursuant to Section 83(b) of the
Internal Revenue Code, to include in taxpayer's gross income for the current
taxable year, the amount of any compensation taxable to taxpayer in connection
with taxpayer's receipt of the property described below:

1.   The name, address, taxpayer identification number and taxable year of the
     undersigned are as follows:

NAME OF TAXPAYER:              EMPLOYEE                    NAME OF SPOUSE:
                               --------
     ADDRESS:

     IDENTIFICATION NO. OF TAXPAYER: _______________________________

     IDENTIFICATION NO. OF SPOUSE:   _______________________________

     TAXABLE YEAR: _______________________________

2.   The property with respect to which the election is made is described as
     follows:

     ____________ shares of the Common Stock $0.00 1 par value, of Top Tier
     Software, Inc. a Delaware corporation (the "Company").
                                                 -------

3.   The date on which the property was transferred is:____________________

4.   The property is subject to the following restrictions:

     Repurchase option at cost in favor of the Company upon termination of
     taxpayer's employment or consulting relationship.

5.   The Fair Market Value at the time of transfer, determined without regard to
     any restriction other than a restriction which by its terms will never
     lapse, of such property is: $_____________

6.   The amount (if any) paid for such property: $

The undersigned has submitted a copy of this statement to the person for whom
the services were performed in connection with the undersigned's receipt of the
above-described property. The transferee of such property is the person
performing the services in connection with the transfer of said property.

The undersigned understands that the foregoing election may not be revoked
except with the consent of the Commissioner.

Date:______________________                   _______________________________
                                              EMPLOYEE

Date:______________________                   _______________________________
                                              Spouse of EMPLOYEE

                                       1
<PAGE>

                                    EXHIBIT B
                                    ---------

                             TOP TIER SOFTWARE, INC.
                             -----------------------

                             1996 STOCK OPTION PLAN
                             ----------------------

             EXERCISE NOTICE AND RESTRICTED STOCK PURCHASE AGREEMENT
             -------------------------------------------------------

          This Agreement ("Agreement") is made as of _____________________, by
                           ---------
and between Top Tier Software, Inc. a Delaware corporation (the "Company"), and
                                                                 -------
EMPLOYEE ("Purchaser"). To the extent any capitalized terms used in this
           ---------
Agreement are not defined, they shall have the meaning ascribed to them in the
1996 Stock Option Plan.

          1.  Exercise of Option. Subject to the terms and conditions hereof,
              ------------------
Purchaser hereby elects to exercise his or her option to purchase ____________
shares of the Common Stock (the "Shares") of the Company under and pursuant to
                                 ------
the Company's 1996 Stock Option Plan (the "Plan") and the Stock Option Agreement
dated May 21, 1998, (the "Option Agreement"). The purchase price for the Shares
                          ----------------
shall be $0.31 per Share for a total purchase price of $__________. The term
"Shares" refers to the purchased Shares and all securities received in
 ------
replacement of the Shares or as stock dividends or splits, all securities
received in replacement of the Shares in a re-capitalization, merger,
reorganization, exchange or the like, and all new, substituted or additional
securities or other properties to which Purchaser is entitled by reason of
Purchaser's ownership of the Shares.

          2.  Time and Place of Exercise. The purchase and sale of the Shares
              --------------------------
under this Agreement shall occur at the principal office of the Company
simultaneously with the execution and delivery of this Agreement in accordance
with the provisions of Section 2(b) of the Option Agreement. On such date, the
Company will deliver to Purchaser a certificate representing the Shares to be
purchased by Purchaser (which shall be issued in Purchaser's name) against
payment of the purchase price therefor by Purchaser by (a) check made payable to
the Company, (b) cancellation of indebtedness of the Company to Purchaser, (c)
delivery of shares of the Common Stock of the Company in accordance with Section
3 of the Option Agreement, (d) subject to Section 153 of the Delaware General
Corporation Law, delivery of a promissory note in the form attached as Exhibit C
                                                                       ---------
to the Option Agreement (or in any form acceptable to the Company), or (e) a
combination of the foregoing. If Purchaser delivers a promissory note as partial
or full payment of the purchase price, Purchaser will also deliver a Pledge and
Security Agreement in the form attached as Exhibit D to the Option Agreement (or
                                           ---------
in any form acceptable to the Company).

