Document:

<PAGE>   1
                                                                    EXHIBIT 10.9

         THESE SECURITIES HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF
         1933 AS AMENDED, OR ANY STATE SECURITIES LAWS. THEY MAY NOT BE SOLD,
         OFFERED FOR SALE, PLEDGED, OR HYPOTHECATED IN THE ABSENCE OF AN
         EFFECTIVE REGISTRATION STATEMENT RELATED THERETO OR AN OPINION OF
         COUNSEL (WHICH MAY BE COMPANY COUNSEL) REASONABLY SATISFACTORY TO THE
         COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED UNDER THE SECURITIES ACT
         OF 1933, AS AMENDED, OR ANY APPLICABLE STATE SECURITIES LAWS.

                                WARRANT AGREEMENT

              To Purchase Shares of the Series B Preferred Stock of

                           ReQuisite Technology, Inc.

               Dated as of October 9, 1996 (the "Effective Date")

         WHEREAS, ReQuisite Technology, Inc., a Delaware corporation (the
"Company") has entered into a Master Lease Agreement dated as of October 9,
1996, Equipment Schedule No. VL-1 dated as of October 9, 1996 and related
Summary Equipment Schedules (collectively, the "Leases") with Comdisco, Inc., a
Delaware corporation (the "Warrantholder"); and

         WHEREAS, the Company desires to grant to Warrantholder, in
consideration for such Leases, the right to purchase shares of its Series B
Preferred Stock;

         NOW, THEREFORE, in consideration of the Warrantholder executing and
delivering such Leases and in consideration of mutual covenants and agreements
contained herein, the Company and Warrantholder agree as follows:

1.       GRANT OF THE RIGHT TO PURCHASE PREFERRED STOCK.

         The Company hereby grants to the Warrantholder, and the Warrantholder
is entitled, upon the terns and subject to the conditions hereinafter set forth,
to subscribe to and purchase, from the Company, 13,750 fully paid and
non-assessable shares of the Company's Series B Preferred Stock ("Preferred
Stock") at a purchase price of $1.81 per share (the "Exercise Price"). The
number and purchase price of such shares are subject to adjustment as provided
in Section 8 hereof.

2.       TERM OF THE WARRANT AGREEMENT.

         Except as otherwise provided for herein, the term of this Warrant
Agreement and the right to purchase Preferred Stock as granted herein shall
commence on the Effective Date and should be exercisable for a period of (i) ten
(10) years or (ii) five (5) years from the effective date of the Company's
initial public offering, whichever is longer.

3.       EXERCISE OF THE PURCHASE RIGHTS.

         The purchase rights set forth in this Warrant Agreement are exercisable
by the Warrantholder, in whole or in part, at any time, or from time to time,
prior to the expiration of the term set forth in Section 2 above, by tendering
to the Company at its principal office a notice of exercise in the form attached
hereto as Exhibit I (the "Notice of Exercise"), duly completed and executed.
Promptly upon receipt of the Notice of Exercise and the payment of the purchase
price in accordance with the terms set forth below, and in no event later than
twenty-one (21) days thereafter, the Company shall issue to the Warrantholder a
certificate for the number of shares of

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<PAGE>   2

Preferred Stock purchased and shall execute the acknowledgment of exercise in
the form attached hereto as Exhibit II (the "Acknowledgment of Exercise")
indicating the number of shares which remain subject to future purchases, if
any.

         The Exercise Price may be paid at the Warrantholder's election either
(i) by cash or check, or (ii) by surrender of Warrants ("Net Issuance") as
determined below. If the Warrantholder elects the Net Issuance method, the
Company will issue Preferred Stock in accordance with the following formula:

              X = Y(A-B)
                  -----
                    A

Where:  X =       the number of shares of Preferred Stock to be issued to the
                  Warrantholder.

                  Y = the number of shares of Preferred Stock requested to
                      be exercised under this Warrant Agreement.

                  A = the fair market value of one (1) share of Preferred Stock.

                  B = the Exercise Price.

         For purposes of the above calculation, current fair market value of
Preferred Stock shall mean with respect to each share of Preferred Stock:

         (i) if the exercise is in connection with an initial public offering of
         the Company's Common Stock, and if the Company's Registration Statement
         relating to such public offering has been declared effective by the
         SEC, then the fair market value per share shall be the product of (x)
         the initial "Price to Public" specified in the final prospectus with
         respect to the offering and (y) the number of shares of Common Stock
         into which each share of Preferred Stock is convertible at the time of
         such exercise;

         (ii) if this Warrant is exercised after, and not in connection with the
         Company's initial public offering, and:

                  (a) if traded on a securities exchange, the fair market value
                  shall be deemed to be the product of (x) the average of the
                  closing prices over a twenty-one (21) day period ending three
                  days before the day the current fair market value of the
                  securities is being determined and (y) the number of shares of
                  Common Stock into which each share of Preferred Stock is
                  convertible at the time of such exercise; or

                  (b) if actively traded over-the-counter, the fair market value
                  shall be deemed to be the product of (x) the average of the
                  closing bid and asked prices quoted on the NASDAQ system (or
                  similar system) over the twenty-one (21) day period ending
                  three days before the day the current fair market value of the
                  securities is being determined and (y) the number of shares of
                  Common Stock into which each share of Preferred Stock is
                  convertible at the time of such exercise;

         (iii) if at any time the Common Stock is not listed on any securities
         exchange or quoted in the NASDAQ System or the over-the-counter market,
         the current fair market value of Preferred Stock shall be the product
         of (x) the highest price per share which the Company could obtain from
         a willing buyer (not a current employee or director) for shares of
         Common Stock sold by the Company, from authorized but unissued shares,
         as determined in good faith by its Board of Directors and (y) the
         number of shares of Common Stock into which each share of Preferred
         Stock is convertible at the time of such exercise, unless the Company
         shall become subject to a merger, acquisition or other consolidation
         pursuant to which the Company is not the surviving party, in which case
         the fair market value of Preferred Stock shall be deemed to be the
         value received by the holders of the Company's Preferred Stock on a
         common equivalent basis pursuant to such merger or acquisition.

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<PAGE>   3

         Upon partial exercise by either cash or Net Issuance, the Company shall
promptly issue an amended Warrant Agreement representing the remaining number of
shares purchasable hereunder. All other terms and conditions of such amended
Warrant Agreement shall be identical to those contained herein, including, but
not limited to the Effective Date hereof.

4.       RESERVATION OF SHARES.

         (a) Authorization and Reservation of Shares. During the term of this
Warrant Agreement, the Company will at all times have authorized and reserved a
sufficient number of shares of its Preferred Stock to provide for the exercise
of the rights to purchase Preferred Stock as provided for herein.

         (b) Registration or Listing. If any shares of Preferred Stock required
to be reserved hereunder require registration with or approval of any
governmental authority under any Federal or State law (other than any
registration under the Securities Act of 1933, as amended ("1933 Act"), as then
in effect, or any similar Federal statute then enforced, or any state securities
law, required by reason of any transfer involved in such conversion), or listing
on any domestic securities exchange, before such shares may be issued upon
conversion, the Company will, at its expense and as expeditiously as possible,
use its best efforts to cause such shares to be duly registered, listed or
approved for listing on such domestic securities exchange, as the case may be.

5.       NO FRACTIONAL SHARES OR SCRIP.

         No fractional shares or scrip representing fractional shares shall be
issued upon the exercise of the Warrant, but in lieu of such fractional shares
the Company shall make a cash payment therefor upon the basis of the Exercise
Price then in effect.

6.       NO RIGHTS AS SHAREHOLDER.

         This Warrant Agreement does not entitle the Warrantholder to any voting
rights or other rights as a shareholder of the Company prior to the exercise of
the Warrant.

