Document:

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                                                                    EXHIBIT 10.4

                              INVENTA CORPORATION

                        ______________________________

                        SERIES D CONVERTIBLE PREFERRED

                           STOCK PURCHASE AGREEMENT

                        ______________________________

                               January 19, 2000
<PAGE>

                               TABLE OF CONTENTS

<TABLE>
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1.   Purchase and Sale of Series D Preferred Stock...........................  1

     1.1  Sale and Issuance of Series D Preferred Stock......................  1
     1.2  Closing Date; Delivery.............................................  1

2.   Representations and Warranties of the Company...........................  1

     2.1   Organization, Good Standing and Qualification.....................  1
     2.2   Capitalization....................................................  2
     2.3   Subsidiaries......................................................  2
     2.4   Authorization.....................................................  2
     2.5   Valid Issuance of Securities......................................  2
     2.6   Governmental Consents.............................................  3
     2.7   Litigation........................................................  3
     2.8   Patent and Trademarks.............................................  3
     2.9   Compliance with Other Instruments.................................  4
     2.10  Disclosure........................................................  4
     2.11  Registration Rights...............................................  4
     2.12  Title to Property and Assets......................................  4
     2.13  Financial Statements..............................................  5
     2.14  Changes...........................................................  5
     2.15  Minute Books......................................................  6
     2.16  Labor Agreements and Actions......................................  6
     2.17  Employee Plans....................................................  6
     2.18  Employees.........................................................  7
     2.19  Tax Returns and Payments..........................................  7
     2.20  Agreements; Action................................................  7
     2.21  Obligations to Related Parties....................................  8
     2.22  Real Property Holding Corporation.................................  9
     2.23  Insurance.........................................................  9
     2.24  Investment Company Act............................................  9
     2.25  Qualified Small Business..........................................  9
     2.26  Offering of Shares................................................  9

3.   Representations and Warranties of the Investors.........................  9

     3.1  Authorization......................................................  9
     3.2  Purchase Entirely for Own Account..................................  9
     3.3  Disclosure of Information.......................................... 10
     3.4  Economic Risk...................................................... 10
     3.5  Restricted Securities.............................................. 10
     3.6  Further Limitations on Disposition................................. 10
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                               TABLE OF CONTENTS
                                  (continued)

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     3.7  Legends............................................................ 11

4.   California Commissioner of Corporations................................. 11

     4.1  Corporate Securities Law........................................... 11

5.   Conditions of Investor's Obligations at Closing......................... 11

     5.1  Representations and Warranties..................................... 12
     5.2  Performance........................................................ 12
     5.3  Articles of Incorporation.......................................... 12
     5.4  Compliance Certificate............................................. 12
     5.5  Shareholders Agreement............................................. 12
     5.6  Registration Rights Agreement...................................... 12
     5.7  Opinion of Company's Counsel....................................... 12

6.   Conditions of the Company's Obligations at Closing...................... 12

     6.1  Representations and Warranties..................................... 12
     6.2  Payment of Purchase Price.......................................... 12
     6.3  Legal Matters...................................................... 12

7.   Covenants of the Company................................................ 12

     7.1  Delivery of Financial Statements................................... 12
     7.2  Inspection Rights.................................................. 13
     7.3  Reservation of Common Stock........................................ 13
     7.4  Proprietary Information Agreement.................................. 13
     7.5  Termination of Information Covenant................................ 13
     7.6  Key Man Life Insurance............................................. 14
     7.7  Qualified Small Business Stock..................................... 14
     7.8  Legal Expenses..................................................... 14

8.   Miscellaneous........................................................... 14

     8.1   Transfer; Successors and Assigns.................................. 14
     8.2   Governing Law..................................................... 14
     8.3   Counterparts...................................................... 14
     8.4   Titles and Subtitles.............................................. 14
     8.5   Notices........................................................... 14
     8.6   Finder's Fee...................................................... 15
     8.7   Expenses.......................................................... 15
     8.8   Amendments and Waivers............................................ 15
     8.9   Severability...................................................... 15
     8.10  Entire Agreement.................................................. 15
     8.11  Exculpation Among Investors....................................... 15
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                                   EXHIBITS
                                   --------

EXHIBIT A  Schedule of Investors

EXHIBIT B  Amended and Restated Articles of Incorporation

EXHIBIT C  Schedule of Exceptions to Representations and Warranties

EXHIBIT D  Form of Proprietary Information Agreement

EXHIBIT E  Amended and Restated Shareholders Agreement

EXHIBIT F  Amended and Restated Registration Rights Agreement

EXHIBIT G  Opinion of Wilson Sonsini Goodrich & Rosati

                                     -iii-
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            SERIES D CONVERTIBLE PREFERRED STOCK PURCHASE AGREEMENT

     THIS SERIES D CONVERTIBLE PREFERRED STOCK PURCHASE AGREEMENT ("Agreement")
is made as of the 19th day of January, 2000 by and between Inventa Corporation,
a California corporation (the "Company"), and the persons and entities listed on
the Schedule of Investors attached hereto as Exhibit A (the "Investors").
                                             ---------

     THE PARTIES HEREBY AGREE AS FOLLOWS:

     1.   Purchase and Sale of Series D Preferred Stock.
          ---------------------------------------------

          1.1  Sale and Issuance of Series D Preferred Stock.
               ---------------------------------------------

               (a) The Company shall adopt and file with the Secretary of State
of California on or before the Closing (as defined below) the Amended and
Restated Articles of Incorporation in the form attached hereto as Exhibit B.
                                                                  ---------
               (b) Subject to the terms and conditions of this Agreement, the
Investors agree to purchase at the Closing and the Company agrees to sell and
issue to the Investors at the Closing that number of shares of the Company's
Series D Preferred Stock (the "Shares") for the aggregate purchase price set
forth opposite each Investor's name on Exhibit A attached hereto, at a purchase
                                       ---------
price equal to $7.41 per share of Series D Preferred Stock.

          1.2  Closing Date; Delivery. The purchase and sale of the Shares shall
               ----------------------
take place at the offices of Wilson Sonsini Goodrich & Rosati, 650 Page Mill
Road, Palo Alto, California, at 9:00 a.m., on January ___, 2000, or at such
other time and place as the Company and the Investors mutually agree upon,
orally or in writing (which time and place are designated as the "Closing"). At
the Closing, the Company shall deliver to each Investor a certificate
representing the Shares which such Investor is purchasing against delivery to
the Company by such Investor of a check made payable to the Company or wire
transfer of the aggregate purchase price therefor.

     2.   Representations and Warranties of the Company. The Company hereby
          ---------------------------------------------
represents and warrants to the Investors that, except as set forth on a Schedule
of Exceptions attached hereto as Exhibit C, specifically identifying the
                                 ---------
relevant subparagraph hereof, which exceptions shall be deemed to be
representations and warranties as if made hereunder:

          2.1  Organization, Good Standing and Qualification. The Company is a
               ---------------------------------------------
corporation duly organized, validly existing and in good standing under the laws
of the State of California and has all requisite corporate power and authority
to carry on its business as now conducted and as proposed to be conducted. The
Company is duly qualified to transact business and is in good standing in each
jurisdiction in which the failure so to qualify would have a material adverse
effect on its business or properties.
<PAGE>

          2.2  Capitalization. The authorized capital of the Company will
               --------------
consist, immediately prior to the Closing, of (i) 14,479,511 shares of Preferred
Stock, 1,000,000 shares of which are designated Series A Preferred Stock and of
which 800,000 are issued and outstanding, 2,560,000 shares of which are
designated Series B Preferred Stock and of which 2,560,000 are issued and
outstanding, 8,219,511 shares of which are designated Series C Preferred Stock
of which 8,055,511 are issued and outstanding, and 3,000,000 shares of which are
designated Series D Preferred Stock, none of which are issued and outstanding,
and (ii) 25,000,000 shares of Common Stock, of which 4,713,055 shares are issued
and outstanding. The Company has reserved 5,355,000 shares of its Common Stock
for issuance pursuant to its 1993 Stock Option Plan. Except as set forth in the
Schedule of Exceptions attached as Exhibit C hereto, there are no outstanding
                                   ---------
options, warrants, rights (including conversion or preemptive rights) or
agreements, orally or in writing, for the purchase or acquisition from the
Company of any shares of its capital stock.

          2.3  Subsidiaries. Except as set forth in the Schedule of Exceptions,
               ------------
the Company does not presently own or control, directly or indirectly, any
interest in any other corporation, association, or other business entity.

          2.4  Authorization. All corporate action on the part of the Company,
               -------------
its officers, directors and shareholders necessary for the authorization,
execution and delivery of this Agreement, the performance of all obligations of
the Company hereunder and the authorization, issuance and delivery of the Shares
has been taken or will be taken prior to the Closing, and this Agreement
constitutes a valid and legally binding obligation of the Company, enforceable
in accordance with its terms. The Agreement, the Amended and Restated
Shareholders Agreement attached hereto as Exhibit E (the "Shareholders
                                          ---------
Agreement") and the Amended and Restated Registration Rights Agreement attached
hereto as Exhibit F (the "Registration Rights Agreement"), when executed and
          ---------
delivered, will be valid and binding obligations of the Company enforceable in
accordance with their terms, except (i) as limited by applicable bankruptcy,
insolvency, reorganization, moratorium or other laws of general application
affecting enforcement of creditors' rights; (ii) general principles of equity
that restrict the availability of equitable remedies; and (iii) to the extent
that the enforceability of the indemnification provisions in Section 10 of the
Registration Rights Agreement may be limited by applicable laws. The sale of the
Shares and the subsequent conversion of the Shares into Common Stock are not and
will not be subject to any preemptive rights or rights of first refusal that
have not been properly waived or complied with.

          2.5  Valid Issuance of Securities.
               ----------------------------

               (a)  The Shares that are being issued to the Investors hereunder,
when issued, sold and delivered in accordance with the terms hereof for the
consideration expressed herein, will be duly and validly issued, fully paid and
nonassessable. The shares of Common Stock issuable upon conversion of the Shares
have been duly and validly reserved for issuance.

               (b)  The shares of Common Stock and Preferred Stock outstanding
prior to the Closing are all duly and validly authorized and issued, fully paid
and nonassessable and were issued in compliance with all applicable state and
federal laws concerning the issuance of securities.

                                      -2-
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          2.6  Governmental Consents. No consent, approval, order or
               ---------------------
authorization of, or registration, qualification, designation, declaration or
filing with, any federal, state or local governmental authority on the part of
the Company is required in connection with the consummation of the transactions
contemplated by this Agreement, except for (a) the filing pursuant to Section
25102(f) of the California Corporate Securities Law of 1968, as amended, and the
rules thereunder, which filing will be effected in accordance with such section,
and (b) compliance with the Blue Sky Laws of the various states in which the
Investors may reside, which compliance will be effected in accordance with such
laws. The Company currently holds all licenses, permits, franchises,
registrations and qualifications which may be required to conduct its business,
and all such licenses, permits, franchises, registrations and qualifications are
valid and in full force and effect.