          3.  Limitations on Transfer. In addition to any other limitation on
              -----------------------
transfer created by applicable securities laws, Purchaser shall not assign,
encumber or dispose of any interest in the Shares except in compliance with the
provisions below and applicable securities laws.

              (a) Right of First Refusal. Before any Shares held by Purchaser
                  ----------------------
or any transferee of Purchaser (either being sometimes referred to herein as the
"Holder") may be sold or otherwise transferred (including transfer by gift or
 ------
operation of law), the Company or its assignee(s) shall have a right of first
refusal to purchase the Shares on the terms and conditions set forth in this
Section 3(a) (the "Right of First Refusal").

                  (i)  Notice of Proposed Transfer. The Holder of the Shares
                       ---------------------------
shall deliver to the Company a written notice (the "NOTICE") stating: (i) the
                                                    ------
Holder's bona fide intention to sell or otherwise transfer such Shares; (ii) the
name of each proposed purchaser or other transferee ("PROPOSED TRANSFEREE");
                                                      -------------------
(iii) the number of Shares to be transferred to each Proposed Transferee; and
(iv) the terms and conditions of each proposed sale or transfer. The Holder
shall offer the Shares at the same price (the "OFFERED PRICE") and upon the same
                                               -------------
terms (or terms as similar as reasonably possible) to the Company or its
assignee(s).

                  (ii) Exercise of Right of First Refusal. At any time within 30
                       ----------------------------------
days after receipt of the Notice, the Company and/or its assignee(s) may, by
giving written notice to the Holder, elect to purchase all, but not less than
all, of the Shares proposed to be transferred to any one or more of the Proposed
Transferees, at the purchase price determined in accordance with subsection
(iii) below.

                                       1
<PAGE>

        (iii)  Purchase  Price.  The purchase  price ("Purchase  Price") for the
               ---------------                         ---------------
Shares purchased by the Company or its assignee(s) under this Section 3(a) shall
be the Offered Price. If the Offered Price includes consideration other than
cash, the cash equivalent value of the non-cash consideration shall be
determined by the Board of Directors of the Company in good faith.

        (iv)   Payment. Payment of the Purchase Price shall be made, at the
               -------
option of the Company or its assignee(s), in cash (by check), by cancellation of
all or a portion of any outstanding indebtedness of the Holder to the Company
(or, in the case of repurchase by an assignee, to the assignee), or by any
combination thereof within 30 days after receipt of the Notice or in the manner
and at the times set forth in the Notice.

        (v)    Holder's Right to Transfer.  If all of the Shares proposed in the
               --------------------------
Notice to be transferred to a given Proposed Transferee are not purchased by the
Company and/or its assignee(s) as provided in this Section 3(a), then the Holder
may sell or otherwise transfer such Shares to that Proposed Transferee at the
Offered Price or at a higher price, provided that such sale or other transfer is
consummated within 60 days after the date of the Notice and provided further
that any such sale or other transfer is effected in accordance with any
applicable securities laws and the Proposed Transferee agrees in writing that
the provisions of this Section 3 shall continue to apply to the Shares in the
hands of such Proposed Transferee. If the Shares described in the Notice are not
transferred to the Proposed Transferee within such period, or if the Holder
proposes to change the price or other terms to make them more favorable to the
Proposed Transferee, a new Notice shall be given to the Company, and the Company
and/or its assignees shall again be offered the Right of First Refusal before
any Shares held by the Holder may be sold or otherwise transferred.