7.       WARRANTHOLDER REGISTRY.

         The Company shall maintain a registry showing the name and address of
the registered holder of this Warrant Agreement.

8.       ADJUSTMENT RIGHTS.

         The purchase price per share and the number of shares of Preferred
Stock purchasable hereunder are subject to adjustment as follows:

         (a) Merger and Sale of Assets. If at any time there shall be a capital
reorganization of the shares of the Company's stock (other than a combination,
reclassification, exchange or subdivision of shares otherwise provided for
herein), or a merger or consolidation of the Company with or into another
corporation whether or not the Company is the surviving corporation, or the sale
of all or substantially all of the Company's properties and assets to any other
person (hereinafter referred to as a "Merger Event"), then, as a part of such
Merger Event, lawful provision shall be made so that the Warrantholder shall
thereafter be entitled to receive, upon exercise of the Warrant, the number of
shares of preferred stock or other securities of the successor corporation
resulting from such Merger Event, equivalent in value to that which would have
been issuable if Warrantholder had exercised this Warrant immediately prior to
the Merger Event. In any such case, appropriate adjustment (as determined in
good faith by the Company's Board of Directors) shall be made in the application
of the provisions of this Warrant Agreement with respect to the rights and
interest of the Warrantholder after the Merger Event to the end that the
provisions of this Warrant Agreement (including adjustments of the Exercise
Price and number of shares of Preferred Stock purchasable) shall be applicable
to the greatest extent possible.

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<PAGE>   4

         (b) Reclassification of Shares. If the Company at any time shall, by
combination, reclassification, exchange or subdivision of securities or
otherwise, change any of the securities as to which purchase rights under this
Warrant Agreement exist into the same or a different number of securities of any
other class or classes, this Warrant Agreement shall thereafter represent the
right to acquire such number and kind of securities as would have been issuable
as the result of such change with respect to the securities which were subject
to the purchase rights under this Warrant Agreement immediately prior to such
combination, reclassification, exchange, subdivision or other change.

         (c) Subdivision or Combination of Shares. If the Company at any time
shall combine or subdivide its Preferred Stock, the Exercise Price shall be
proportionately decreased in the case of a subdivision, or proportionately
increased in the case of a combination.

         (d) Stock Dividends. If the Company at any time shall pay a dividend
payable in, or make any other distribution (except any distribution specifically
provided for in the foregoing subsections (a) or (b)) of the Company's stock,
then the Exercise Price shall be adjusted, from and after the record date of
such dividend or distribution, to that price determined by multiplying the
Exercise Price in effect immediately prior to such record date by a fraction (i)
the numerator of which shall be the total number of all shares of the Company's
stock outstanding immediately prior to such dividend or distribution, and (ii)
the denominator of which shall be the total number of all shares of the
Company's stock outstanding immediately after such dividend or distribution. The
Warrantholder shall thereafter be entitled to purchase, at the Exercise Price
resulting from such adjustment, the number of shares of Preferred Stock
(calculated to the nearest whole share) obtained by multiplying the Exercise
Price in effect immediately prior to such adjustment by the number of shares of
Preferred Stock issuable upon the exercise hereof immediately prior to such
adjustment and dividing the product thereof by the Exercise Price resulting from
such adjustment.

         (e) Right to Purchase Additional Stock. If, the Warrantholder's total
cost of equipment leased pursuant to the Leases exceeds $350,000, Warrantholder
shall have the right to purchase from the Company, at the Exercise Price
(adjusted as set forth herein), an additional number of shares, which number
shall be determined by (i) multiplying the amount by which the Warrantholder's
total equipment cost exceeds $350,000 by 7.11%, and (ii) dividing the product
thereof by the Exercise Price per share referenced above.

         (f) Notice of Adjustments. If: (i) the Company shall declare any
dividend or distribution upon its stock, whether in cash, property, stock or
other securities; (ii) the Company shall offer for subscription prorata to the
holders of any class of its Preferred or other convertible stock any additional
shares of stock of any class or other rights; (iii) there shall be any Merger
Event; (iv) there shall be an initial public offering; or (v) there shall be any
voluntary dissolution, liquidation or winding up of the Company; then, in
connection with each such event the Company shall send to the Warrantholder: (A)
at least twenty (20) days' prior written notice of the date on which the books
of the Company shall close or a record shall be taken for such dividend,
distribution, subscription rights (specifying the date on which the holders of
Preferred Stock shall be entitled thereto) or for determining rights to vote in
respect of such Merger Event, dissolution, liquidation or winding up; (B) in the
case of any such Merger Event, dissolution, liquidation or winding up, at least
twenty (20) days' prior written notice of the date when the same shall take
place (and specifying the date on which the holders of Preferred Stock shall be
entitled to exchange their Preferred Stock for securities or other property
deliverable upon such Merger Event, dissolution, liquidation or winding up); and
(C) in the case of a public offering, the Company shall give the Warrantholder
at least twenty (20) days written notice prior to the effective date thereof.

         Each such written notice shall set forth, in reasonable detail, (i) the
event requiring the adjustment, (ii) the amount of the adjustment, (iii) the
method by which such adjustment was calculated, (iv) the Exercise Price, and (v)
the number of shares subject to purchase hereunder after giving effect to such
adjustment, and shall be given by first class mail, postage prepaid, addressed
to the Warrantholder, at the address as shown on the books of the Company.

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<PAGE>   5

         (g) Timely Notice. Failure to timely provide such notice required by
subsection (f) above shall entitle Warrantholder to retain the benefit of the
applicable notice period notwithstanding anything to the contrary contained in
any insufficient notice received by Warrantholder. The notice period shall begin
on the date Warrantholder actually receives a written notice containing all the
information specified above.

9.       REPRESENTATIONS, WARRANTIES AND COVENANTS OF THE COMPANY.

         (a) Reservation of Preferred Stock. The Preferred Stock issuable upon
exercise of the Warrantholder's rights has been du]y and validly reserved and,
when issued in accordance with the provisions of this Warrant Agreement, will be
validly issued, fully paid and non-assessable, and will be free of any taxes,
liens, charges or encumbrances of any nature whatsoever; provided, however, that
the Preferred Stock issuable pursuant to this Warrant Agreement may be subject
to restrictions on transfer under state and/or Federal securities laws. The
Company has made available to the Warrantholder true, correct and complete
copies of its Charter and Bylaws, as amended. The issuance of certificates for
shares of Preferred Stock upon exercise of the Warrant Agreement shall be made
without charge to the Warrantholder for any issuance tax in respect thereof, or
other cost incurred by the Company in connection with such exercise and the
related issuance of shares of Preferred Stock. The Company shall not be required
to pay any tax which may be payable in respect of any transfer involved and the
issuance and delivery of any certificate in a name other than that of the
Warrantholder.

         (b) Due Authority. The execution and delivery by the Company of this
Warrant Agreement and the performance of all obligations of the Company
hereunder, including the issuance to Warrantholder of the right to acquire the
shares of Preferred Stock, have been duly authorized by all necessary corporate
action on the part of the Company, and the Leases and this Warrant Agreement are
not inconsistent with the Company's Charter or Bylaws, do not contravene any law
or governmental rule, regulation or order applicable to it, do not and will not
contravene any provision of, or constitute a default under, any indenture,
mortgage, contract or other instrument to which it is a party or by which it is
bound, and the Leases and this Warrant Agreement constitute legal, valid and
binding agreements of the Company, enforceable in accordance with their
respective terms.

         (c) Consents and Approvals. No consent or approval of, giving of notice
to, registration with, or taking of any other action in respect of any state,
Federal or other governmental authority or agency is required with respect to
the execution, delivery and performance by the Company of its obligations under
this Warrant Agreement, except for the filing of notices pursuant to Regulation
D under the 1933 Act and any filing required by applicable state securities law,
which filings will be effective by the time required thereby.