          2.7  Litigation. Except as set forth in the Schedule of Exceptions,
               ----------
there is no action, suit, proceeding or investigation pending or currently
threatened against the Company that questions the validity of this Agreement or
the right of the Company to enter into it, or to consummate the transactions
contemplated hereby, or that might result, either individually or in the
aggregate, in any material adverse changes in the assets, condition, affairs or
prospects of the Company, financially or otherwise, or any change in the current
equity ownership of the Company, nor is the Company aware that there is any
basis for the foregoing. The foregoing includes, without limitation, actions
pending or threatened (or any basis therefor known to the Company) involving the
prior employment of any of the Company's employees, their use in connection with
the Company's business of any information or techniques allegedly proprietary to
any of their former employers, or their obligations under any agreements with
prior employers. The Company is not a party or subject to the provisions of any
order, writ, injunction, judgment or decree of any court or government agency or
instrumentality. There is no action, suit, proceeding or investigation by the
Company currently pending or which the Company intends to initiate.

          2.8  Patent and Trademarks. To its knowledge, the Company owns or
               ---------------------
possesses sufficient legal rights to all patents, trademarks, service marks,
trade names, copyrights, trade secrets, information and other proprietary rights
and processes necessary for its business as now conducted and as proposed to be
conducted, without any known infringement of the rights of others. There are no
outstanding options, licenses or agreements of any kind relating to the
foregoing, nor is the Company bound by or a party to any options, licenses or
agreements of any kind with respect to the patents, trademarks, service marks,
trade names, copyrights, trade secrets, licenses, information and other
proprietary rights and processes of any other person or entity other than such
licenses or agreements arising from the purchase or sale of "off the shelf" or
standard products. The Company has not received any communications alleging that
the Company has violated or, by conducting its business as proposed, would
violate any of the patents, trademarks, service marks, trade names, copyrights
or trade secrets or other proprietary rights of any other person or entity. The
Company is not aware that any of its employees is obligated under any contract
(including licenses, covenants or commitments of any nature) or other agreement,
or subject to any judgment, decree or order of any court or administrative
agency, that would interfere with their duties to the Company or that would
conflict with the Company's business as proposed to be conducted. Neither the
execution nor delivery of this Agreement, nor the carrying on of the Company's
business by the employees of the

                                      -3-
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Company, nor the conduct of the Company's business as proposed, will, to the
Company's knowledge, conflict with or result in a breach of the terms,
conditions or provisions of, or constitute a default under, any contract,
covenant or instrument under which any employee is now obligated. The Company
does not believe it is or will be necessary to utilize any inventions, trade
secrets or proprietary information of any of its employees made prior to their
employment by the Company, except for inventions, trade secrets or proprietary
information that have been assigned to the Company.

          2.9  Compliance with Other Instruments.
               ---------------------------------

               (a)  The Company is not in violation or default of any provisions
of its Restated Articles of Incorporation or Bylaws or of any instrument,
judgment, order, writ, decree or contract to which it is a party or by which it
is bound or, to its knowledge, of any provision of federal or state statute,
rule or regulation applicable to the Company. The execution, delivery and
performance of this Agreement and the consummation of the transactions
contemplated hereby will not result in any such violation or be in conflict with
or constitute, with or without the passage of time and giving of notice, either
a default under any such provision, instrument, judgment, order, writ, decree,
contract, rule, or statute, or of the Company's Restated Articles of
Incorporation or Bylaws, or an event which results in the creation of any lien,
charge or encumbrance upon any assets of the Company.

               (b)  The Company has avoided every condition, and has not
performed any act, the occurrence of which would result in the Company's loss of
any right granted under any license, distribution or other agreement.

          2.10 Disclosure. The Company has fully provided the Investors with all
               ----------
the information which the Investors have requested for deciding whether to
acquire the Shares and all information which the Company believes is reasonably
necessary to enable the Investors to make such decision. There is no information
known to the Company which materially adversely affects the business or
operations of the Company which has not been disclosed to the Investors. Neither
this Agreement nor any other statements or certificates made or delivered in
connection herewith contains any untrue statement of a material fact or omits to
state a material fact necessary to make the statements herein or therein not
misleading, except that, with respect to financial projections, the Company
represents only that such projections were prepared in good faith and that the
Company believes there is a reasonable basis for such projections.

          2.11 Registration Rights. Except as set forth in the Registration
               -------------------
Rights Agreement, the Company has not granted or agreed to grant any
registration rights, including piggyback rights, to any person or entity.

          2.12 Title to Property and Assets. The Company owns its property and
               ----------------------------
assets free and clear of all mortgages, liens, loans and encumbrances, except
such encumbrances and liens which arise in the ordinary course of business and
do not materially impair the Company's ownership or use of such property or
assets. With respect to the property and assets it leases, the Company is in
compliance with such leases and, to the best of its knowledge, holds a valid
leasehold

                                      -4-
<PAGE>

interest free of any liens, claims or encumbrances. All facilities, machinery,
equipment, fixtures, vehicles and other properties owned, leased or used by the
Company are in good operating condition and repair (normal wear and tear
accepted) and are reasonably fit and usable for the purposes for which they are
being used.

          2.13 Financial Statements. The Company has delivered to the Investors
               --------------------
its unaudited financial statements (balance sheet and profit and loss statement
and statement of shareholders equity) at December 31, 1998 and for the fiscal
year then ended and a balance sheet and statement of operations at September 30,
1999 (collectively, the "Financial Statements"). The Financial Statements are
complete and correct in all material respects and have been prepared in
accordance with generally accepted accounting principles applied on a consistent
basis throughout the periods indicated and with each other. The Financial
Statements accurately set out and describe the financial condition and operating
results of the Company as of the dates, and for the periods, indicated therein.
Except as set forth in the Financial Statements, the Company has no liabilities,
contingent or otherwise, of a nature required by generally accepted accounting
principles to be reflected in a balance sheet or disclosed in the notes thereto,
other than liabilities incurred in the ordinary course of business subsequent to
September 30, 1999.

          2.14 Changes. Since September 30, 1999, there has not been:
               -------
               (a)  any change in the assets, liabilities, financial condition
or operating results of the Company from that reflected in the Financial
Statements, except changes in the ordinary course of business which have not
been, in the aggregate, materially adverse.

               (b)  any damage, destruction or loss, whether or not covered by
insurance, materially and adversely affecting the assets, properties, financial
condition, operating results, prospects or business of the Company (as such
business is presently conducted and as it is proposed to be conducted);

               (c)  any waiver by the Company of a valuable right or of a
material debt owed to it;

               (d)  any satisfaction or discharge of any lien, claim or
encumbrance or payment of any obligation by the Company, except in the ordinary
course of business and which is not material to the assets, properties,
financial condition, operating results or business of the Company (as such
business is presently conducted and as it is proposed to be conducted);

               (e)  any change or amendment to a material contract or
arrangement by which the Company or any of its assets or properties is bound or
to which the Company or any of such assets or properties is subject;

               (f)  any resignation or termination of any key officers of the
Company; and the Company, to its knowledge, does not know of the impending
resignation or termination of employment of any such officer;

                                      -5-
<PAGE>

               (g)  to the knowledge of the Company any material change, except
in the ordinary course of business, in the contingent obligations of the Company
by way of guaranty, endorsement, indemnity, warranty or otherwise;

               (h)  any direct or indirect loans made by the Company to any
shareholder, employee, officer or director of the Company, other than advances
made in the ordinary course of business or loans to purchase Common Stock;

               (i)  any material change in any compensation arrangement or
agreement with any employee, officer, director or shareholder other than in the
ordinary course of business;

               (j)  any declaration or payment of any dividend or other
distribution of the assets of the Company;

               (k)  any labor organization activity;

               (l)  any debt, obligation or liability incurred, assumed or
guaranteed by the Company, except those for immaterial amounts and for current
liabilities incurred in the ordinary course of business;

               (m)  any sale, assignment or transfer of any patents, trademarks,
copyrights, trade secrets or other intangible assets; or

               (n)  to the Company's knowledge, any other event or condition of
any character which might materially and adversely affect the assets,
properties, financial condition, operating results or business of the Company
(as such business is presently conducted and as it is proposed to be conducted).

          2.15 Minute Books. The Company has offered to provide to the Investors
               ------------
the minute books of the Company, which contain a complete summary of all
meetings of directors and shareholders since the time of incorporation and
reflect all transactions referred to in such minutes accurately in all material
respects.

          2.16 Labor Agreements and Actions. The Company is not bound by or
               ----------------------------
subject to (and none of its assets or properties is bound by or subject to) any
written or oral, express or implied, contract, commitment or arrangement with
any labor union, and no labor union has requested or, to the knowledge of the
Company, has sought to represent any of the employees, representatives or agents
of the Company. There is no strike or other labor dispute involving the Company
pending, or to the knowledge of the Company threatened, which could have a
material adverse effect on the assets, properties, financial condition,
operating results, or business of the Company (as such business is presently
conducted and as it is proposed to be conducted), nor is the Company aware of
any labor organization activity involving its employees.

          2.17 Employee Plans. The Company has no "employee welfare benefit
               --------------
plans" as defined in Section 3(3) of the Employee Retirement Income Security Act
of 1974 ("ERISA"). The

                                      -6-
<PAGE>

Company (i) has not been required to contribute to, (ii) has not terminated or
withdrawn from, and (iii) is not aware of any withdrawal liability assessed
against the Company with respect to any defined benefit plan as defined in
Section 3(35) of ERISA or multi employer plan as defined in Section 4001 of
ERISA in which employees or former employees of the Company have participated.

          2.18 Employees. The Company has not knowingly violated any employment-
               ---------
related laws, including, without limitation, laws relating to equal employment
opportunity, overtime pay and collective bargaining. The Company is not aware
that any officer or key employee, or that any group of key employees, intends to
terminate their employment with the Company, nor does the Company have a present
intention to terminate the employment of any of the foregoing. Except as set
forth in the Schedule of Exceptions, the employment of each officer and employee
of the Company is terminable at the will of the Company. Each former and current
United States employee and consultant of the Company with access to confidential
or proprietary information has executed a Proprietary Information Agreement, the
form of which is attached hereto as Exhibit D. To the Company's knowledge, no
                                    ---------
employee of the Company, nor any consultant with whom the Company has
contracted, is in violation of any term of any employment contract, proprietary
information agreement or any other agreement relating to the right of any such
individual to be employed by, or to contract with, the Company because of the
nature of the business to be conducted by the Company; and to the Company's
knowledge the continued employment by the Company of its present employees, and
the performance of the Company's contracts with its independent contractors,
will not result in any such violation. The Company has not received any notice
alleging that any such violation has occurred. The Company's relations with its
employees is good.

          2.19 Tax Returns and Payments.  The Company has timely filed all tax
               ------------------------
returns (federal, state and local) required to be filed by it. All taxes shown
to be due and payable on such returns, any assessments imposed, and to the
Company's knowledge all other taxes due and payable by the Company on or before
the Closing have been paid or will be paid prior to the time they become
delinquent. The Company has not been advised except as set forth in the Schedule
of Exceptions (i) that any of its returns, federal, state or other, have been or
are being audited as of the date hereof, or (ii) of any deficiency in assessment
or proposed judgment to its federal, state or other taxes. The Company has no
knowledge of any liability of any tax to be imposed upon its properties or
assets as of the date of this Agreement that is not adequately provided for.

          2.20 Agreements; Action.
               ------------------

               (a)  Except for agreements explicitly contemplated hereby
including proprietary agreements and agreements between the Company and its
employees with respect to the sale of the Company's Common Stock, and agreements
between the Company and the Investors with respect to their investment, there
are no agreements, understandings or proposed transactions between the Company
and any of its officers, directors, affiliates or any affiliate thereof.