        (vi)   Exception for Certain Family Transfers. Anything to the contrary
               --------------------------------------
contained in this Section 3(a) notwithstanding, the transfer of any or all of
the Shares during Purchaser's lifetime or on Purchaser's death by will or
intestacy to Purchaser's Immediate Family (as defined below) or a trust for the
benefit of Purchaser's Immediate Family shall be exempt from the provisions of
this Section 3(a). "Immediate Family" as used herein shall mean spouse, lineal
descendant or antecedent, father, mother, brother or sister. In such case, the
transferee or other recipient shall receive and hold the Shares so transferred
subject to the provisions of this Section, and there shall be no further
transfer of such Shares except in accordance with the terms of this Section 3.

    (b) Involuntary Transfer.
        --------------------

        (i)    Company's Right to Purchase upon Involuntary Transfer. In the
               -----------------------------------------------------
event, at any time after the date of this Agreement, of any transfer by
operation of law or other involuntary transfer (including divorce or death, but
excluding, in the event of death, a transfer to Immediate Family as set forth in
Section 3(a)(vi) above) of all or a portion of the Shares by the record holder
thereof, the Company shall have the right to purchase all of the Shares
transferred at the greater of the purchase price paid by Purchaser pursuant to
this Agreement or the Fair Market Value of the Shares on the date of transfer.
Upon such a transfer, the person acquiring the Shares shall promptly notify the
Secretary of the Company of such transfer. The right to purchase such Shares
shall be provided to the Company for a period of 30 days following receipt by
the Company of written notice by the person acquiring the Shares.

        (ii)   Price for Involuntary Transfer. With respect to any stock to be
               ------------------------------
transferred pursuant to Section 3(b)(i), the price per Share shall be a price
set by the Board of Directors of the Company that will reflect the current value
of the stock in terms of present earnings and future prospects of the Company.
The Company shall notify Purchaser or his or her executor of the price so
determined within 30 days after receipt by it of written notice of the transfer
or proposed transfer of Shares. However, if the Purchaser does not agree with
the valuation as determined by the Board of Directors of the Company, the
Purchaser shall be entitled to have the valuation determined by an independent
appraiser to be mutually agreed upon by the Company and the Purchaser and whose
fees shall be borne equally by the Company and the Purchaser.

    (c) Assignment. The right of the Company to purchase any part of the Shares
        ----------
may be assigned in whole or in part to any shareholder or shareholders of the
Company or other persons or organizations; provided, however, that an assignee,
other than a corporation that is the Parent or a 100% owned Subsidiary of the

                                       2
<PAGE>

Company, must pay the Company, upon assignment of such right, cash equal to the
difference between the original purchase price and Fair Market Value, if the
original purchase price is less than the Fair Market Value of the Shares subject
to the assignment.

          (d)  Restrictions Binding on Transferees. All transferees of Shares
               -----------------------------------
or any interest therein will receive and hold such Shares or interest subject to
the provisions of this Agreement. Any sale or transfer of the Shares shall be
void unless the provisions of this Agreement are satisfied.

          (e)  Termination of Rights. The Right of First Refusal and the
               ---------------------
Company's right to repurchase the Shares in the event of an involuntary transfer
pursuant to Section 3(b) above shall terminate upon the first sale of Common
Stock of the Company to the general public pursuant to a registration statement
filed with and declared effective by the Securities and Exchange Commission
under the Securities Act of 1933, as amended (the "SECURITIES ACT").
                                                   --------------

          (f)  Market Standoff Agreement. In connection with the initial public
               -------------------------
offering of the Company's securities and upon request of the Company or the
underwriters managing such underwritten offering of the Company's securities,
Purchaser agrees not to sell, make any short sale of, loan, grant any option for
the purchase of, or otherwise dispose of any securities of the Company (other
than those included in the registration) without the prior written consent of
the Company or such underwriters, as the case may be, for such period of time
(not to exceed 180 days) from the effective date of such registration as may be
requested by the Company or such managing underwriters and to execute an
agreement reflecting the foregoing as may be requested by the underwriters at
the time of the Company's initial public offering.

     4.   Investment and Taxation Representations.  In connection with the
          ---------------------------------------
purchase of the Shares, Purchaser represents to the Company the following:

          (a)  Purchaser is aware of the Company's business affairs and
financial condition and has acquired sufficient information about the Company to
reach an informed and knowledgeable decision to acquire the Shares. Purchaser is
purchasing the Shares for investment for his or her own account only and not
with a view to, or for resale in connection with, any "distribution" thereof
within the meaning of the Securities Act.