         (d) Issued Securities. All issued and outstanding shares of Common
Stock, Preferred Stock or any other securities of the Company have been duly
authorized and validly issued and are fully paid and nonassessable. All
outstanding shares of Common Stock, Preferred Stock and any other securities
were issued in full compliance with all Federal and state securities laws. In
addition:

         (i) The authorized capital of the Company consists of (A) 10,000,000
shares of Common Stock, of which 1,798,347 shares are issued and outstanding,
and (B) 2,746,259 shares of preferred stock, of which 2,203,442 shares are
issued and outstanding and are convertible into 2,203,442 shares of Common Stock
at $1.81 per share.

         (ii) The Company has reserved (A) 165,000 shares of Common Stock for
issuance under its Nonqualified Stock Option Plan, under which 165,000 options
are outstanding at an average price of $0.18 per share, and (B) 960,000 shares
of Common Stock for issuance under its Incentive Stock Option Plan, under which
441,500 options are outstanding at an average price of $0.18 per share. There
are no other options, warrants, conversion privileges or other rights presently
outstanding to purchase or otherwise acquire any authorized but unissued shares
of the Company's capital stock or other securities of the Company.

         (iii) In accordance with the Company's Articles of Incorporation, no
shareholder of the Company has preemptive rights to purchase new issuances of
the Company's capital stock.

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         (e) Insurance. The Company has in full force and effect insurance
policies, with extended coverage, insuring the Company and its property, and
business against such losses and risks, and in such amounts, as are customary
for corporations engaged in a similar business and similarly situated and as
otherwise may be required pursuant to the terms of any other contract or
agreement.

         (f) Other Commitments to Register Securities. Except as provided in the
Investors Rights Agreement dated July 18, 1996 the Company is not, pursuant to
the terms of any other agreement currently in existence, under any obligation to
register under the 1933 Act any of its presently outstanding securities or any
of its securities which may hereafter be issued.

         (g) Exempt Transaction. Subject to the accuracy of the Warrantholder's
representations in Section 10 hereof, the issuance of the Preferred Stock upon
exercise of this Warrant will constitute a transaction exempt from (i) the
registration requirements of Section 5 of the 1933 Act, in reliance upon Section
4(2) thereof, and (ii) the qualification requirements of the applicable state
securities laws.

         (h) Compliance with Rule 144. At the written request of the
Warrantholder, who proposes to sell Preferred Stock issuable upon the exercise
of the Warrant in compliance with Rule 144 promulgated by the Securities and
Exchange Commission, the Company shall furnish to the Warrantholder, within ten
days after receipt of such request, a written statement confirming the Company's
compliance with the filing requirements of the Securities and Exchange
Commission as set forth in such Rule, as such Rule may be amended from time to
time.

10.      REPRESENTATIONS AND COVENANTS OF THE WARRANTHOLDER.

         This Warrant Agreement has been entered into by the Company in reliance
upon the following representations and covenants of the Warrantholder:

         (a) Investment Purpose. The right to acquire Preferred Stock or the
Preferred Stock issuable upon exercise of the Warrantholder's rights contained
herein will be acquired for investment and not with a view to the sale or
distribution of any part thereof, and the Warrantholder has no present intention
of selling or engaging in any public distribution of the same except pursuant to
a registration or exemption.

         (b) Private Issue. The Warrantholder understands (i) that the Preferred
Stock issuable upon exercise of this Warrant is not registered under the 1933
Act or qualified under applicable state securities laws on the ground that the
issuance contemplated by this Warrant Agreement will be exempt from the
registration and qualifications requirements thereof, and (ii) that the
Company's reliance on such exemption is predicated on the representations set
forth in this Section 10.

         (c) Disposition of Warrantholder's Rights. In no event will the
Warrantholder make a disposition of any of its rights to acquire Preferred Stock
or Preferred Stock issuable upon exercise of such rights unless and until (i) it
shall have notified the Company of the proposed disposition, and (ii) if
requested by the Company, it shall have furnished the Company with an opinion of
counsel (which counsel may either be inside or outside counsel to the
Warrantholder) satisfactory to the Company and its counsel to the effect that
(A) appropriate action necessary for compliance with the 1933 Act has been
taken, or (B) an exemption from the registration requirements of the 1933 Act is
available. Notwithstanding the foregoing, the restrictions imposed upon the
transferability of any of its rights to acquire Preferred Stock or Preferred
Stock issuable on the exercise of such rights do not apply to transfers from the
beneficial owner of any of the aforementioned securities to its nominee or from
such nominee to its beneficial owner, and shall terminate as to any particular
share of Preferred Stock when (1) such security shall have been effectively
registered under the 1933 Act and sold by the holder thereof in accordance with
such registration or (2) such security shall have been sold without registration
in compliance with Rule 144 under the 1933 Act, or (3) a letter shall have been
issued to the Warrantholder at its request by the staff of the Securities and
Exchange Commission or a ruling shall have been issued to the Warrantholder at
its request by such Commission stating that no action shall be recommended by
such staff or taken by such Commission, as the case may be, if such security is
transferred without registration under the 1933 Act in accordance with the
conditions set forth in such

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<PAGE>   7
letter or ruling and such letter or ruling specifies that no subsequent
restrictions on transfer are required. Whenever the restrictions imposed
hereunder shall terminate, as hereinabove provided, the Warrantholder or holder
of a share of Preferred Stock then outstanding as to which such restrictions
have terminated shall be entitled to receive from the Company, without expense
to such holder, one or more new certificates for the Warrant or for such shares
of Preferred Stock not bearing any restrictive legend.

         (d) Financial Risk. The Warrantholder has such knowledge and experience
in financial and business matters as to be capable of evaluating the merits and
risks of its investment, and has the ability to bear the economic risks of its
investment.

         (e) Risk of No Registration. The Warrantholder understands that if the
Company does not register with the Securities and Exchange Commission pursuant
to Section 12 of the 1934 Act (the "1934 Act"), or file reports pursuant to
Section 15(d), of the the 1934 Act", or if a registration statement covering the
securities under the 1933 Act is not in effect when it desires to sell (i) the
rights to purchase Preferred Stock pursuant to this Warrant Agreement, or (ii)
the Preferred Stock issuable upon exercise of the right to purchase, it may be
required to hold such securities for an indefinite period. The Warrantholder
also understands that any sale of its rights of the Warrantholder to purchase
Preferred Stock or Preferred Stock which might be made by it in reliance upon
Rule 144 under the 1933 Act may be made only in accordance with the terms and
conditions of that Rule.

         (f) Accredited Investor. Warrantholder is an "accredited investor"
within the meaning of the Securities and Exchange Rule 501 of Regulation D, as
presently in effect.

11. RIGHT OF FIRST OFFER. In accordance with the provisions of Section 4 of
Investors Rights Agreement dated as of July 18, 1996 ("Investors Agreement"),
the Warrantholder shall have all the rights of Major Investor (as defined in the
Investors Agreement) to purchase its prorata share of Equity Securities (as
defined in the Investors Agreement) based upon the number of shares of Preferred
Stock to be issued upon exercise thereunder or number of shares of common stock
upon conversion thereof.

12. TRANSFERS. Subject to the terms and conditions contained in Section 10
hereof, this Warrant Agreement and all rights hereunder are transferable in
whole or in part by the Warrantholder and any successor transferee, provided,
however, in no event shall the number of transfers of the rights and interests
in all of the Warrants exceed three (3) transfers. The transfer shall be
recorded on the books of the Company upon receipt by the Company of a notice of
transfer in the form attached hereto as Exhibit III (the "Transfer Notice"), at
its principal offices and the payment to the Company of all transfer taxes and
other governmental charges imposed on such transfer.