               (b)  There are no agreements, understandings, instruments,
contracts, proposed transactions, judgments, orders, writs or decrees to which
the Company is a party or to its knowledge by which it is bound which may
involve (i) obligations (contingent or otherwise) of, or payments to, the
Company in excess of $25,000 (other than obligations of, or payments to, the

                                      -7-
<PAGE>

Company arising from purchase or sale agreements entered into in the ordinary
course of business), or (ii) the license of any patent, copyright, trade secret
or other proprietary right to or from the Company (other than licenses arising
from the purchase or sale of "off the shelf" or other standard products), or
(iii) provisions restricting or affecting the development, manufacture or
distribution of the Company's products or services, or (iv) indemnification by
the Company with respect to infringements of proprietary rights (other than
indemnification obligations arising from purchase or sale agreements entered
into in the ordinary course of business).

               (c)  The Company has not (i) declared or paid any dividends, or
authorized or made any distribution upon or with respect to any class or Series
of its capital stock, (ii) incurred any indebtedness for money borrowed or any
other liabilities except as set forth in the Schedule of Exceptions (other than
with respect to dividend obligations, distributions, indebtedness and other
obligations incurred in the ordinary course of business or as disclosed in the
Financial Statements) individually in excess of $25,000 or, in the case of
indebtedness and/or liabilities individually less than $25,000, in excess of
$50,000 in the aggregate, (iii) made any loans or advances to any person, other
than ordinary advances for travel expenses, or (iv) sold, exchanged or otherwise
disposed of any material amount of its assets or rights, other than the sale of
its inventory in the ordinary course of business.

               (d)  For the purposes of subsections (b) and (c) above, all
indebtedness, liabilities, agreements, understandings, instruments, contracts
and proposed transactions involving the same person or entity (including persons
or entities the Company has reason to believe are affiliated therewith) shall be
aggregated for the purpose of meeting the individual minimum dollar amounts of
such subsections.

               (e)  Except as set forth in the Schedule of Exceptions, the
Company has not engaged in the past three (3) months in any material discussion
(i) with any representative of any corporation or corporations regarding the
consolidation or merger of the Company with or into any such corporation or
corporations, (ii) with any corporation, partnership, association or other
business entity or any individual regarding the sale, conveyance or disposition
of all or substantially all of the assets of the Company, or a transaction or
Series of related transactions in which more than fifty percent (50%) of the
voting power of the Company is disposed of, or (iii) regarding any other form of
acquisition, liquidation, dissolution or winding up of the Company.

         2.21  Obligations to Related Parties. There are no obligations of the
               ------------------------------
Company to officers, directors, shareholders or employees of the Company other
than (a) for payment of salary for services rendered, (b) reimbursement for
reasonable expenses incurred on behalf of the Company and (c) for other standard
employee benefits made generally available to all employees (including stock
option agreements outstanding under any stock option plan approved by the Board
of Directors of the Company). Except as set forth in the Schedule of Exceptions
none of the officers, directors or shareholders of the Company, or any members
of their immediate families, are indebted to the Company or have any direct or
indirect ownership interest in any firm or corporation with which the Company is
affiliated or with which the Company has a business relationship, or any firm or
corporation which competes with the Company, except that officers, directors
and/or shareholders of

                                      -8-
<PAGE>

the Company may own stock in publicly traded companies which may compete with
the Company. No officer, director or shareholder, or any member of their
immediate families, is, directly or indirectly, interested in any material
contract with the Company (other than such contracts as relate to any such
person's ownership of capital stock or other securities of the Company). Except
as may be disclosed in the Financial Statements, the Company is not a guarantor
or indemnitor of any indebtedness of any other person, firm or corporation.

         2.22  Real Property Holding Corporation. The Company is not a real
               ---------------------------------
property holding corporation within the meaning of Internal Revenue Code Section
897(c)(2) and any regulations promulgated thereunder.

         2.23  Insurance. The Company has or will obtain promptly following
               ---------
Closing fire and casualty insurance policies with coverage customary for
companies similarly situated to the Company.

         2.24  Investment Company Act. The Company is not an "investment
               ----------------------
company," or a company "controlled" by an "investment company," within the
meaning of the Investment Company Act of 1940, as amended.

         2.25  Qualified Small Business. The Company represents and warrants to
               ------------------------
the Investors that, to its knowledge, the Shares should qualify as "Qualified
Small Business Stock" as defined in Section 1202(c) of the Internal Revenue Code
of 1986, as amended (the "Code") as of the date hereof.

         2.26  Offering of Shares. Neither the Company nor any person authorized
               ------------------
or employed by the Company as agent, broker, dealer or otherwise in connection
with the offering or sale of the Shares or any security of the Company similar
to the Shares has offered the Shares or any such similar security for sale to,
or solicited any offer to buy the Shares or any such similar security from, or
otherwise approached or negotiated with respect thereto with, any person or
persons, and neither the Company nor any person acting on its behalf has taken
or will take any other action (including, without limitation, any offer,
issuance or sale of any security of the Company under circumstances which might
require the integration of such security with the Shares under the Securities
Act of 1933, as amended (the "Act") or the rules and regulations of the
Commission thereunder), in either case so as to subject the offering, issuance
or sale of the Shares to the registration provisions of the Act.

     3.  Representations and Warranties of the Investors. Each Investor for
         -----------------------------------------------
itself hereby represents and warrants to the Company that:

         3.1   Authorization. This Agreement constitutes its valid and legally
               -------------
binding obligation, enforceable in accordance with its terms.

         3.2   Purchase Entirely for Own Account. This Agreement is made with
               ---------------------------------
the Investor in reliance upon the Investor's representation to the Company,
which by the Investor's execution of this Agreement the Investor hereby
confirms, that the Shares will be acquired for

                                      -9-
<PAGE>

investment for the Investor's own account, not as a nominee or agent, and not
with a view to the resale or distribution of any part thereof, and that the
Investor has no present intention of selling, granting any participation in, or
otherwise distributing the same. By executing this Agreement, the Investor
further represents that the Investor does not presently have any contract,
undertaking, agreement or arrangement with any person to sell, transfer or grant
participations to such person or to any third person, with respect to any of the
Shares. The Investor represents that it has full power and authority to enter
into this Agreement.

         3.3  Disclosure of Information. The Investor believes it has received
              -------------------------
information that it considers necessary or appropriate for deciding whether to
acquire the Shares. The Investor further represents that it has had an
opportunity to ask questions and receive answers from the Company regarding the
terms and conditions of the offering of the Shares. The foregoing, however, does
not limit or modify the representations and warranties of the Company in Section
2 of this Agreement or the right of the Investor to rely thereon.

         3.4  Economic Risk. The Investor has the capacity to protect his own
              -------------
interests in connection with the purchase of the Shares, is capable of
evaluating the merits and risks of investment in the Company, can make an
informed investment decision by reason of (i) his preexisting personal or
business relationship with the Company or any of its officers, directors, or
control persons, or (ii) his business and financial knowledge and experience or
the business and financial knowledge and experience of my professional advisers,
if any, and is able to bear the substantial economic risks of an investment in
the Shares for an indefinite period of time.

         3.5  Restricted Securities. It understands that the shares of Common
              ---------------------
Stock sold hereunder are characterized as "restricted securities" under the
federal securities laws inasmuch as they are being acquired from the Company in
a transaction not involving a public offering and that under such laws and
applicable regulations such shares may be resold without registration under the
Act, only in certain limited circumstances. In this connection, the Investor
represents that he is familiar with SEC Rule 144, as presently in effect, and
understands the resale limitations imposed thereby and by the Act.

         3.6  Further Limitations on Disposition. Without in any way limiting
              ----------------------------------
the representations set forth above, the Investor further agrees not to make any
disposition of all or any portion of the Shares unless and until:

              (a) There is then in effect a Registration Statement under the Act
covering such proposed disposition and such disposition is made in accordance
with such Registration Statement; or

              (b)  (i) The Investor shall have notified the Company of the
proposed disposition and shall have furnished the Company with a detailed
statement of the circumstances surrounding the proposed disposition, and (ii) if
reasonably requested by the Company, the Investor shall have furnished the
Company with an opinion of counsel, reasonably satisfactory to the Company, that
such disposition will not require registration under the Act.

                                      -10-
<PAGE>

               (c)  Notwithstanding the provisions of paragraphs (a) and (b)
above, no such registration statement or opinion of counsel shall be necessary
for a transfer by the Investor to a shareholder, partner or other affiliate of
the Investor, if the transferee or transferees agree in writing to be subject to
the terms hereof to the same extent as if they were the Investor hereunder.

          3.7  Legends. It is understood that the Shares, and the shares of
               -------
Common Stock issuable upon conversion thereof and any securities issued in
respect thereof or exchanged therefor may bear one or all of the following
legends:

               (a) THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE BEEN ACQUIRED
FOR SUCH SHARES MAY NOT BE SOLD OR TRANSFERRED IN THE ABSENCE OF SUCH
REGISTRATION OR UNLESS THE COMPANY RECEIVES AN OPINION OF COUNSEL REASONABLY
ACCEPTABLE TO IT STATING THAT SUCH SALE OR TRANSFER IS EXEMPT FROM THE
REGISTRATION AND PROSPECTUS DELIVERY REQUIREMENTS OF SAID ACT. COPIES OF THE
AGREEMENT COVERING THE PURCHASE OF THESE SHARES AND RESTRICTING THEIR TRANSFER
MAY BE OBTAINED AT NO COST BY WRITTEN REQUEST MADE BY THE HOLDER OF RECORD OF
THIS CERTIFICATE TO THE SECRETARY OF THE CORPORATION AT THE PRINCIPAL EXECUTIVE
OFFICES OF THE CORPORATION.

               (b)  Any legend required by the laws of the State of California,
     including any legend required by the California Department of Corporations.

               (c)  Any legend required by the Blue Sky laws of any other state
     to the extent such laws are applicable to the shares represented by the
     certificate so legended.

     4.  California Commissioner of Corporations.
         ---------------------------------------

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

     5.  Conditions of Investor's Obligations at Closing. The obligations of the
         -----------------------------------------------
Investors under Section 1.1 of this Agreement are subject to the fulfillment, on
or before the Closing, of each of the following conditions:

                                      -11-
<PAGE>

         5.1  Representations and Warranties. The representations and warranties
              ------------------------------
of the Company contained in Section 2 shall be true and correct in all material
respects as of the Closing.

         5.2  Performance. The Company shall have performed and complied with
              -----------
all agreements, obligations and conditions contained in this Agreement that are
required to be performed or complied with by it on or before the Closing.

         5.3  Articles of Incorporation. The Company shall have filed with, and
              -------------------------
have had accepted for filing by, the California Secretary of State the Amended
and Restated Articles of Incorporation of the Company attached as Exhibit B
                                                                  ---------
hereto.

         5.4  Compliance Certificate. The President of the Company shall deliver
              ----------------------
to the Investors at the Closing a certificate certifying that the conditions
specified in Sections 5.1 and 5.2 have been fulfilled.

         5.5  Shareholders Agreement. The Company shall deliver to the Investors
              ----------------------
at the Closing copies of the Shareholders Agreement executed by the necessary
majority of the signatories thereto.

         5.6  Registration Rights Agreement. The Company shall deliver to the
              -----------------------------
Investors at the Closing copies of the Registration Rights Agreement executed by
the necessary majority of the signatories thereto.