          (b)  Purchaser understands that the Shares have not been registered
under the Securities Act by reason of a specific exemption therefrom, which
exemption depends upon, among other things, the bona fide nature of Purchaser's
investment intent as expressed herein.

          (c)  Purchaser understands that the Shares are "restricted securities"
under applicable U.S. federal and state securities laws and that, pursuant to
these laws, Purchaser must hold the Shares indefinitely unless they are
registered with the Securities and Exchange Commission and qualified by state
authorities, or an exemption from such registration and qualification
requirements is available. Purchaser acknowledges that the Company has no
obligation to register or qualify the Shares for resale. Purchaser further
acknowledges that if an exemption from registration or qualification is
available, it may be conditioned on various requirements including, but not
limited to, the time and manner of sale, the holding period for the Shares, and
requirements relating to the Company which are outside of the Purchaser's
control, and which the Company is under no obligation and may not be able to
satisfy.

          (d)  Purchaser understands that Purchaser may suffer adverse tax
consequences as a result of Purchaser's purchase or disposition of the Shares.
Purchaser represents that Purchaser has consulted any tax consultants Purchaser
deems advisable in connection with the purchase or disposition of the Shares and
that Purchaser is not relying on the Company for any tax advice.

     5.   Restrictive Legends and Stop-transfer Orders.
          --------------------------------------------

          (a)  Legends. The certificate or certificates representing the Shares
               -------
shall bear the following legends (as well as any legends required by applicable
state and federal corporate and securities laws):

                                       3
<PAGE>

               (i)  THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN
REGISTERED UNDER THE SECURITIES ACT OF 1933, AND HAVE BEEN ACQUIRED FOR
INVESTMENT AND NOT WITH A VIEW TO, OR IN CONNECTION WITH, THE SALE OR
DISTRIBUTION THEREOF. NO SUCH SALE OR DISTRIBUTION MAY BE EFFECTED WITHOUT AN
EFFECTIVE REGISTRATION STATEMENT RELATED THERETO OR AN OPINION OF COUNSEL IN A
FORM SATISFACTORY TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED UNDER
THE SECURITIES ACT OF 1933.

               (ii) THE SHARES REPRESENTED BY THIS CERTIFICATE MAY BE
TRANSFERRED ONLY IN ACCORDANCE WITH THE TERMS OF AN AGREEMENT BETWEEN THE
COMPANY AND THE STOCKHOLDER, A COPY OF WHICH IS ON FILE WITH THE SECRETARY OF
THE COMPANY.

          (b)  Stop-transfer Notices. Purchaser agrees that, in order to ensure
               ---------------------
compliance with the restrictions referred to herein, the Company may issue
appropriate "stop transfer" instructions to its transfer agent, if any, and
that, if the Company transfers its own securities, it may make appropriate
notations to the same effect in its own records.

          (c)  Refusal to Transfer. The Company shall not be required (i) to
               -------------------
transfer on its books any Shares that have been sold or otherwise transferred in
violation of any of the provisions of this Agreement or (ii) to treat as owner
of such Shares or to accord the right to vote or pay dividends to any purchaser
or other transferee to whom such Shares shall have been so transferred.

          (d)  Removal of Legend. When all of the following events have
               -----------------
occurred, the Shares then held by Purchaser will no longer be subject to the
legend referred to in Section 5(a)(ii): (i) the termination of the Right of
First Refusal; and (ii) the expiration or termination of the market standoff
provisions of Section 3(f) (and of any agreement entered pursuant to Section
3(f)). After such time, and upon Purchaser's request, a new certificate or
certificates representing the Shares not repurchased shall be issued without the
legend referred to in Section 5(a)(ii), and delivered to Purchaser.

     6.   No Employment Right. Nothing in this Agreement shall affect in any
          -------------------
manner whatsoever the right or power of the Company, or a Parent or Subsidiary
of the Company, to terminate Purchaser's employment or consulting relationship,
for any reason, with or without cause.