13.  MISCELLANEOUS.

         (a) Effective Date. The provisions of this Warrant Agreement shall be
construed and shall be given effect in all respects as if it had been executed
and delivered by the Company on the date hereof. This Warrant Agreement shall be
binding upon any successors or assigns of the Company.

         (b) Attorney's Fees. In any litigation, arbitration or court proceeding
between the Company and the Warrantholder relating hereto, the prevailing party
shall be entitled to attorneys' fees and expenses and all costs of proceedings
incurred in enforcing this Warrant Agreement.

         (c) Governing Law. This Warrant Agreement shall be governed by and
construed for all purposes under and in accordance with the laws of the State of
Delaware.

         (d) Counterparts. This Warrant 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.

         (e) Notices. Any notice required or permitted hereunder shall be given
in writing and shall be deemed effectively given upon personal delivery,
facsimile transmission (provided that the original is sent by personal

                                     - 7 -
<PAGE>   8

delivery or mail as hereinafter set forth) or seven (7) days after deposit in
the United States mail, by registered or certified mail, addressed (i) to the
Warrantholder at 6111 North River Road, Rosemont, Illinois 60018, attention:
James Labe, Venture Group, cc: Legal Department, attn: General Counsel, (and/or,
if by facsimile, (847) 518-5465 and (847)518-5088) and (ii) to the Company at
4888 Pearl East Circle, Suite 300W, Boulder, CO 80301, attention: Mr. Paul
Jerdel, Chief Executive Officer (and/or if by facsimile, (303) 546-0621 or at
such other address as any such party may subsequently designate by written
notice to the other party.

         (f) Remedies. In the event of any default hereunder, the non-defaulting
party may proceed to protect and enforce its rights either by suit in equity
and/or by action at law, including but not limited to an action for damages as a
result of any such default, and/or an action for specific performance for any
default where Warrantholder will not have an adequate remedy at law and where
damages will not be readily ascertainable. The Company expressly agrees that it
shall not oppose an application by the Warrantholder or any other person
entitled to the benefit of this Agreement requiring specific performance of any
or all provisions hereof or enjoining the Company from continuing to commit any
such breach of this Agreement.

         (g) No Impairment of Rights. The Company will not, by amendment of its
Charter or through any other means, avoid or seek to avoid the observance or
performance of any of the terms of this Warrant, but will at all times in good
faith assist in the carrying out of all such terms and in the taking of all such
actions as may be necessary or appropriate in order to protect the rights of the
Warrantholder against impairment.

         (h) Survival. The representations, warranties, covenants and conditions
of the respective parties contained herein or made pursuant to this Warrant
Agreement shall survive the execution and delivery of this Warrant Agreement.

         (i) Severability. In the event any one or more of the provisions of
this Warrant Agreement shall for any reason be held invalid, illegal or
unenforceable, the remaining provisions of this Warrant Agreement shall be
unimpaired, and the invalid, illegal or unenforceable provision shall be
replaced by a mutually acceptable valid, legal and enforceable provision, which
comes closest to the intention of the parties underlying the invalid, illegal or
unenforceable provision.

         (j) Amendments. Any provision of this Warrant Agreement may be amended
by a written instrument signed by the Company and by the Warrantholder.

         (k) Additional Documents. The Company, upon execution of this Warrant
Agreement, shall provide the Warrantholder with certified resolutions with
respect to the representations, warranties and covenants set forth in
subparagraphs (a) through (d), (f) and (g) of Section 9 above. If the purchase
price for the Leases referenced in the preamble of this Warrant Agreement
exceeds $l,000,000, the Company will also provide Warrantholder with an opinion
from the Company's counsel with respect to those same representations,
warranties and covenants. The Company shall also supply such other documents as
the Warrantholder may from time to time reasonably request.

                                      - 8 -
<PAGE>   9

IN WITNESS WHEREOF, the parties hereto have caused this Warrant Agreement to be
executed by its officers thereunto duly authorized as of the Effective Date.

                                            Company: REQUISITE TECHNOLOGY, INC.

                                            By: /s/ PAUL JERDEL
                                                ---------------------------

                                            Title:     CEO
                                                  -------------------------

                                            Warrantholder: COMDISCO, INC.

                                            By: /s/ JAMES P. LABE
                                                ---------------------------

                                            Title:  JAMES P. LABE, PRESIDENT
                                                   ------------------------
                                                    VENTURE LEASE DIVISION
                                                   ------------------------

                                      - 9 -
<PAGE>   10
                                    EXHIBIT I

                               NOTICE OF EXERCISE

To:
    ------------------------

(1)      The undersigned Warrantholder hereby elects to purchase _____ shares of
         the Series ___ Preferred Stock of ________________, pursuant to the
         terms of the Warrant Agreement dated the _____ day of
         ________________________, 19__ (the "Warrant Agreement") between
         _____________________________________ and the Warrantholder, and
         tenders herewith payment of the purchase price for such shares in full,
         together with all applicable transfer taxes, if any.

(2)      In exercising its rights to purchase the Series ____ Preferred Stock of
         _____________________________________, the undersigned hereby confirms
         and acknowledges the investment representations and warranties made in
         Section 10 of the Warrant Agreement

(3)      Please issue a certificate or certificates representing said shares of
         Series __ Preferred Stock in the name of the undersigned or in such
         other name as is specified below.

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

--------------------------
(Address)

Warrantholder: COMDISCO, INC.

By:
    ----------------------

Title:
      --------------------

Date:
     ---------------------

                                     - 10 -
<PAGE>   11

                                   EXHIBIT II

                           ACKNOWLEDGMENT OF EXERCISE

         The undersigned ______________________________, hereby acknowledge
receipt of the "Notice of Exercise" from Comdisco, Inc., to purchase ___ shares
of the Series ___ Preferred Stock of _____________, pursuant to the terms of the
Warrant Agreement and further acknowledges that _____ shares remain subject to
purchase under the terms of the Warrant Agreement

                                    Company:

                                    By:
                                        -----------------------------

                                    Title:
                                          ---------------------------

                                    Date:
                                           --------------------------

                                     - 11 -
<PAGE>   12

                                   EXHIBIT III

                                 TRANSFER NOTICE

         (To transfer or assign the foregoing Warrant Agreement execute this
         form and supply required information. Do not use this form to purchase
         shares.)

         FOR VALUE RECEIVED, the foregoing Warrant Agreement and all rights
evidenced thereby are hereby transferred and assigned to

--------------------------------------------------------
(Please Print)

whose address is
                 ---------------------------------------

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

                      Dated
                           -----------------------------

                      Holder's Signature
                                         ---------------

                      Holder's Address
                                       -----------------

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

Signature Guaranteed:
                      ----------------------------------

         NOTE:        The signature to this Transfer Notice must correspond with
                      the name as it appears on the face of the Warrant
                      Agreement, without alteration or enlargement or any change
                      whatever. Officers of corporations and those acting in a
                      fiduciary or other representative capacity should file
                      proper evidence of authority to assign the foregoing
                      Warrant Agreement.

                                     - 12 -
<PAGE>   13

                         AMENDMENT TO WARRANT AGREEMENT

              To Purchase Shares of the Series B Preferred Stock of
                           ReQuisite Technology, Inc.
                             Dated December 9, 1997

         This Amendment is entered into this 9th day of December, 1997 by and
between Comdisco, Inc., a Delaware corporation, with its chief executive offices
and principal place of business at 6111 North River Road, Rosemont, IL 60018
(the "Warrantholder") and ReQuisite Technology, Inc., a Delaware corporation,
with its principal place of business at 4888 Pearl East Circle, Suite 300W,
Boulder, CO 80301 (the "Company").