          5.7 Opinion of Company's Counsel. The Purchasers shall have received
              ----------------------------
from Wilson Sonsini Goodrich & Rosati, counsel to the Company, an opinion
addressed to them, dated the Closing Date, in substantially the form of Exhibit
                                                                        -------
G.
-
     6.   Conditions of the Company's Obligations at Closing. The obligations of
          --------------------------------------------------
the Company to the Investors under this Agreement are subject to the
fulfillment, on or before the Closing, of each of the following conditions by
the Investors:

          6.1  Representations and Warranties. The representations and
               ------------------------------
warranties of the Investors contained in Section 3 shall be true and correct in
all material respects as of the Closing.

          6.2  Payment of Purchase Price. The Investors shall have delivered to
               -------------------------
the Company the purchase price specified in Section 1.1 hereof.

          6.3  Legal Matters. All material matters of a legal nature which
               -------------
pertain to this Agreement, and the transactions contemplated hereby, shall have
been reasonably approved by counsel to the Company.

     7.   Covenants of the Company.
          ------------------------

          7.1  Delivery of Financial Statements. The Company shall deliver the
               --------------------------------
following financial information to each Investor who continues to hold at least
50,000 Shares (or the Common

                                      -12-
<PAGE>

Stock into which the Shares have been converted) (as adjusted for any stock
split, stock dividends, combinations, recapitalizations and the like with
respect to such Shares)(for purposes of satisfying the 50,000 share threshold
herein, shares owned by partners, subsidiaries, parents, shareholders or
affiliates will be aggregated; provided, however, that the Company shall only be
required to deliver financial information to one representative of each group of
affiliated persons or entities), and as long as such Investor or a principal,
partner or manager of such Investor, is not employed by or associated with a
competitor of the Company:

                    (a)  as soon as practicable after the end of each fiscal
year of the Company an income statement for such fiscal year, a balance sheet of
the Company as of the end of such year and in any event within 120 days
thereafter, and a schedule as to the sources and applications of funds for such
year, such year-end financial reports to be audited by a "Big Five" accounting
firm and in reasonable detail, prepared in accordance with generally accepted
accounting principles ("GAAP");

                    (b)  prior to the commencement of each fiscal year of the
Company, an operating (c) within thirty (30) days of the end of each month, an
unaudited balance sheet and statement of operations as of the end of such month.

               7.2  Inspection Rights. Each Investor shall have the right to
                    -----------------
visit and inspect any of the properties of the Company or any of its
subsidiaries, and to discuss the affairs, finances and accounts of the Company
or any of its subsidiaries with its officers, and to review such information as
is reasonably requested all at such reasonable times and as often as may be
reasonably requested; provided, however, that the Company shall not be obligated
under this Section 7.2 with respect to a competitor of the Company or with
respect to information which the Board of Directors determines in good faith is
confidential and should not, therefore, be disclosed.

               7.3  Reservation of Common Stock. The Company will at all times
                    ---------------------------
reserve and keep available, solely for issuance and delivery upon the conversion
of the Preferred Stock, all Common Stock issuable from time to time upon such
conversion (the "Conversion Stock").

               7.4  Proprietary Information Agreement.  The Company shall
                    ---------------------------------
require all employees and consultants to execute and deliver a Proprietary
Information Agreement in the form attached hereto as Exhibit D.
                                                     ---------

               7.5  Termination of Information Covenant. The covenant set forth
                    -----------------------------------
in Section 7.1 shall terminate as to the Investors and be of no further force or
effect at such time as the initial sale of securities pursuant to a registration
statement filed by the Company under the Securities Act in connection with the
firm commitment underwritten offering of its securities to the general public is
consummated.

                                      -13-
<PAGE>

               7.6  Key Man Life Insurance. The Company shall obtain and
                    ----------------------
maintain a key man life insurance policy for $1,000,000 with respect to the
Chief Executive Officer of the Company with proceeds payable to the Company.

               7.7  Qualified Small Business Stock. The Company shall submit to
                    ------------------------------
the Investors and to the Internal Revenue Service any reports that may be
required to be submitted to such persons under Section 1202(d)(1)(C) of the
Internal Revenue Code of 1986, as amended (the "Code") and any related Treasury
Regulations. In addition, within fifteen (15) business days after any Investor
has delivered to the Company a written request for information regarding such
Investor's stock in reasonable contemplation of the Investor's sale, exchange or
other disposition of its stock, the Company shall provide the Investor with such
information as the Investor may reasonably request in order for the Investor to
determine whether the stock held by such Investor constitutes "qualified small
business stock" as defined in Section 1202(c) of the Code. The Company's
obligation to furnish such information pursuant to this Section 7.7 shall
continue notwithstanding the fact that a class of the Company's stock may be
traded on an established securities market.

               7.8  Legal Expenses. The Company shall pay the legal expenses of
                    --------------
the Investors in connection with the Series D Preferred Stock financing in an
aggregate amount not to exceed $25,000.

          8.   Miscellaneous.
               -------------

               8.1  Transfer; Successors and Assigns. The terms and conditions
                    --------------------------------
of this Agreement shall inure to the benefit of and be binding upon the
respective successors and assigns of the parties. Nothing in this Agreement,
express or implied, is intended to confer upon any party other than the parties
hereto or their respective successors and assigns any rights, remedies,
obligations, or liabilities under or by reason of this Agreement, except as
expressly provided in this Agreement.

               8.2  Governing Law. This Agreement shall be governed by and
                    -------------
construed under the laws of the State of California as applied to agreements
among California residents entered into and to be performed entirely within
California.

               8.3  Counterparts. This Agreement may be executed in two or more
                    ------------
counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument.

               8.4  Titles and Subtitles. The titles and subtitles used in this
                    --------------------
Agreement are used for convenience only and are not to be considered in
construing or interpreting this Agreement.

               8.5  Notices. Unless otherwise provided, any notice required or
                    -------
permitted under this Agreement shall be given in writing and shall be deemed
effectively given upon personal delivery to the party to be notified or upon
deposit with the United States Post Office, by registered or certified mail,
postage prepaid and addressed to the party to be notified at the address or
addresses

                                      -14-
<PAGE>

indicated for such party on Exhibit A hereto, or at such other address or
                            ---------
addresses as such party may designate by ten (10) days' advance written notice
to the other parties.

          8.6  Finder's Fee.  Except as elsewhere disclosed in this Agreement,
               ------------
or in Exhibit C hereto, each party represents that it neither is nor will be
      ---------
obligated for any finder's fee or commission in connection with this
transaction. The Investor agrees to indemnify and to hold harmless the Company
from any liability for any commission or compensation in the nature of a
finder's fee (and the costs and expenses of defending against such liability or
asserted liability) for which the Investor or any of its officers, employees, or
representatives are responsible.

     The Company agrees to indemnify and hold harmless the Investor from any
liability for any commission or compensation in the nature of a finder's fee
(and the costs and expenses of defending against such liability or asserted
liability) for which the Company or any of its officers, employees or
representatives is responsible.

          8.7  Expenses.  If any action at law or in equity is necessary to
               --------
enforce or interpret the terms of this Agreement, the prevailing party shall be
entitled to reasonable attorney's fees, costs and necessary disbursements in
addition to any other relief to which such party may be entitled.

          8.8  Amendments and Waivers.  Any term of this Agreement may be
               ----------------------
amended and the observance of any term of this Agreement may be waived (either
generally or in a particular instance and either retroactively or
prospectively), only with the written consent of the Company and the holders of
a majority-in-interest of the Shares.

          8.9  Severability.  If one or more provisions of this Agreement are
               ------------
held to be unenforceable under applicable law, such provision shall be excluded
from this Agreement and the balance of the Agreement shall be interpreted as if
such provision were so excluded and shall be enforceable in accordance with its
terms.

          8.10 Entire Agreement.  This Agreement constitutes the entire
               ----------------
agreement between the parties hereto pertaining to the subject matter hereof,
and any and all other written or oral agreements existing between the parties
hereto are expressly canceled.

          8.11 Exculpation Among Investors.  Each Investor acknowledges that it
               ---------------------------
is not relying upon any person, firm or corporation, other than the Company and
its officers and directors, in making its investment or decision to invest in
the Company. Each investor agrees that no Investor nor the respective
controlling persons, officers, directors, partners, agents or employees of any
Investor shall be liable for any action heretofore or hereafter taken or omitted
to be taken by any of them in connection with the Shares.

                                     -15-
<PAGE>

     IN WITNESS WHEREOF, the parties have executed this Agreement as of the date
first above written.

INVENTA CORPORATION

By:  /s/ David A. Lavanty
    -------------------------------
    David A. Lavanty, President

Address:
255 Shoreline Drive, 2nd Floor
Redwood Shores, CA  94065
<PAGE>

INVESTORS:

BANCBOSTON VENTURES INC.

By: /s/ Mara D. Heymann
    -----------------------------
Name:  Mara D. Heymann
Title:  Director

PRIVATE EQUITY PORTFOLIO FUND II, LLC
BY BANKBOSTON NA, ITS MANAGER,

By: /s/ Glen Holland
    -----------------------------
Name:  Glen Holland
Title:  Director

                                      -2-
<PAGE>

BATTERY VENTURES III, L.P.
By:  Battery Partners III, L.P.

By: /s/ Todd Dagres
    -------------------------
        Todd Dagres

Title:  General Partner
       ----------------------

                                      -3-
<PAGE>

BOSTON MILLENNIA PARTNERS LIMITED PARTNERSHIP
By: Glen Partners Limited Partnership
    Its General Partner

By: /s/ [ILLEGIBLE]^^
    ----------------------------
    General Partner

BOSTON MILLENNIA ASSOCIATES I, PARTNERSHIP

By: /s/ [ILLEGIBLE]^^
    ----------------------------
    General Partner

                                      -4-
<PAGE>

/s/ Robert Ducommun
-----------------------------------------
Robert Ducommun

PALMER G. AND CHARLES E. DUCOMMUN
 CHARITABLE ANNUITY TRUST U/D/T

By: /s/ Robert Ducommun
-----------------------------------------
    Robert Ducommun, Trustee

                                      -5-
<PAGE>

ESSEX PRIVATE PLACEMENT FUND II, LIMITED PARTNERSHIP
By: Essex Investment Mgt. Company LLC
    Its General Partner

By:  /s/ [ILLEGIBLE]^^
     -------------------------------------
Its: Principal
     -------------------------------------

                                      -6-
<PAGE>

THE CHASE MANHATTAN BANK, AS TRUSTEE
 FOR FIRST PLAZA GROUP TRUST

By: /s/ John F. Weeda
    ---------------------------
        John F. Weeda

Title: Vice President
       ------------------------

     The Chase Manhattan Bank Has executed this Document/Agreement
     solely to its capacity as Directed Trustee of the First Plaza Group Trust
     upon the direction of General Motors Investment Management
     Corporation.