     7.   Miscellaneous.
          -------------

          (a)  Governing-law. This Agreement and all acts and transactions
               -------------
pursuant hereto and the rights and obligations of the parties hereto shall be
governed, construed and interpreted in accordance with the laws of the State of
California, without giving effect to principles of conflicts of law.

          (b)  Entire Agreement; Enforcement of Rights. This Agreement sets
               ---------------------------------------
forth the entire agreement and understanding of the parties relating to the
subject matter herein and merges all prior discussions between them. No
modification of or amendment to this Agreement, nor any waiver of any rights
under this Agreement, shall be effective unless in writing signed by the parties
to this Agreement. The failure by either party to enforce any rights under this
Agreement shall not be construed as a waiver of any rights of such party.

          (c)  Severability. If one or more provisions of this Agreement are
               ------------
held to be unenforceable under applicable law, the parties agree to renegotiate
such provision in good faith. In the event that the parties cannot reach a
mutually agreeable and enforceable replacement for such provision, then (i) such
provision shall be excluded from this Agreement, (ii) the balance of the
Agreement shall be interpreted as if such provision were so excluded and (iii)
the balance of the Agreement shall be enforceable in accordance with its terms.

          (d)  Construction. This Agreement is the result of negotiations
               ------------
between and has been reviewed by each of the parties hereto and their respective
counsel, if any; accordingly, this Agreement shall be

                                       4
<PAGE>

deemed to be the product of all of the parties hereto, and no ambiguity shall be
construed in favor of or against any one of the parties hereto.

          (e)  Notices. Any notice required or permitted by this Agreement shall
               -------
be in writing and shall be deemed sufficient when delivered personally or sent
by telegram or fax or 48 hours after being deposited in the U.S. mail, as
certified or registered mail, with postage prepaid, and addressed to the party
to be notified at such party's address as set forth below or as subsequently
modified by written notice.

          (f)  Counterparts. This Agreement may be executed in two or more
               ------------
counterparts, each of which shall be deemed an original and all of which
together shall constitute one instrument.

          (g)  Successors and Assigns. The rights and benefits of this Agreement
               ----------------------
shall inure to the benefit of, and be enforceable by the Company's successors
and assigns. The rights and obligations of Purchaser under this Agreement may
only be assigned with the prior written consent of the Company.

          (h)  California Corporate Securities Law. The SALE OF THE SECURITIES
               -----------------------------------
WHICH ARE THE SUBJECT OF THIS AGREEMENT HAS NOT BEEN QUALIFIED WITH THE
COMMISSIONER OF CORPORATIONS OF THE STATE OF CALIFORNIA AND THE ISSUANCE OF THE
SECURITIES OR THE PAYMENT OR RECEIPT OF ANY PART OF THE CONSIDERATION THEREFOR
PRIOR TO THE QUALIFICATION IS UNLAWFUL, UNLESS THE SALE OF SECURITIES IS EXEMPT
FROM QUALIFICATION BY SECTION 25100, 25102 OR 25105 OF THE CALIFORNIA
CORPORATIONS CODE. THE RIGHTS OF ALL PARTIES TO THIS AGREEMENT ARE EXPRESSLY
CONDITIONED UPON THE QUALIFICATION BEING OBTAINED, UNLESS THE SALE IS SO EXEMPT.

                            [SIGNATURE PAGE FOLLOWS]

                                       5
<PAGE>

         The parties have executed this Agreement as of the date first set forth
above.

                                      TOP TIER SOFTWARE, INC.