                                    RECITALS

         WHEREAS, the Company entered into a Master Lease Agreement dated as of
October 9, 1996, Equipment Schedule No. VL-1 dated as of October 9, 1996 and
related Summary Equipment Schedules (collectively, the "Leases") with
Warrantholder;

         WHEREAS, the Company granted to Warrantholder, in consideration for
such Leases, the right to purchase shares of its Series B Preferred Stock under
the Warrant Agreement dated October 9, 1996 (the "Warrant");

         WHEREAS, the Company and Warrantholder have entered into a new
Equipment Lease Schedule No. VL-2 and Warrant Agreement of even date herewith;

         WHEREAS, Warrantholder and Company wish to amend the Warrant as
follows:

                                    AGREEMENT

         NOW THEREFORE, in consideration of the premises and mutual agreement
contained herein, Company and Warrantholder hereby agree as follows:

1.       Except as expressly set forth herein, all terms used herein shall have
the meanings set forth in the Warrant.

2.       Company and Warrantholder agree that Section 11 "Right of First Offer"
shall be deleted in its entirety.

3.       Except as specifically amended hereby, the terms and conditions of the
Warrant are hereby affirmed and remain in full force and effect, and from and
after the date hereof, the "Warrant" shall mean the "Warrant" as amended by this
Amendment.

4.       This Amendment may be executed in any number of counterparts, and by
different parties hereto in separate counterparts, each of which when so
delivered shall be deemed an original, but all of which counterparts shall
constitute but one and the same instrument.

<PAGE>   14

IN WITNESS WHEREOF, Company and Warrantholder have duly executed and delivered
this Amendment as of the day and year first above written.

COMPANY                                REQUISITE TECHNOLOGY, INC.

                                       Signature /s/ JOAN F. LOWE
                                                 ----------------------------
                                       Print Name    Joan F. Lowe
                                                 ----------------------------
                                       Title          V.P. / CFO
                                             --------------------------------

WARRANTHOLDER                          COMDISCO, INC.

                                       Signature /s/ JAMES P. LABE
                                                 ----------------------------
                                       Print Name   JAMES P. LABE, PRESIDENT
                                                 ----------------------------
                                       Title    COMDISCO VENTURES DIVISION
                                            ---------------------------------<PAGE>   1

                                                                   EXHIBIT 10.10

         THESE SECURITIES HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF
         1933 AS AMENDED, OR ANY STATE SECURITIES LAWS. THEY MAY NOT BE SOLD,
         OFFERED FOR SALE, PLEDGED, OR HYPOTHECATED IN THE ABSENCE OF AN
         EFFECTIVE REGISTRATION STATEMENT RELATED THERETO OR AN OPINION OF
         COUNSEL (WHICH MAY BE COMPANY COUNSEL) REASONABLY SATISFACTORY TO THE
         COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED UNDER THE SECURITIES ACT
         OF 1933, AS AMENDED, OR ANY APPLICABLE STATE SECURITIES LAWS.

                                WARRANT AGREEMENT

              To Purchase Shares of the Series C Preferred Stock of

                           ReQuisite Technology, Inc.

               Dated as of December 9, 1997 (the "Effective Date")

         WHEREAS, ReQuisite Technology, Inc., a Delaware corporation (the
"Company") has entered into a Master Lease Agreement dated as of October 9,
1996, Equipment Schedule No. VL-2 dated as of December 9, 1997 and related
Summary Equipment Schedules (collectively, the "Leases") with Comdisco, Inc., a
Delaware corporation (the "Warrantholder"); and

         WHEREAS, the Company desires to grant to Warrantholder, in
consideration for such Leases, the right to purchase shares of its Series C
Preferred Stock;

         NOW, THEREFORE, in consideration of the Warrantholder executing and
delivering such Leases and in consideration of mutual covenants and agreements
contained herein, the Company and Warrantholder agree as follows:

1.       GRANT OF THE RIGHT TO PURCHASE PREFERRED STOCK.

         The Company hereby grants to the Warrantholder, and the Warrantholder
is entitled, upon the terms and subject to the conditions hereinafter set forth,
to subscribe to and purchase, from the Company, 8,696 fully paid and
non-assessable shares of the Company's Series C Preferred Stock ("Preferred
Stock") at a purchase price of $2.30 per share (the "Exercise Price"). The
number and purchase price of such shares are subject to adjustment as provided
in Section 8 hereof.

2.       TERM OF THE WARRANT AGREEMENT.

         Except as otherwise provided for herein, the term of this Warrant
Agreement and the right to purchase Preferred Stock as granted herein shall
commence on the Effective Date and shall be exercisable for a period of (i) ten
( 10) years or (ii) five (5) years from the effective date of the Company's
initial public offering, whichever is longer.

3.       EXERCISE OF THE PURCHASE RIGHTS.

         The purchase rights set forth in this Warrant Agreement are exercisable
by the Warrantholder, in whole or in part, at any time, or from time to time,
prior to the expiration of the term set forth m Section 2 above, by tendering to
the Company at its principal office a notice of exercise m the form attached
hereto as Exhibit I (the "Notice of Exercise"), duly completed and executed.
Promptly upon receipt of the Notice of Exercise and the payment of the purchase
price in accordance with the terms set forth below, and in no event later than
twenty-one (21) days thereafter, the Company shall issue to the Warrantholder a
certificate for the number of shares of Preferred Stock purchased and shall
execute the acknowledgment of exercise m the form attached hereto as Exhibit II
(the "Acknowledgment of Exercise") indicating the number of shares which remain
subject to future purchases, if any.

                                      -1-
<PAGE>   2

         The Exercise Price may be paid at the Warrantholder's election either
(i) by cash or check, or (ii) by surrender of Warrants ("Net Issuance") as
determined below. If the Warrantholder elects the Net Issuance method, the
Company will issue Preferred Stock in accordance with the following formula:

                  X = Y(A-B)
                      ------
                      A

Where:   X =      the number of shares of Preferred Stock to be issued to the
                  Warrantholder.

                  Y = the number of shares of Preferred Stock requested to be
                      exercised under this Warrant Agreement.

                  A = the fair market value of one (1) share of Preferred Stock.

                  B = the Exercise Price.

         For purposes of the above calculation, current fair market value of
Preferred Stock shall mean with respect to each share of Preferred Stock:

         (i) if the exercise is in connection with an initial public offering of
         the Company's Common Stock, and if the Company's Registration Statement
         relating to such public offering has been declared effective by the
         SEC, then the fair market value per share shall be the product of (x)
         the initial "Price to Public" specified in the final prospectus with
         respect to the offering and (y) the number of shares of Common Stock
         into which each share of Preferred Stock is convertible at the time of
         such exercise;

         (ii) if this Warrant is exercised after, and not in connection with the
         Company's initial public offering, and:

                (a) if traded on a securities exchange, the fair market value
                shall be deemed to be the product of (x) the average of the
                closing prices over a twenty-one (21) day period ending three
                days before the day the current fair market value of the
                securities is being determined and (y) the number of shares of
                Common Stock into which each share of Preferred Stock is
                convertible at the time of such exercise; or

                (b) if actively traded over-the-counter, the fair market value
                shall be deemed to be the product of (x) the average of the
                closing bid and asked prices quoted on the NASDAQ system (or
                similar system) over the twenty-one (21) day period ending three
                days before the day the current fair market value of the
                securities is being determined and (y) the number of shares of
                Common Stock into which each share of Preferred Stock is
                convertible at the time of such exercise;

         (iii) if at any time the Common Stock is not listed on any securities
         exchange or quoted in the NASDAQ System or the over-the-counter market,
         the current fair market value of Preferred Stock shall be the product
         of (x) the highest price per share which the Company could obtain from
         a willing buyer (not a current employee or director) for shares of
         Common Stock sold by the Company, from authorized but unissued shares,
         as determined in good faith by its Board of Directors and (y) the
         number of shares of Common Stock into which each share of Preferred
         Stock is convertible at the time of such exercise, unless the Company
         shall become subject to a merger, acquisition or other consolidation
         pursuant to which the Company is not the surviving party, in which case
         the fair market value of Preferred Stock shall be deemed to be the
         value received by the holders of the Company's Preferred Stock on a
         common equivalent basis pursuant to such merger or acquisition.