                                      -7-
<PAGE>

TECHNOLOGY CROSSOVER VENTURES II, C.V.
a Netherlands Antilles Limited Partnership
By:  Technology Crossover Management II, L.L.C.
Its: Investment General Partner

By: /s/ RBJ
    ---------------------------------
Name:  Robert C. Bensky
Title: Chief Financial Officer

TCV II, V.O.F.
a Netherlands Antilles General Partnership
By:  Technology Crossover Management II, L.L.C.
Its: Investment General Partner

By: /s/ RBJ
    ---------------------------------
Name:  Robert C. Bensky
Title: Chief Financial Officer

TCV II(Q), L.P.
a Delaware Limited Partnership
By:  Technology Crossover Management II, L.L.C.
Its: General Partner

By: /s/ RBJ
    ---------------------------------
Name:  Robert C. Bensky
Title: Chief Financial Officer

TECHNOLOGY CROSSOVER VENTURES II, L.P.
a Delaware Limited Partnership
By:  Technology Crossover Management II, L.L.C.
Its: General Partner

By: /s/ RBJ
    ---------------------------------
Name:  Robert C. Bensky
Title: Chief Financial Officer

TCV II STRATEGIC PARTNERS, L.P.
a Delaware Limited Partnership
By:  Technology Crossover Management II, L.L.C.
Its: General Partner

By: /s/ RBJ
    ---------------------------------
Name:  Robert C. Bensky
Title: Chief Financial Officer

                                      -8-
<PAGE>

                                   EXHIBIT A
                                   ---------

                             SCHEDULE OF INVESTORS

<TABLE>
<CAPTION>
                Name and Address                          Shares                 Amount
-----------------------------------------------    ---------------------  ---------------------
<S>                                                <C>                    <C>
BancBoston Ventures Inc.                                         944,670         $ 7,000,004.70
435 Tasso Street, Suite 250
Palo Alto, CA 94301
Attention: Maia Heymann

Private Equity Portfolio II, LLC                                 134,952         $   999,994.32
c/o BancBoston Capital
175 Federal Street, 10/th/ Floor
Boston, MA 02110
Attention: Glen Holland

Battery Ventures III, L.P.                                        62,672         $   464,399.52
20 William Street
Wellesley, MA 01282
Attention: Rick Frisbie

Boston Millennia Associates I, Limited                             8,203         $    60,784.23
  Partnership
30 Rowes Wharf
Boston, MA 02110
Attention: Martin J. Hernon

Boston Millennia Partners Limited Partnership                    417,168         $ 3,091,214.88
30 Rowes Wharf
Boston, MA 02110
Attention: Martin J. Hernon

Robert Ducommun                                                   13,500         $   100,035.00
1155 Park Avenue, Apt. 1 SW
New York, NY 10128

Palmer G. and Charles E. Ducommun                                  6,700         $    49,647.00
Charitable Annuity Trust, u/d/t
1155 Park Avenue, Apt. 1 SW
New York, NY 10128
Attention: Robert Ducommun
</TABLE>
<PAGE>

<TABLE>
<S>                                                              <C>             <C>
Essex Private Placement Fund II,                                 269,906         $ 2,000,003.46
  Limited Partnership
c/o Essex Investment Mgt. Company
125 High Street
Boston, MA 02110
Attention: Susan Stickells

The Chase Manhattan Bank,
as Trustee for First Plaza Group Trust
Global Investor Services                                         716,858         $ 5,311,917.78
4 Chase Metro Tech Center, 18/th/ Floor
Brooklyn, NY 11245
Attention: John F. Weeda

Technology Crossover Ventures II, L.P.                           203,486         $ 1,507,831.26
c/o Technology Crossover Ventures
56 Main Street, Suite 210
Millburn, NJ 07041
Attention: Robert C. Bensky

TCV II (Q), L.P.                                                 156,443         $ 1,159,242.63
c/o Technology Crossover Ventures
56 Main Street, Suite 210
Millburn, NJ 07041
Attention: Robert C. Bensky

Technology Crossover Ventures II, C.V                             31,068         $   230,213.88
c/o Technology Crossover Ventures
56 Main Street, Suite 210
Millburn, NJ 07041
Attention: Robert C. Bensky

TCV II Strategic Partners, L.P                                    27,764         $   205,731.24
c/o Technology Crossover Ventures
56 Main Street, Suite 210
Millburn, NJ 07041
Attention: Robert C. Bensky
</TABLE>

                                      -2-
<PAGE>

<TABLE>
<S>                                                            <C>               <C>
TCV II, V.O.F                                                      6,610         $    48,980.10
c/o Technology Crossover Ventures
56 Main Street, Suite 210
Millburn, NJ 07041
Attention: Robert C. Bensky

                  TOTAL                                        3,000,000         $22,230,000.00
</TABLE>

                                      -3-
<PAGE>

                                   EXHIBIT B
                                   ---------

                AMENDED AND RESTATED ARTICLES OF INCORPORATION
<PAGE>

                                   EXHIBIT C
                                   ---------

                            SCHEDULE OF EXCEPTIONS<PAGE>

                                                                    EXHIBIT 10.5

                              INVENTA CORPORATION

                             _____________________

                  AMENDED AND RESTATED SHAREHOLDERS AGREEMENT

                             _____________________

                               January 19, 2000
<PAGE>

                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                  Page
                                                                                  ----
<S>                                                                               <C>
ARTICLE I Right of First Refusal on Shareholder Transfer...........................  2

     1.1  Company Right............................................................  2
     1.2  Preferred Holders' Right.................................................  2
     1.3  Failure to Exercise Rights...............................................  2
     1.4  Price....................................................................  3
     1.5  Transfer of Rights.......................................................  3
     1.6  Prohibited Transfers.....................................................  3
     1.7  Definition of "Shares"...................................................  3
     1.8  Permitted Transfers......................................................  3

ARTICLE II Right of Co-Sale on Shareholder Transfer................................  4

     2.1  Right of Co-Sale.........................................................  4
     2.2  Agreement not to Transfer................................................  4
     2.3  Definition of Shares.....................................................  4
     2.4  Permitted Transfers......................................................  4
     2.5  Prohibited Transfers.....................................................  5

 ARTICLE III Right of First Refusal on Company Issuances...........................  6

     3.1  Grant of Right...........................................................  6
     3.2  New Securities...........................................................  6
     3.3  Notice...................................................................  7
     3.4  Sale after Company Notice................................................  7
     3.5  Assignment...............................................................  8

ARTICLE IV Termination of Rights...................................................  8

ARTICLE V Specific Performance.....................................................  8

ARTICLE VI Legends.................................................................  9

ARTICLE VII Board of Directors.....................................................  9

     7.1  Board of Directors.......................................................  9
     7.2  Compensation Committee...................................................  9
     7.3  Audit Committee.......................................................... 10

ARTICLE VIII Reorganizations....................................................... 10

ARTICLE IX General Provisions...................................................... 10

     9.1  Governing Law............................................................ 10
     9.2  Entire Agreement......................................................... 10
</TABLE>

                                      -i-
<PAGE>

                               TABLE OF CONTENTS
                                  (continued)

<TABLE>
<CAPTION>
                                                                                  Page
                                                                                  ----
<S>                                                                               <C>
     9.3  Amendment................................................................ 11
     9.4  Successors............................................................... 11
     9.5  Invalidity of Provisions................................................. 11
     9.6  Notice................................................................... 11
     9.7  No Waiver................................................................ 11
     9.8  Cooperation.............................................................. 12
     9.9  Addition of Parties...................................................... 12
     9.10 Counterparts............................................................. 12
</TABLE>

EXHIBIT A - Schedule of Purchasers
EXHIBIT B - Schedule of Holders of Series A Preferred Stock
EXHIBIT C - Schedule of Holders of Series B Preferred Stock
EXHIBIT D - Schedule of Holders of Series C Preferred Stock
EXHIBIT E - Schedule of Certain Common Stock Holders
EXHIBIT F - Form of Instrument of Accession

                                      -ii-
<PAGE>

                              INVENTA CORPORATION

                  AMENDED AND RESTATED SHAREHOLDERS AGREEMENT

     THIS AMENDED AND RESTATED SHAREHOLDERS AGREEMENT is made this 19th day of
January, 2000, between Inventa Corporation, a California corporation (the
"Company"), the purchasers of the Company's Series D Preferred Stock (the
"Purchasers") as listed on Exhibit A attached hereto, Ashok K. Santhanam
                           ---------
("Founder"), the holders of the Company's Series A Preferred Stock (the "Series
A Holders") listed on Exhibit B attached hereto, the holders of the Company's
                      ---------
Series B Preferred Stock (the "Series B Holders") listed on Exhibit C attached
                                                            ---------
hereto, the holders of the Company's Series C Preferred Stock (the "Series C
Holders") listed on Exhibit D attached hereto, and certain holders of the
                    ---------
Company's Common Stock (the "Common Holders") as listed on Exhibit E attached
                                                           ---------
hereto.  The Purchasers, Series A Holders, Series B Holders and Series C Holders
shall collectively be referred to as the "Preferred Holders".  The Purchasers,
the Founder, the Preferred Holders and the Common Holders shall collectively be
referred to as the "Shareholders".

     WHEREAS, Founder is the beneficial owner or may be deemed to be the
beneficial owner of 4,500,000 shares of the Common Stock of the Company.

     WHEREAS, the Series A Holders and the Company are parties to the Series A
Preferred Stock Purchase Agreement dated July 8, 1994 (the "Series A
Agreement").

     WHEREAS, the Series B Holders and the Company are parties to the Series B
Preferred Stock Purchase Agreement dated February 14, 1997 (the "Series B
Agreement").

     WHEREAS, the Series C Holders and the Company are parties to the Series C
Preferred Stock Purchase Agreements dated May 11, 1998 and May 28, 1999 (the
"Series C Agreements").

     WHEREAS, the Common Holders are the owners of 42,696 shares of the Common
Stock of the Company.

     WHEREAS, the parties desire that this Agreement supersede the Restated
Shareholders Agreement dated May 11, 1998 in its entirety.

     WHEREAS, the Purchasers have requested, as a condition to entering into the
Series D Convertible Preferred Stock Purchase Agreement of even date herewith
(the "Series D Agreement") that the Founder and the Shareholders enter into this
Agreement, and the Founder and the Shareholders, as an inducement to the
Purchasers to enter into the Series D Agreement of even date herewith, are
willing to enter into this Agreement.

     NOW, THEREFORE, in consideration of the premises, mutual covenants and
terms hereof, the receipt and sufficiency of which is hereby acknowledged, the
parties agree as follows:
<PAGE>

                                   ARTICLE I

                Right of First Refusal on Shareholder Transfer
                ----------------------------------------------

     1.1  Company Right. If at any time a Shareholder desires (or is required)
          -------------
to sell or transfer in any manner any Shares (as hereinafter defined) pursuant
to the terms of a bona fide offer received from a third party (a "Buyer"), the
Shareholder shall submit a written offer to sell such Shares (the "Offered
Shares") to the Company on terms and conditions, including price, not less
favorable to the Company than those on which the Shareholder proposes to sell
such Offered Shares to Buyer (the "Offer"). The Offer shall disclose the
identity of the Buyer, the number of Offered Shares, the terms of the proposed
sale or transfer and any other material facts relating to the sale or transfer.
Within fifteen (15) days after receipt of the Offer, the Company shall give
notice to the Shareholder of its intent to purchase all or some of the Offered
Shares from the Shareholder on the terms and conditions set forth in the Offer.

     1.2  Preferred Holders' Right. If, for any reason whatsoever, the Company
          ------------------------
shall not exercise its right to purchase all of the Offered Shares as provided
herein, the Company shall promptly provide to the Preferred Holders, written
notice (the "Notice") of same (which shall include a copy of the Offer provided
to the Company pursuant to Section 1.1 hereof), and then the Preferred Holders
shall have the right, for a period of fifteen (15) days from the date of the
Notice to purchase, on a pro rata basis, on the same terms and conditions as are
set forth in the Offer, that portion of the Offered Shares which the Company
shall not have agreed to purchase from the Shareholder (all such remaining
Shares being referred to as the "Remaining Offered Shares"). For purposes of
this Section 1.2, Preferred Holder's pro rata right shall be calculated by
dividing the number of shares of Common Stock issuable upon conversion of
Preferred Stock held by such Preferred Holder by the total number of shares of
Common Stock issuable upon conversion of Preferred Stock held by all Preferred
Holders.