                                      By:_______________________________________

                                      Name:_____________________________________
                                            (print)

                                      Title:____________________________________

                                      6203 San Ignacio Ave.
                                      San Jose, CA 95119

                                      PURCHASER:

                                      EMPLOYEE

                                      ------------------------------------------
                                      (Signature)

                                      ------------------------------------------
                                      (Print Name)

                                      Address:

         I,  ________________________,  spouse of EMPLOYEE, have read and hereby
approve the foregoing Agreement. In consideration of the Company's granting my
spouse the right to purchase the Shares as set forth in the Agreement, I hereby
agree to be bound irrevocably by the Agreement and further agree that any
community property or similar interest that I may have in the Shares shall
hereby be similarly bound by the Agreement. I hereby appoint my spouse as my
attorney-in-fact with respect to any amendment or exercise of any rights under
the Agreement.

                                      ------------------------------------------
                                      Spouse of EMPLOYEE

                                       1
<PAGE>

                                    EXHIBIT C
                                    ---------

                                 PROMISSORY NOTE
                                 ---------------

$________________________                                   San Jose, California

_____________________________________
                                                            ______________, 19__

         For value received, the undersigned promises to pay Top Tier Software,
Inc. a Delaware corporation (the "Company"), at its principal office the
                                  -------
principal sum of $_____________ with interest from the date hereof at a rate of
% per annum, compounded semiannually, on the unpaid balance of such principal
sum. Such principal and interest shall be due and payable five (5) years after
the date hereof.

         If the undersigned's employment or consulting relationship with the
Company is terminated prior to payment in full of this Note, this Note shall be
immediately due and payable.

         Principal and interest are payable in lawful money of the United States
of America. AMOUNTS DUE UNDER THIS NOTE MAY BE PREPAID AT ANY TIME WITHOUT
INTEREST OR PENALTY.

         Should suit be commenced to collect any sums due under this Note, such
sum as the Court may deem reasonable shall be added hereto as attorneys' fees.
The makers and endorsers have severally waived presentment for payment, protest,
notice of protest and notice of nonpayment of this Note.

         This Note, which is full recourse, is secured by a pledge of certain
shares of Common Stock of the Company and is subject to the terms of a Pledge
and Security Agreement between the undersigned and the Company of even date
herewith.

         EMPLOYEE                            ___________________________________

                                       2
<PAGE>

                                    EXHIBIT D
                                    ---------

                          PLEDGE AND SECURITY AGREEMENT
                          -----------------------------

          This Pledge and Security Agreement (the "Agreement") is entered into
this _____ day of ________by and between Top Tier Software, Inc. a Delaware
corporation (the "Company") and EMPLOYEE ("Purchaser").
                  -------                  ---------

                                    RECITALS
                                    --------

          In connection with Purchaser's exercise of an option to purchase
certain shares of the Company's Common Stock (the  "Shares") pursuant to an
                                                    ------
Option Agreement dated May 21, 1998 between Purchaser and the Company, Purchaser
is delivering a promissory note of even date herewith (the "Note") in full or
                                                            ----
partial payment of the exercise price for the Shares. The company requires that
the Note be secured by a pledge of the Shares or the terms set forth below.

                                    AGREEMENT
                                    ---------

          In consideration of the Company's acceptance of the Note as full or
partial payment of the exercise price of the Shares, and for other good and
valuable consideration, the receipt of which is hereby acknowledged, the parties
hereto agree as follows:

          1.   The Note shall become payable in full upon the voluntary or
involuntary termination or cessation of employment of Purchaser with the
Company, for any reason, with or without cause (including death or disability).

          2.   Purchaser shall deliver to the Secretary of the Company, or his
or her designee (hereinafter referred to as the "Pledge Holder"), all
certificates representing the Shares, together with an Assignment Separate from
Certificate in the form attached to this Agreement as Attachment A executed by
Purchaser and by Purchaser's spouse (if required for transfer), in blank, for
use in transferring all or a portion of the Shares to the Company if, as and
when required pursuant to this Agreement. In addition, if Purchaser is married,
Purchaser's spouse shall execute the signature page attached to this Agreement.

          3.   As security for the payment of the Note and any renewal,
extension or modification of the Note, Purchaser hereby grants to the Company a
security interest in and pledges with and delivers to the Company Purchaser's
Shares (sometimes referred to herein as the "Collateral").