         Upon partial exercise by either cash or Net Issuance, the Company shall
promptly issue an amended Warrant Agreement representing the remaining number of
shares purchasable hereunder. All other terms and conditions of such

                                      -2-
<PAGE>   3
amended Warrant Agreement shall be identical to those contained herein,
including, but not limited to the Effective Date hereof.

4.       RESERVATION OF SHARES.

         (a) Authorization and Reservation of Shares. During the term of this
Warrant Agreement, the Company will at all times have authorized and reserved a
sufficient number of shares of its Preferred Stock to provide for the exercise
of the rights to purchase Preferred Stock as provided for herein.

         (b) Registration or Listing. If any shares of Preferred Stock required
to be reserved hereunder require registration with or approval of any
governmental authority under any Federal or State law (other than any
registration under the Securities Act of 1933, as amended ("1933 Act"), as then
in effect, or any similar Federal statute then enforced, or any state securities
law, required by reason of any transfer involved in such conversion), or listing
on any domestic securities exchange, before such shares may be issued upon
conversion, the Company will, at its expense and as expeditiously as possible,
use its best efforts to cause such shares to be duly registered, listed or
approved for listing on such domestic securities exchange, as the case may he.

5.       NO FRACTIONAL SHARES OR SCRIP.

         No fractional shares or scrip representing fractional shares shall be
issued upon the exercise of the Warrant, but in lieu of such fractional shares
the Company shall make a cash payment therefor upon the basis of the Exercise
Price then in effect.

6.       NO RIGHTS AS SHAREHOLDER.

         This Warrant Agreement does not entitle the Warrantholder to any voting
rights or other rights as a shareholder of the Company prior to the exercise of
the Warrant.

7.       WARRANTHOLDER REGISTRY.

         The Company shall maintain a registry showing the name and address of
the registered holder of this Warrant Agreement.

8.       ADJUSTMENT RIGHTS.

         The purchase price per share and the number of shares of Preferred
Stock purchasable hereunder are subject to adjustment, as follows:

         (a) Merger and Sale of Assets. If at any time there shall be a capital
reorganization of the shares of the Company's stock (other than a combination,
reclassification, exchange or subdivision of shares otherwise provided for
herein), or a merger or consolidation of the Company with or into another
corporation whether or not the Company is the surviving corporation, or the sale
of all or substantially all of the Company's properties and assets to any other
person (hereinafter referred to as a "Merger Event"), then, as a part of such
Merger Event, lawful provision shall be made so that the Warrantholder shall
thereafter be entitled to receive, upon exercise of the Warrant, the number of
shares of preferred stock or other securities of the successor corporation
resulting from such Merger Event, equivalent in value to that which would have
been issuable if Warrantholder had exercised this Warrant immediately prior to
the Merger Event. In any such case, appropriate adjustment (as determined in
good faith by the Company's Board of Directors) shall be made in the application
of the provisions of this Warrant Agreement with respect to the rights and
interest of the Warrantholder after the Merger Event to the end that the
provisions of this Warrant Agreement (including adjustments of the Exercise
Price and number of shares of Preferred Stock purchasable) shall be applicable
to the greatest extent possible.

                                      -3-
<PAGE>   4

         (b) Reclassification of Shares. If the Company at any time shall, by
combination, reclassification, exchange or subdivision of securities or
otherwise, change any of the securities as to which purchase rights under this
Warrant Agreement exist into the same or a different number of securities of any
other class or classes, this Warrant Agreement shall thereafter represent the
right to acquire such number and kind of securities as would have been issuable
as the result of such change with respect to the securities which were subject
to the purchase rights under this Warrant Agreement immediately prior to such
combination, reclassification, exchange, subdivision or other change.

         (c) Subdivision or Combination of Shares. If the Company at any time
shall combine or subdivide its Preferred Stock, the Exercise Price shall be
proportionately decreased in the case of a subdivision, or proportionately
increased in the case of a combination.

         (d) Stock Dividends. If the Company at any time shall pay a dividend
payable in, or make any other distribution (except any distribution specifically
provided for in the foregoing subsections (a) or (b)) of the Company's stock,
then the Exercise Price shall be adjusted, from and after the record date of
such dividend or distribution, to that price determined by multiplying the
Exercise Price in effect immediately prior to such record date by a fraction (i)
the numerator of which shall be the total number of all shares of the Company's
stock outstanding immediately prior to such dividend or distribution, and (ii)
the denominator of which shall be the total number of all shares of the
Company's stock outstanding immediately after such dividend or distribution. The
Warrantholder shall thereafter be entitled to purchase, at the Exercise Price
resulting from such adjustment, the number of shares of Preferred Stock
(calculated to the nearest whole share) obtained by multiplying the Exercise
Price in effect immediately prior to such adjustment by the number of shares of
Preferred Stock issuable upon the exercise hereof immediately prior to such
adjustment and dividing the product thereof by the Exercise Price resulting from
such adjustment.

         (e) Right to Purchase Additional Stock. If, the Warrantholder's total
cost of equipment leased pursuant to the Leases exceeds $500,000, Warrantholder
shall have the right to purchase from the Company, at the Exercise Price
(adjusted as set forth herein), an additional number of shares, which number
shall be determined by (i) multiplying the amount by which the Warrantholder's
total equipment cost exceeds $500,000 by 4%, and (ii) dividing the product
thereof by the Exercise Price per share referenced above.

         (f) Notice of Adjustments. If: (i) the Company shall declare any
dividend or distribution upon its stock, whether in cash, property, stock or
other securities; (ii) the Company shall offer for subscription prorata to the
holders of any class of its Preferred or other convertible stock any additional
shares of stock of any class or other rights; (iii) there shall be any Merger
Event; (iv) there shall be an initial public offering; or (v) there shall be any
voluntary dissolution, liquidation or winding up of the Company; then, in
connection with each such event, the Company shall send to the Warrantholder:
(A) at least twenty (20) days' prior written notice of the date on which the
books of the Company shall close or a record shall be taken for such dividend,
distribution, subscription rights (specifying the date on which the holders of
Preferred Stock shall be entitled thereto) or for determining rights to vote in
respect of such Merger Event, dissolution, liquidation or winding up; (B) in the
case of any such Merger Event, dissolution liquidation or winding up, at least
twenty (20) days' prior written notice of the date when the same shall take
place (and specifying the date on which the holders of Preferred Stock shall be
entitled to exchange their Preferred Stock for securities or other property
deliverable upon such Merger Event, dissolution, liquidation or winding up); and
(C) in the case of a public offering, the Company shall give the Warrantholder
at least twenty (20) days written notice prior to the effective date thereof.

         Each such written notice shall set forth in reasonable detail, (i) the
event requiring the adjustment, (ii) the amount of the adjustment, (iii) the
method by which such adjustment was calculated, (iv) the Exercise Price, and (v)
the number of shares subject to purchase hereunder after giving effect to such
adjustment, and shall be given by first class mail, postage prepaid, addressed
to the Warrantholder, at the address as shown on the books of the Company.

         (g) Timely Notice. Failure to timely provide such notice required by
subsection (f) above shall entitle Warrantholder to retain the benefit of the
applicable notice period notwithstanding anything to the contrary contained in
any insufficient notice received by Warrantholder. The notice period shall begin
on the date Warrantholder actually receives a written notice containing all the
information specified above.