     1.3  Failure to Exercise Rights. In the event that the Company and the
          --------------------------
Preferred Holders, taken together, do not purchase all of the Offered Shares
pursuant to and within the time periods set forth above, any remaining Offered
Shares may be sold or transferred by the Shareholder at any time within 90 days
thereafter, subject to compliance with Article II. Any such sale or transfer
shall be at not less than the price nor upon other terms and conditions, if any,
not more favorable to the Buyer than those specified in the Offer. Any Offered
Shares not sold within such 90-day period shall thereafter again be subject to
the requirements of this Article I. In the event that Shares are sold or
transferred to the Preferred Holders pursuant to this subsection, said Offered
Shares shall no longer be subject to this Agreement.

     1.4  Price. With respect to any Shares to be transferred pursuant to
          -----
Section 1.1 hereof and as to which a price has not been set by the Shareholder
under Section 1.1 hereof, the price per Share shall be a price set by the Board
of Directors of the Company which will reflect the current value of the Shares
in terms of present earnings and future prospects of the Company. The Company
shall notify the Shareholder of the price so determined within fifteen (15) days
after receipt by it of the Offer. If the Shareholder disputes the price as set
by the Board of Directors by giving notice to the

                                      -2-
<PAGE>

Company within ten (10) days after being informed of the price, the price of the
Shares shall be determined by an independent financial analyst selected by the
Board of Directors of the Company, with the cost of such determination to be
divided equally between the Company and the Shareholder. The Board of Directors
shall select such analyst within fifteen (15) days after receipt of notice that
the Shareholder is disputing the price set by the Board of Directors. If the
Board is not notified of any such dispute within such ten (10) day period, the
decision of the Board of Directors as to the purchase price shall be final. Any
time required to determine a purchase price or to resolve a dispute shall be
added to the fifteen (15) day period in which the Company may exercise its right
to purchase the Offered Shares.

     1.5  Transfer of Rights. The right of the Preferred Holders to purchase
          ------------------
Offered Shares hereunder may not be assigned except to a transferee or assignee
who qualifies as a partner, subsidiary or affiliate of one of the Preferred
Holders, or a parent of one of the Preferred Holders, or any entity which has
the same parent corporation as one of the Preferred Holders.

     1.6  Prohibited Transfers. The Shareholder shall not sell, assign,
          --------------------
transfer, pledge, hypothecate, mortgage or dispose of, by gift or otherwise, or
in any way encumber, all or any part of the Shares owned by him during the term
of this Agreement other than in compliance with the terms of this Article I.

     1.7  Definition of "Shares". For purposes of this Article I, the term
          ---------------------
"Shares" shall mean and include all shares of capital stock of the Company owned
by the Shareholder, whether presently held or hereafter acquired.

     1.8  Permitted Transfers. The right of first refusal contained in this
          -------------------
Article I shall not apply to: (a) any transfer of Shares by the Shareholder by
gift or bequest or through inheritance to, or for the benefit of, any family
member; (b) any transfer of Shares by the Shareholder to a trust for the benefit
of any family member; (c) any sale or transfer of Shares to the Company (or any
assignee of the Company) pursuant to the terms of a stock restriction or stock
repurchase agreement (which provides for such sale upon the Shareholder's
termination of employment); (d) any sale of Common Stock in a public offering
pursuant to a registration statement filed by the Company with the Securities
and Exchange Commission; (e) any pledge made pursuant to a bona fide loan
transaction that creates a mere security interest; (f) any transfer of Shares by
a Shareholder that is a partnership to its partners; or (g) any transfer of
Shares by a Shareholder that is a trust to a successor trust or successor
trustee. In the event of any transfer pursuant to (a), (b), (f) or (g), the
transferee of the Shares shall hold the Shares so acquired with all the rights
conferred by, and subject to all the restrictions imposed by, this Agreement.

                                  ARTICLE II

                   Right of Co-Sale on Shareholder Transfer
                   ----------------------------------------

     2.1  Right of Co-Sale. In the event that the Shareholder desires (or is
          ----------------
required) to sell or transfer in any manner any Shares (as hereinafter defined)
pursuant to the terms of a bona fide offer received from a Buyer, and the
Company and the Preferred Holders do not exercise their right of

                                      -3-
<PAGE>

first refusal as to all of the Offered Shares as set forth in Article I hereof,
each Preferred Holder shall have the right (the "Right of Co-Sale") to require,
as a condition to such sale or transfer, that the Buyer purchase from each
Preferred Holder at the same price per share and on the same terms and
conditions as involved in such sale or disposition by the Shareholder that
percentage of the Offered Shares not purchased by the Company or the Preferred
Holders pursuant to Article I above, expressed by a fraction, the numerator of
which is the number of shares of Preferred Stock (on an as-converted into Common
Stock basis) and Common Stock held by such Preferred Holder and the denominator
of which is the aggregate number of shares of Preferred Stock (on an as-
converted into Common Stock basis) and Common Stock held by all Preferred
Holders and the number of Shares held by the Shareholder. The Preferred Holders
shall act upon the Buyer's offer to buy as soon as practicable after receipt
from the Company of the Notice and in all events within fifteen (15) days after
receipt of the Notice. In the event that the Preferred Holders shall elect to
exercise their Right of Co-Sale, the Preferred Holders shall communicate in
writing such election to the Shareholder.

     2.2  Agreement not to Transfer. The Shareholder shall not sell, assign,
          -------------------------
transfer, pledge, hypothecate, mortgage or dispose of, by gift or otherwise, or
in any way encumber, all or any part of the Shares (as hereinafter defined)
owned by him during the term of this Agreement other than in compliance with the
terms of this Article II.

     2.3  Definition of Shares. For purposes of this Article II, the term "
          --------------------
Shares" shall mean and include all shares of capital stock of the Company owned
by the Shareholder, whether presently held or hereafter acquired.

     2.4  Permitted Transfers. The Right of Co-Sale contained in this Article II
          -------------------
shall not apply to: (a) any transfer of Shares by the Shareholder by gift or
bequest or through inheritance to, or for the benefit of, any family member; (b)
any transfer of Shares by the Shareholder to a trust for the benefit of any
family member; (c) any sale or transfer of Shares to the Company pursuant to the
terms of a stock restriction or stock repurchase agreement (which provides for
such sale upon the Shareholder's termination of employment with the Company, if
applicable); (d) any sale or transfer of Shares to the Company or the Preferred
Holders pursuant to the provisions of Article I hereof; (e) any sale of Common
Stock in a public offering pursuant to a registration statement filed by the
Company with the Securities and Exchange Commission; (f) any pledge made
pursuant to a bona fide loan transaction that creates a mere security interest;
(g) any transfer of Shares by a Shareholder that is a partnership to its
partners; or (h) any transfer of Shares by a Shareholder that is a trust to a
successor trust or successor trustee. In the event of any transfer pursuant to
(a), (b), (g) or (h), the transferee of the Shares shall hold the Shares so
acquired with all the rights conferred by, and subject to all the restrictions
imposed by, this Agreement.

     2.5  Prohibited Transfers.
          --------------------

          (a)  In the event that the Shareholder should sell any Shares in
contravention of the co-sale rights of each Preferred Holder under this
Agreement (a "Prohibited Transfer"), each Preferred Holder, in addition to such
other remedies as may be available at law, in equity or hereunder, shall have
the put option provided below, and such Shareholder shall be bound by the
applicable provisions of such option.

                                      -4-
<PAGE>

          (b)  In the event of a Prohibited Transfer, each Preferred Holder
shall have the right to sell to such Shareholder the type and number of shares
of Common Stock equal to the number of shares each Preferred Holder would have
been entitled to transfer to the Buyer under Section 2.1 hereof had the
Prohibited Transfer been effected pursuant to and in compliance with the terms
hereof. Such sale shall be made on the following terms and conditions:

               (i)    The price per share at which the shares are to be sold to
the Shareholder shall be equal to the price per share paid by the Buyer to such
Shareholder in such Prohibited Transfer. The Shareholder shall also reimburse
each Preferred Holder for any and all fees and expenses, including legal fees
and expenses, incurred pursuant to the exercise or the attempted exercise of the
Preferred Holder's rights under this Article II.

               (ii)   Within ninety (90) days after the date on which a
Preferred Holder received notice of the Prohibited Transfer or otherwise became
aware of the Prohibited Transfer, such Preferred Holder shall, if exercising the
option created hereby, deliver to the Shareholder the certificate or
certificates representing the shares to be sold, each certificate to be properly
endorsed for transfer.

               (iii)  Such Shareholder shall, upon receipt of the certificate or
certificates for the shares to be sold by a Preferred Holder, pursuant to this
Section 2.5(b), pay the aggregate purchase price therefor and the amount of
reimbursable fees and expenses, as specified in Section 2.5(b)(i), in cash or by
other means acceptable to the Preferred Holder.

               (iv)   Notwithstanding the foregoing, any attempt by the
Shareholder to transfer Shares in violation of Article II hereof shall be
voidable at the option of a majority in interest of the Preferred Holders if the
Preferred Holders do not elect to exercise the put option set forth in this
Section 2.5, and the Company agrees it will not effect such a transfer nor will
it treat any alleged transferee as the holder of such shares without the written
consent of a majority in interest of the Preferred Holders.

                                  ARTICLE III

                  Right of First Refusal on Company Issuances
                  -------------------------------------------

     3.1  Grant of Right. Except as set forth in Article IV, the Company hereby
          --------------
grants to each Preferred Holder who continues to hold, respectively, shares of
Series A Preferred Stock purchased pursuant to the Series A Agreement, Series B
Preferred Stock purchased pursuant to the Series B Agreement, Series C Preferred
Stock purchased pursuant to the Series C Agreement and Series D Preferred Stock
purchased pursuant to the Series D Agreement (the "Preferred Shares"), the right
of first refusal to purchase all or any part of such Preferred Holder's Pro Rata
Share (as hereinafter defined) of the New Securities (as defined in Section 3.2)
which the Company may, from time to time, propose to sell and issue, with a
right of over-subscription (as provided in Section 3.3 below). The Preferred
Holders may purchase said New Securities on the same terms and at the same price
at which the Company proposes to sell the New Securities. The "Pro Rata Share"
of each Preferred

                                      -5-
<PAGE>

Holder, for purposes of this right of first refusal, is the ratio of the total
number of shares of Common Stock held by such Preferred Holder, including (i)
any shares of Common Stock into which shares of Preferred Stock held by such
Preferred Holder are convertible, and (ii) any shares deliverable upon the
exercise of options of other rights to purchase Common Stock held by such
Preferred Holder, to the total number of shares of Common Stock outstanding
immediately prior to the issuance of the New Securities (including (i) any
shares of Common Stock into which outstanding shares of Preferred Stock are
convertible and (ii) any shares deliverable upon the exercise of options or
other rights to purchase Common Stock).