          4.   In the event that Purchaser prepays all or a portion of the Note,
in accordance with the provisions thereof, Purchaser intends, unless written
notice to the contrary is delivered to the Pledge Holder, that the Shares
represented by the portion of the Note so repaid, including annual interest
thereon, shall continue to be so held by the Pledge Holder, to serve as
independent collateral for the outstanding portion of the Note for the purpose
of commencing the holding period set forth in Rule 144(d) promulgated under the
Securities Act of 1933, as amended (the "Securities Act").

          5.   In the event of any foreclosure of the security interest created
by this Agreement, the Company may sell the Shares at a private sale or may
repurchase the Shares itself. The parties agree that, prior to the establishment
of a public market for the Shares of the Company, the securities laws affecting
sale of the Shares make a public sale of the Shares commercially unreasonable.
The parties further agree that the repurchasing of such Shares by the Company,
or by any person to whom the Company may have assigned its rights under this
Agreement, is commercially reasonable if made at a price determined by the Board
of Directors in its discretion, fairly exercised, representing what would be the
Fair Market Value of the Shares reduced by any limitation on transferability,
whether due to the size of the block of shares or the restrictions of applicable
securities laws .

          6.   In the event of default in payment when due of any indebtedness
under the Note, the Company may elect then, or at any time thereafter, to
exercise all rights available to a secured party under the California Commercial
Code including the right to sell the Collateral at a private or public sale or
repurchase the Shares as provided above. The proceeds of any sale shall be
applied in the following order:

                                       1
<PAGE>

          (a)  To the extent necessary, proceeds shall be used to pay all
reasonable expenses of the Company in enforcing this Agreement and the Note,
including, without limitation, reasonable attorney's fees and legal expenses
incurred by the Company.

          (b)  To the extent necessary, proceeds shall be used to satisfy any
remaining indebtedness under Purchaser's Note.

          (c)  Any remaining proceeds shall be delivered to Purchaser.

     7.   Upon full payment by Purchaser of all amounts due under the Note,
Pledge Holder shall deliver to Purchaser all Shares in Pledge Holder's
possession belonging to Purchaser, and Pledge Holder shall thereupon be
discharged of all further obligations under this Agreement; PROVIDED, HOWEVER,
                                                            --------  -------
that Pledge Holder shall nevertheless retain the Shares as escrow agent if at
the time of full payment by Purchaser said Shares are still subject to a
Repurchase Option in favor of the Company.

                                       2
<PAGE>

         The parties have executed this Pledge and Security Agreement as of the
date first set forth above.

                                        COMPANY:

                                        TOP TIER SOFTWARE, INC.

                                        By:_____________________________________

                                        Name:___________________________________
                                              (print)

                                        Title:__________________________________

                                        6203 San Ignacio Ave.
                                        San Jose, CA 95119

                                        PURCHASER:

                                        EMPLOYEE

                                        ----------------------------------------
                                        (Signature)

                                        ----------------------------------------
                                        (Print Name)

                                        Address:

                                       1
<PAGE>

                                  ATTACHMENT A
                                  ------------

                      ASSIGNMENT SEPARATE FROM CERTIFICATE
                      ------------------------------------

         FOR VALUE RECEIVED and pursuant to that certain Pledge and Security
Agreement between the undersigned ("Purchaser") and Top Tier Software, Inc.
("Company") dated ________________ (the "Agreement"), Purchaser hereby sells,
assigns and transfers unto the Company ________________________________________
shares of the Common Stock of the Company, standing in Purchaser's name on the
books of the Company and represented by Certificate No. I and hereby irrevocably
appoints to transfer said stock on the books of the Company with full power of
substitution in the premises.

         THIS ASSIGNMENT MAY ONLY BE USED AS AUTHORIZED BY THE AGREEMENT.

Dated:

                                       Signature:

                                       -----------------------------------------
                                       EMPLOYEE

                                       -----------------------------------------
                                       Spouse of EMPLOYEE
                                       (if applicable)

Instruction:  Please do not fill in any blanks other than the signature line.
The purpose of this assignment is to perfect the security interest of the
Company pursuant to the Agreement.

                                       1

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