                                      -4-
<PAGE>   5

9.       REPRESENTATIONS, WARRANTIES AND COVENANTS OF THE COMPANY.

         (a) Reservation of Preferred Stock. The Preferred Stock issuable upon
exercise of the Warrantholder's rights has been duly and validly reserved and,
when issued in accordance with the provisions of this Warrant Agreement, will be
validly issued, fully paid and non-assessable, and will be free of any taxes,
liens, charges or encumbrances of any nature whatsoever; provided, however, that
the Preferred Stock issuable pursuant to this Warrant Agreement may be subject
to restrictions on transfer under state and/or Federal securities laws. The
Company has made available to the Warrantholder true, correct and complete
copies of its Charter and Bylaws, as amended. The issuance of certificates for
shares of Preferred Stock upon exercise of the Warrant Agreement shall be made
without charge to the Warrantholder for any issuance tax in respect thereof, or
other cost incurred by the Company in connection with such exercise and the
related issuance of shares of Preferred Stock. The Company shall not be required
to pay any tax which may be payable in respect of any transfer involved and the
issuance and delivery of any certificate in a name other than that of the
Warrantholder.

         (b) Due Authority. The execution and delivery by the Company of this
Warrant Agreement and the performance of all obligations of the Company
hereunder, including the issuance to Warrantholder of the right to acquire the
shares of Preferred Stock, have been duly authorized by all necessary corporate
action on the part of the Company, and the Leases and this Warrant Agreement are
not inconsistent with the Company's Charter or Bylaws, do not contravene any law
or governmental rule, regulation or order applicable to it, do not and will not
contravene any provision of, or constitute a default under, any indenture,
mortgage, contract or other instrument to which it is a party or by which it is
bound, and the Leases and this Warrant Agreement constitute legal, valid and
binding agreements of the Company, enforceable in accordance with their
respective terms.

         (c) Consents and Approvals. No consent or approval of, giving of notice
to, registration with, or taking of any other action in respect of any state,
Federal or other governmental authority or agency is required with respect to
the execution, delivery and performance by the Company of its obligations under
this Warrant Agreement, except for the filing of notices pursuant to Regulation
D under the 1933 Act and any filing required by applicable state securities law,
which filings will be effective by the time required thereby.

         (d) Issued Securities. All issued and outstanding shares of Common
Stock, Preferred Stock or any other securities of the Company have been duly
authorized and validly issued and are fully paid and nonassessable. All
outstanding shares of Common Stock, Preferred Stock and any other securities
were issued in full compliance with all Federal and state securities laws. In
addition:

         (i) The authorized capital of the Company consists of (A) 15,000,000
shares of Common Stock, of which 1,521,377 shares are issued and outstanding,
and (B) 6,519,955 shares of preferred stock, of which 3,469,955 are designated
Series A and B preferred, 3,308,415 shares are issued and outstanding and are
convertible into shares of Common Stock at $1.81 per share; 3,050,000 shares are
designated Series C preferred, 2,826,088 shares are issued and outstanding and
are convertible into shares of Common Stock at $2.30 per share.

         (ii) The Company has reserved (A) 206,500 shares of Common Stock for
issuance under its Nonqualified Stock Option Plan, under which 206,500 options
are outstanding at an average price of $0.19 per share, and (B) 1,923,500 shares
of Common Stock for issuance under its Incentive Stock Option Plan under which
1,461,875 options are outstanding at an average price of $0.19 per share. There
are warrants to purchase 68,500 shares of the Common Stock at an average price
of $0.02 per share; warrants to purchase 147,790 shares of Series A preferred
stock at an average price of $0.10 per share; and warrants to purchase 13,750
shares of Series B preferred stock at an average price of $1.81 per share. There
are no other options, warrants, conversion privileges or other rights presently
outstanding to purchase or otherwise acquire any authorized but unissued shares
of the Company's capital stock or other securities of the Company.

         (iii) In accordance with the Company's Articles of Incorporation, no
shareholder of the Company has preemptive rights to purchase new issuances of
the Company's capital stock.

                                      -5-
<PAGE>   6

         (e) Insurance. The Company has in full force and effect insurance
policies, with extended coverage, insuring the Company and its property and
business against such losses and risks, and in such amounts, as are customary
for corporations engaged in a similar business and similarly situated and as
otherwise may be required pursuant to the terms of any other contract or
agreement.

         (f) Other Commitments to Register Securities. Except as provided in the
Investors Rights Agreement dated July 18, 1996 the Company is not, pursuant to
the terms of any other agreement currently m existence, under any obligation to
register under the 1933 Act any of its presently outstanding securities or any
of its securities which may hereafter be issued.

         (g) Exempt Transaction. Subject to the accuracy of the Warrantholder's
representations in Section 10 hereof, the issuance of the Preferred Stock upon
exercise of this Warrant will constitute a transaction exempt from (i) the
registration requirements of Section 5 of the 1933 Act, in reliance upon Section
4(2) thereof, and (ii) the qualification requirements of the applicable state
securities laws.

         (h) Compliance with Rule 144. At the written request of the
Warrantholder, who proposes to sell Preferred Stock issuable upon the exercise
of the Warrant in compliance with Rule 144 promulgated by the Securities and
Exchange Commission, the Company shall furnish to the Warrantholder, within ten
days after receipt of such request, a written statement confirming the Company's
compliance with the filing requirements of the Securities and Exchange
Commission as set forth in such Rule, as such Rule may be amended from time to
time.

10.      REPRESENTATIONS AND COVENANTS OF THE WARRANTHOLDER.

         This Warrant Agreement has been entered into by the Company in reliance
upon the following representations and covenants of the Warrantholder:

         (a) Investment Purpose. The right to acquire Preferred Stock or the
Preferred Stock issuable upon exercise of the Warrantholder's rights contained
herein will be acquired for investment and not with a view to the sale or
distribution of any part thereof, and the Warrantholder has no present intention
of selling or engaging m any public distribution of the same except pursuant to
a registration or exemption.

         (b) Private Issue. The Warrantholder understands (i) that the Preferred
Stock issuable upon exercise of this Warrant is not registered under the 1933
Act or qualified under applicable state securities laws on the ground that the
issuance contemplated by this Warrant Agreement will be exempt from the
registration and qualification requirements thereof, and (ii) that the Company's
reliance on such exemption is predicated on the transactions set forth in this
Section 10.

         (c) Disposition of Warrantholder's Rights. In no event will the
Warrantholder make a disposition of any of its rights to acquire Preferred Stock
or Preferred Stock issuable upon exercise of such rights unless and until (i) it
shall have notified the Company of the proposed disposition, and (ii) if
requested by the Company, it shall have furnished the Company with an opinion of
counsel (which counsel may either be inside or outside counsel to the
Warrantholder) satisfactory to the Company and its counsel to the effect that
(A) appropriate action necessary for compliance with the 1933 Act has been
taken, or (B) an exemption from the registration requirements of the 1933 Act is
available. Notwithstanding the foregoing, the restrictions imposed upon the
transferability of any of its rights to acquire Preferred Stock or Preferred
Stock issuable on the exercise of such rights do not apply to transfers from the
beneficial owner of any of the aforementioned securities to its nominee or from
such nominee to its beneficial owner, and shall terminate as to any particular
share of Preferred Stock when (1) such security shall have been effectively
registered under the 1933 Act and sold by the holder thereof in accordance with
such registration or (2) such security shall have bean sold without registration
in compliance with Rule 144 under the 1933 Act, or (3) a letter shall have been
issued to the Warrantholder at its request by the staff of the Securities and
Exchange Commission or a ruling shall have been issued to the Warrantholder at
its request by such Commission stating that no action shall be recommended by
such staff or taken by such Commission, as the case may be, if such security is
transferred without registration under the 1933 Act in accordance with the
conditions set forth in such letter or ruling and such letter or ruling
specifies that no subsequent restrictions on transfer are required. Whenever the
restrictions imposed hereunder shall terminate, as hereinabove

                                      -6-
<PAGE>   7
provided, the Warrantholder or holder of a share of Preferred Stock then
outstanding as to which such restrictions have terminated shall be entitled to
receive from the Company, without expense to such holder, one or more new
certificates for the Warrant or for such shares of Preferred Stock not bearing
any restrictive legend.