     3.2  New Securities. "New Securities" shall mean any capital stock of the
          --------------
Company, whether now authorized or not, and any rights, options or warrants to
purchase said capital stock, and securities of any type whatsoever that are, or
may become, convertible into said capital stock; provided, however, that "New
                                                 --------  -------
Securities" does not include (i) the Preferred Shares or other securities issued
or issuable upon conversion of the Preferred Shares ("Conversion Shares"), (ii)
securities offered pursuant to a registration statement filed under the
Securities Act of 1933, as amended (the "Act"), (iii) securities issued pursuant
to the acquisition of another corporation by the Company by merger, purchase of
substantially all of the assets or other reorganization, (iv) shares offered
pursuant to lease financing transactions or bank or lending institution
financing transactions that are approved by the Board of Directors, (v)
securities issued in connection with any stock split, stock dividend or
recapitalization of the Company, (vi) all securities hereafter issued or
issuable to officers, directors, employees or consultants of the Company (for
the primary purpose of soliciting or retaining their employment or services)
pursuant to any employee or consultant stock offering, plan or arrangement
approved by the Board of Directors, (vii) securities issuable pursuant to
warrants outstanding as of January 7, 2000 (the "Warrant Shares") or securities
issued upon conversion of the Warrant Shares, and (viii) warrants for up to
675,000 shares to be issued to First Plaza Group Trust (or any designee thereof)
("First Plaza") upon the achievement of certain sales targets to General Motors
Corporation, or any affiliate thereof, as a result of the introduction by First
Plaza, and the shares issuable upon exercise thereof.

     3.3  Notice. In the event the Company proposes to undertake an issuance of
          ------
New Securities, it shall give to the Preferred Holders written notice (the
"Company Notice") of its intention, describing the type of New Securities,
number of shares, the price, the terms upon which the Company proposes to issue
the same, and notice to the effect that each Preferred Holder must respond to
such Company Notice within twenty (20) days after the date thereof. The
Preferred Holders shall have twenty (20) days from the date of such Company
Notice to purchase any or all of the New Securities for the price and upon the
terms specified in the Company Notice by giving written notice to the Company
and stating therein the quantity of New Securities to be purchased and
forwarding payment for such New Securities to the Company if immediate payment
is required by such terms, or in any event no later than forty-five (45) days
after the date of the Company Notice. The Company shall promptly, in writing,
inform each Preferred Holder which elects to purchase its Pro Rata Share of the
New Securities of any other Preferred Holder's failure to do so (the "Over-
subscription Notice"), in which case the Preferred Holders electing to purchase
their Pro Rata Share of the New Securities shall have the right to purchase
their Pro Rata Share of such shares (the "Over-subscription Right") and any
portion of the remainder of such shares which other Preferred Holders

                                      -6-
<PAGE>

have elected not to purchase pursuant to the exercise of their Over-subscription
Right, for the price and upon the terms specified in the Company Notice for a
period of thirty (30) days after the date of the Over-subscription Notice. If a
Preferred Holder elects not to exercise such right, then that portion of the
shares which is not purchased may be offered to third parties on terms no less
favorable to the Company for a period of one hundred twenty (120) days.

     3.4  Sale after Company Notice. In the event any Preferred Holder fails to
          -------------------------
exercise in full the right of first refusal within said twenty (20) day period,
the Company shall have ninety (90) days thereafter to sell or enter into an
agreement (pursuant to which the sale of New Securities covered thereby shall be
closed, if at all, within thirty (30) days from the date of said agreement) to
sell the New Securities respecting which such Preferred Holder's rights were not
exercised, at a price and upon general terms no more favorable to the Preferred
Holders thereof than specified in the Company Notice. In the event the Company
has not sold the New Securities within said ninety (90) day period (or sold and
issued New Securities in accordance with the foregoing within thirty (30) days
from the date of said agreement), the Company shall not thereafter issue or sell
any New Securities without first offering such securities to the Preferred
Holders in the manner provided above.

     3.5  Assignment. The right of first refusal granted under this Article III
          ----------
is assignable by the Preferred Holders to any transferee of a minimum of fifty
thousand (50,000) shares of Series A Preferred Stock, fifty thousand (50,000)
shares of Series B Preferred Stock, fifty thousand (50,000) shares of Series C
Preferred Stock, or fifty thousand (50,000) shares of Series D Preferred Stock
(in each case as adjusted for any stock split, stock dividends, combinations,
recapitalizations and the like with respect to such shares), as applicable, or
the Common Stock into which each such series of Preferred Stock has been
converted. For the purposes of satisfying the 50,000 share threshold herein, the
number of shares of the Common Stock issuable upon conversion of applicable
series of Preferred Stock owned by the Preferred Holders shall include the
holdings of partners, subsidiaries, parents, shareholders or affiliates of the
Preferred Holders (or any entities which have the same parent corporation as the
Preferred Holders) and such holdings shall be aggregated together and with the
holdings of the Preferred Holders with respect to the applicable series of
Preferred Stock.

                                  ARTICLE IV

                             Termination of Rights
                             ---------------------

     The Right of First Refusal on Shareholder Transfer, Co-Sale Right, Right of
First Refusal on Company Issuances, the right to designate members of the Board
of Directors, Compensation Committee and Audit Committee and the right to direct
the voting of the shares beneficially owned by the Founder created under
Articles I, II, III, VII and VIII of this Agreement, respectively, shall expire
upon (i) the closing of the first public offering of the Common Stock of the
Company to the general public which is effected pursuant to a registration
statement filed with, and declared effective by, the Securities and Exchange
Commission under the Securities Act of 1933, as amended; (ii) upon the closing
of a transaction or series of related transactions (including, without
limitation, any reorganization, merger or consolidation) which  results in (a)
the holders of the

                                      -7-
<PAGE>

outstanding voting equity securities of the Company immediately prior to such
transaction or series of related transactions holding securities representing
less than 50% of the voting power of the surviving entity immediately following
such transaction or series of related transactions or (b) the sale or
disposition by the Company of all or substantially all the Company's assets; or
(iii) with respect to the Right of First Refusal on Shareholder Transfer, the
date on which less than 50% of the Preferred Stock of the Company initially
issued remains outstanding (as adjusted for any stock split, stock dividends,
combinations, recapitalizations and the like with respect to the shares).

                                   ARTICLE V

                             Specific Performance
                             --------------------

     The rights of the parties under this Agreement are unique and, accordingly,
the parties shall, in addition to such other remedies as may be available to any
of them at law or in equity, have the right to enforce their rights hereunder by
actions for specific performance to the extent permitted by law.

                                  ARTICLE VI

                                    Legends
                                    -------

     The certificates representing the Shares shall bear a legend indicating the
existence of the restrictions imposed by Article I, II, III, VII and VIII of
this Agreement.  Nothing in this Agreement should be construed as a modification
or amendment of any restrictions on transfer under applicable federal or state
securities laws.

                                  ARTICLE VII

                              Board of Directors
                              ------------------

     7.1  Board of Directors. As soon as practicable after the Closing, the
Board of Directors of the Company shall be comprised of seven members. The
Purchasers and the Shareholders agree to cause to be elected to the Company's
Board of Directors (i) one representative elected by the holders of Series A
Preferred Stock, (ii) one representative elected by the holders of Series B
Preferred Stock (who shall be a representative of Battery Ventures L.P.), (iii)
two representatives elected by the holders of the Series C Preferred Stock (one
of whom shall be a representative of the Technology Crossover Ventures entities,
and one of whom shall be a representative of Boston Millennia Partners Limited
Partnership), (iv) two representatives elected by the holders of Common Stock of
the Company (one of whom shall be Ashok Santhanam and the other shall be
reasonably approved by the holders of the Series C Preferred Stock), and (v) the
Chief Executive Officer of the Company. In addition, the Board of Directors of
the Company shall elect Ashok Santhanam as Chairman of the Board to serve in
that capacity as long as he is a director of the Company. If any Preferred
Holder named in clause (ii) or (iii) above elects not to designate a
representative to the Board, such Preferred Holder shall have the right to
appoint an observer who shall be entitled to

                                      -8-
<PAGE>

attend all meetings of the Board and to consult with management. The Company
shall pay the reasonable out-of-pocket expenses of non-employee members of the
Company's Board of Directors in connection with attending Board of Directors
meetings and will pay the reasonable out-of-pocket expenses of Board observers
in connection with attending Board of Directors meetings, in accordance with the
Company's standard travel policy.

     7.2  Compensation Committee. The Company shall use its best efforts and the
          ----------------------
Purchasers and Shareholders agree to cause the Board of Directors of the Company
to appoint and maintain a Compensation Committee, which shall contain no more
than three persons, one of whom shall be a representative of Boston Millennia
Partners Limited Partnership, one of whom shall be a representative of Battery
Ventures, and one of whom shall be Ashok Santhanam. The Compensation Committee
shall administer the Company's stock option plans and make recommendations to
the Board of Directors with respect to management compensation and terms of
employment. The Board of Directors of the Company shall have the power to accept
or reject any recommendation of the Compensation Committee, but shall not
approve an employee's compensation in amounts which differ from the amounts
recommended by the Compensation Committee.

     7.3  Audit Committee. The Company shall use its best efforts and the
          ---------------
Purchasers and Shareholders agree to cause the Board of Directors to appoint and
maintain an Audit Committee, which shall include at least one representative of
the Purchasers.

                                 ARTICLE VIII

                                Reorganizations
                                ---------------

          The Shareholders hereby agree that at any meeting of the shareholders
of the Company, however called, and in any written action by consent of
shareholders of the Company, the Shareholders shall vote all shares of stock of
the Company entitled to vote held by the Shareholder as directed by the holders
of a majority of the outstanding shares of Common Stock and Common Stock
issuable upon conversion of Preferred Stock then held by the Shareholders in
connection with any reorganization of the Company pursuant to Section 1200 et.
seq. of the California Corporations Code; provided, however, that this Article
VIII shall not affect any  rights granted to the Preferred Holders or the
Purchasers pursuant to Sections 6(a) and 6(c) of the Company's Amended and
Restated Articles of Incorporation. The Shareholders shall not enter into any
agreement or understanding with any person or entity to vote or give
instructions in any manner inconsistent with the preceding sentence.  In the
event any Shareholder fails to vote in accordance herewith, such Shareholders
shall be deemed to have irrevocably appointed such person or persons as may be
designated by the Board of Directors of the Company as proxy to vote such
Shareholder's stock in accordance herewith.

                                      -9-
<PAGE>

                                  ARTICLE IX

                              General Provisions
                              ------------------

     9.1  Governing Law. This Agreement shall be governed by the laws of the
          -------------
State of California without regard to choice of law provisions.

     9.2  Entire Agreement. This Agreement constitutes the entire agreement
          ----------------
between the parties with respect to the subject matter hereof and supersedes all
prior oral or written agreements and understandings between them or any of them
as to such subject matter.

     9.3  Amendment. Except as otherwise expressly provided herein, this
          ---------
Agreement, other than Article VII herein, may be amended only upon the written
consent of the majority of the shares beneficially owned or deemed to be
beneficially owned by the Founder, the majority-in-interest of the Preferred
Holders, the majority-in-interest of the Common Holders, and the Company;
provided, however, that Article VII herein may be amended only upon the written
consent of 2/3 of (i) the shares then beneficially owned or deemed to be
beneficially owned by the Founder and the shares then owned by the Common
Holders, (ii) the shares then owned by the Series A Holders (iii) the shares
then owned by the Series B Holders, (iv) the shares then owned by the Series C
Holders and (v) the shares then owned by the Purchasers, with each voting as a
separate class.

     9.4  Successors. This Agreement shall be binding upon and shall inure to
          ----------
the benefit of the parties hereto and their respective heirs, executors, legal
representatives, successors, and permitted transferees, except as may be
expressly provided otherwise herein.

     9.5  Invalidity of Provisions. In the case any one or more of the
          ------------------------
provisions contained in this Agreement shall for any reason be held to be
invalid, illegal or unenforceable in any respect, such invalidity, illegality or
unenforceability shall not affect any other provision of this Agreement and such
invalid, illegal and unenforceable provision shall be reformed and construed so
that it will be valid, legal, and enforceable to the maximum extent permitted by
law.

     9.6  Notice. Any notice, demand or request required or permitted to be
          ------
given by either the Company or the Shareholders pursuant to the terms of this
Agreement shall be in writing and shall be deemed given when delivered
personally or deposited in the U.S. mail, First Class with postage prepaid, and
addressed to the parties at the addresses of the parties set forth on the
Exhibits to this Agreement or such other address as a party may request by
notifying the other in writing.

     9.7  No Waiver. Any party's failure to enforce any provision or provisions
          ---------
of this Agreement shall not in any way be construed as a waiver of any such
provision or provisions, nor prevent that party thereafter from enforcing each
and every other provision of this Agreement. The rights granted to the parties
herein are cumulative and shall not constitute a waiver of any party's right to
assert all other legal remedies available to it under the circumstances.

     9.8  Cooperation. The parties agree upon request to execute any further
          -----------
documents or instruments necessary or desirable to carry out the purposes or
intent of this Agreement.

                                      -10-
<PAGE>

     9.9   Addition of Parties. The Company agrees that until the termination of
           -------------------
this Agreement, it will cause each of the key employees of the Company who holds
at least 100,000 shares of the capital stock of the Company (on an as-converted
basis and as adjusted for any stock split, stock dividends, combinations,
recapitalizations and the like with respect to such shares), to enter into this
Agreement and thereby to be bound by the terms hereof, all by execution of an
Instrument of Accession in the form attached as Exhibit E hereto. Any such
person so entering into this Agreement shall be deemed to be a Shareholder for
purposes of this Agreement.

     9.10  Counterparts. This Agreement may be executed in any number of
           ------------
counterparts, each of which shall be enforceable against the parties actually
executing such counterparts, and all of which together shall constitute one
instrument.

                     <This space intentionally left blank>

                                      -11-
<PAGE>

     The foregoing agreement is hereby executed as of the date first above
written.

"COMPANY"                           INVENTA CORPORATION
                                    a California corporation

                                    By: /s/ David A. Lavanty, President
                                       ------------------------------------
                                       David A. Lavanty, President
<PAGE>

"FOUNDER"                           Ashok K. Santhanam and Revathi Santhanam,
                                    Trustees of the Santhanam Family Trust U/D/T
                                    dated May 23, 1997

                                    By:
                                       ____________________________________
                                       Ashok K. Santhanam, Trustee

                                    _______________________________________
                                    Revathi Santhanam

                                    Sujatha Ramkumar, Trustee of the Amarnath
                                    Santhanam 1997 Trust UTA dated May 23, 1997

                                    By:
                                       ____________________________________
                                       Sujatha Ramkumar, Trustee

                                    Sujatha Ramkumar, Trustee of the Rishikesh
                                    Santhanam 1997 Trust UTA dated May 23, 1997

                                    By:
                                       ____________________________________
                                       Sujatha Ramkumar, Trustee

                                      -13-
<PAGE>

"PURCHASERS"

                                    BANCBOSTON VENTURES INC.

                                    By: /s/ Maia D. Heymann
                                       ------------------------------------
                                    Name:  Maia D. Heymann
                                    Title:  Director

                                    PRIVATE EQUITY PORTFOLIO FUND II, LLC

                                    By: /s/ Glen Holland
                                       ------------------------------------
                                    Name:  Glen Holland
                                    Title:  Vice President

                                    BATTERY VENTURES III, L.P.
                                    By:  Battery Partners III, L.P.

                                    By: /s/ Todd Dagres
                                       ------------------------------------
                                    Title: Todd Dagres, General Partner

                                    BOSTON MILLENNIA PARTNERS LIMITED
                                    PARTNERSHIP
                                    By:  Glen Partners Limited Partnership
                                        Its General Partner

                                    By: /s/ Martin J.
                                       ------------------------------------
                                          General Partner

                                    /s/ Robert Ducommun
                                    ---------------------------------------
                                    Robert Ducommun

                                      -14-
<PAGE>

                                    PALMER G. AND CHARLES E. DUCOMMUN CHARITABLE
                                    ANNUITY TRUST U/D/T

                                    By: /s/ Robert Ducommun
                                       ------------------------------------
                                          Robert Ducommun, Trustee

                                    ESSEX PRIVATE PLACEMENT FUND II, LIMITED
                                    PARTNERSHIP
                                    By:  Essex Investment Mgt. Company LLC
                                        Its General Partner

                                    By: /s/ [ILLEGIBLE]^^
                                       ------------------------------------
                                    Title: Principal
                                          ---------------------------------

                                    THE CHASE MANHATTAN BANK, AS TRUSTEE FOR
                                    FIRST PLAZA GROUP TRUST

                                    By: /s/ John F. Weeda
                                       ------------------------------------
                                    Title: Vice President
                                          ---------------------------------

                                    TCV II (Q), L.P.
                                    a Delaware Limited Partnership
                                    By:  Technology Crossover Management II,
                                    L.L.C.,
                                    Its:  General Partner

                                    By: /s/ Robert C. Bensky
                                       ------------------------------------
                                       Name: Robert C. Bensky
                                       Title: Chief Financial Officer

                                      -15-
<PAGE>

                                    TCV II Strategic Partners, L.P.
                                    a Delaware Limited Partnership
                                    By:  Technology Crossover Management II,
                                    L.L.C.,
                                    Its:  General Partner

                                    By:  /s/ Robert C. Bensky
                                       ------------------------------------
                                       Name: Robert C. Bensky
                                       Title: Chief Financial Officer

                                    TCV II, V.O.F.
                                    a Netherlands Antilles General Partnership
                                    By:  Technology Crossover Management II,
                                    L.L.C.,
                                    Its:  Investment General Partner

                                    By: /s/ Robert C. Bensky
                                       ------------------------------------
                                       Name: Robert C. Bensky
                                       Title: Chief Financial Officer

                                    Technology Crossover Ventures II, C.V.
                                    a Netherlands Antilles Limited Partnership
                                    By:  Technology Crossover Management II,
                                    L.L.C.,
                                    Its:  Investment General Partner

                                    By: /s/ Robert C. Bensky
                                       ------------------------------------
                                       Name: Robert C. Bensky
                                       Title: Chief Financial Officer

                                    Technology Crossover Ventures II, L.P.
                                    a Delaware Limited Partnership
                                    By:  Technology Crossover Management II,
                                    L.L.C.,
                                    Its:  General Partner

                                    By: /s/ Robert C. Bensky
                                       ------------------------------------
                                       Name: Robert C. Bensky
                                       Title: Chief Financial Officer

                                      -16-
<PAGE>

"OTHER SHAREHOLDERS"

                                    BATTERY VENTURES III, L.P.
                                    By:  Battery Partners III, L.P.

                                    By: /s/ Todd Dagres
                                       ------------------------------------
                                    Name: Todd Dagres
                                    Title: General Partner

                                    BATTERY VENTURES L.P.

                                    By: /s/ Todd Dagres
                                       ------------------------------------
                                    Name: Todd Dagres
                                    Title: General Partner

                                    BOSTON MILLENNIA PARTNERS LIMITED
                                    PARTNERSHIP
                                    By: Martin L. Hermon, General Partner

                                    BOSTON MILLENNIA PARTNERS LIMITED
                                    PARTNERSHIP
                                    By:   Glen Partners Limited Partnership,
                                       its General Partner

                                    By: /s/ Martin L. Hermon
                                       ------------------------------------
                                       General Partner

                                    _______________________________________
                                    Stephen T. Barry

                                    _______________________________________
                                    A. Dana Callow, Jr.

                                    _______________________________________
                                    Harry A. Caunter

                                    _______________________________________
                                    Electra D. DePeyster

                                      -17-
<PAGE>

                                    _______________________________________
                                    Christian Dubiel

                                    /s/ Robert Ducommun
                                    ---------------------------------------
                                    Robert Ducommun

                                    Palmer G. and Charles E. Ducommun
                                    Charitable Annuity Trust, u/d/t

                                    By: /s/ Robert Ducommun
                                       ------------------------------------
                                       Robert Ducommun, Trustee

                                    _______________________________________
                                    Maya S. Hattangady

                                    _______________________________________
                                    Martin J. Hernon

                                    _______________________________________
                                    Ebenezer James

                                    _______________________________________
                                    Robert W. Jevon

                                    _______________________________________
                                    Ashwin Kedia

                                    _______________________________________
                                    B. Nagaraja Kini

                                    _______________________________________
                                    Muralidharam Manickam

                                    _______________________________________
                                    Srikantan Moorthy

                                      -18-
<PAGE>

                                    _______________________________________
                                    Siby Nidhiry

                                    _______________________________________
                                    Frank P. Pinto

                                    _______________________________________
                                    Janice Porter

                                    _______________________________________
                                    Andrew Potter

                                    _______________________________________
                                    Suresh Shanmugham

                                    _______________________________________
                                    Santhanam C. Shekar

                                    _______________________________________
                                    Ramesh Sivakaminathan

                                    TCV II (Q), L.P.
                                    a Delaware Limited Partnership
                                    By:  Technology Crossover Management II,
                                    L.L.C.,
                                    Its:  General Partner

                                    By: /s/ Robert C. Bensky
                                       ------------------------------------
                                       Name: Robert C. Bensky
                                       Title: Chief Financial Officer

                                      -19-
<PAGE>

                                    TCV II Strategic Partners, L.P.
                                    a Delaware Limited Partnership
                                    By:  Technology Crossover Management II,
                                    L.L.C.,
                                    Its:  General Partner

                                    By: /s/ Robert C. Bensky
                                       ------------------------------------
                                       Name: Robert C. Bensky
                                       Title: Chief Financial Officer

                                    TCV II, V.O.F.
                                    a Netherlands Antilles General Partnership
                                    By:  Technology Crossover Management II,
                                    L.L.C.,
                                    Its:  Investment General Partner

                                    By: /s/ Robert C. Bensky
                                       ------------------------------------
                                       Name: Robert C. Bensky
                                       Title: Chief Financial Officer

                                    Technology Crossover Ventures II, C.V.
                                    a Netherlands Antilles Limited Partnership
                                    By:  Technology Crossover Management II,
                                    L.L.C.,
                                    Its:  Investment General Partner

                                    By: /s/ Robert C. Bensky
                                       ------------------------------------
                                       Name: Robert C. Bensky
                                       Title: Chief Financial Officer

                                    Technology Crossover Ventures II, L.P.
                                    a Delaware Limited Partnership
                                    By:  Technology Crossover Management II,
                                    L.L.C.,
                                    Its:  General Partner

                                    By: /s/ Robert C. Bensky
                                       ------------------------------------
                                       Name: Robert C. Bensky
                                       Title: Chief Financial Officer

                                      -20-

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