         (d) Financial Risk. The Warrantholder has such knowledge and experience
in financial and business matters as to be capable of evaluating the merits and
risks of its investment and has the ability to bear the economic risks of its
investment.

         (e) Risk of No Registration. The Warrantholder understands that if the
Company does not register with the Securities and Exchange Commission pursuant
to Section 12 of the 1934 Act (the "1934 Act"), or file reports pursuant to
Section 15(d), of the 1934 Act", or if a registration statement covering the
securities under the 1933 Act is not in effect when it desires to sell (i) the
rights to purchase Preferred Stock pursuant to this Warrant Agreement, or (ii)
the Preferred Stock issuable upon exercise of the right to purchase, it may be
required to hold such securities for an indefinite period. The Warrantholder
also understands that any sale of its rights of the Warrantholder to purchase
Preferred Stock or Preferred Stock which might be made by it in reliance upon
Rule 144 under the 1933 Act may be made only in accordance with the terms and
conditions of that Rule.

         (f) Accredited Investor. Warrantholder is an "accredited investor"
within the meaning of the Securities and Exchange Rule 501 of Regulation D, as
presently in effect.

         TRANSFERS. Subject to the terms and conditions contained in Section 10
hereof, this Warrant Agreement and all rights hereunder are transferable in
whole or in part by the Warrantholder and any successor transferee, provided,
however, in no event shall the number of transfers of the rights and interests
in all of the Warrants exceed three (3) transfers. The transfer shall be
recorded on the books of the Company upon receipt by the Company of a notice of
transfer in the form attached hereto as Exhibit III (the "Transfer Notice"), at
its principal offices and the payment to the Company of all transfer taxes and
other governmental charges imposed on such transfer.

12.      MISCELLANEOUS.

         (a) Effective Date. The provisions of this Warrant Agreement shall be
construed and shall be given effect in all respects as if it had been executed
and delivered by the Company on the date hereof. This Warrant Agreement shall be
binding upon any successors or assigns of the Company.

         (b) Attorney's Fees. In any litigation, arbitration or court proceeding
between the Company and the Warrantholder relating hereto, the prevailing party
shall be entitled to attorneys' fees and expenses and all costs of proceedings
incurred in enforcing this Warrant Agreement.

         (c) Governing Law. This Warrant Agreement shall be governed by and
construed for all purposes under and in accordance with the laws of the State of
Delaware.

         (d) Counterparts. This Warrant 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.

         (e) Notices. Any notice required or permitted hereunder shall be given
in writing and shall be deemed effectively given upon personal delivery,
facsimile transmission (provided that the original is sent by personal delivery
or mail as hereinafter set forth) or seven (7) days after deposit in the United
States mail, by registered or certified mail, addressed (i) to the Warrantholder
at 6111 North River Road, Rosemont, Illinois 60018, attention: James Labe,
Venture Group, cc: Legal Department, attn: General Counsel, (and/or, if by
facsimile, (847) 518-5465 and (847)518-5088) and (ii) to the Company at 4888
Pearl East Circle, Suite 300W, Boulder , CO 80301, attention: Mr. Paul Jerdel,
Chief Executive Officer (and/or if by facsimile, (303) 546-0621 or at such other
address as any such party may subsequently designate by written notice to the
other party.

         (f) Remedies. In the event of any default hereunder, the non-defaulting
party may proceed to protect and enforce its rights either by suit in equity
and/or by action at law, including but not limited to an action for damages as a

                                      -7-
<PAGE>   8

result of any such default, and/or an action for specific performance for any
default where Warrantholder will not have an adequate remedy at law and where
damages will not be readily ascertainable. The Company expressly agrees that it
shall not oppose an application by the Warrantholder or any other person
entitled to the benefit of this Agreement requiring specific performance of any
or all provisions hereof or enjoining the Company from continuing to commit any
such breach of this Agreement.

         (g) No Impairment of Rights. The Company will not, by amendment of its
Charter or through any other means, avoid or seek to avoid the observance or
performance of any of the terms of this Warrant, but will at all times in good
faith assist in the carrying out of all such terms and in the taking of all such
actions as may be necessary or appropriate in order to protect the rights of the
Warrantholder against impairment.

         (h) Survival. The representations, warranties, covenants and conditions
of the respective parties contained herein or made pursuant to this Warrant
Agreement shall survive the execution and delivery of this Warrant Agreement.

         (i) Severability. In the event any one or more of the provisions of
this Warrant Agreement shall for any reason be held invalid, illegal or
unenforceable, the remaining provisions of this Warrant Agreement shall be
unimpaired, and the invalid, illegal or unenforceable provision shall be
replaced by a mutually acceptable valid, legal and enforceable provision, which
comes closest to the intention of the parties underlying the invalid, illegal or
unenforceable provision.

         (j) Amendments. Any provision of this Warrant Agreement may be amended
by a written instrument signed by the Company and by the Warrantholder.

         (k) Additional Documents. The Company, upon execution of this Warrant
Agreement, shall provide the Warrantholder with certified resolutions with
respect to the representations, warranties and covenants set forth in
subparagraphs (a) through (d), (f) and (g) of Section 9 above. If the purchase
price for the Leases referenced in the preamble of this Warrant Agreement
exceeds $1,000,000, the Company will also provide Warrantholder with an opinion
from the Company's counsel with respect to those same representations,
warranties and covenants. The Company shall also supply such other documents as
the Warrantholder may from time to time reasonably request.

IN WITNESS WHEREOF, the parties hereto have caused this Warrant Agreement to be
executed by its officers thereunto duly authorized as of the Effective Date.

                                Company:  REQUISITE TECHNOLOGY, INC.

                                By:  /s/ JOAN F. LOWE
                                   ---------------------------------
                                Title:  V.P. / CFO
                                      ------------------------------
                                Warrantholder:  COMDISCO, INC.

                                By:  /s/ JAMES P. LABE
                                   ---------------------------------
                                        JAMES P. LABE, PRESIDENT
                                Title:  COMDISCO VENTURES DIVISION
                                      ------------------------------

                                      -8-
<PAGE>   9

                                    EXHIBIT I

                               NOTICE OF EXERCISE

To:
   ---------------------

(1)      The undersigned Warrantholder hereby elects to purchase _______ shares
         of the Series ___ Preferred Stock of ____________________, pursuant to
         the terms of the Warrant Agreement dated the _____ day of
         ___________________________, 19__ (the "Warrant Agreement") between
         _______________________________ and the Warrantholder, and tenders
         herewith payment of the purchase price for such shares in full,
         together with all applicable transfer taxes, if any.

(2)      In exercising its rights to purchase the Series ___ Preferred Stock of
         _________________________________________, the undersigned hereby
         confirms and acknowledges the investment representations and warranties
         made in Section 10 of the Warrant Agreement.

(3)      Please issue a certificate or certificates representing said shares of
         Series ___ Preferred Stock in the name of the undersigned or in such
         other name as is specified below.

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

---------------------------------
(Address)

Warrantholder: COMDISCO, INC.

By:
   ------------------------------
Title:
      ---------------------------
Date:
     ----------------------------

                                      -9-
<PAGE>   10

                                   EXHIBIT II

                           ACKNOWLEDGMENT OF EXERCISE

         The undersigned ___________________________________, hereby acknowledge
receipt of the "Notice of Exercise" from Comdisco, Inc, to purchase _____ shares
of the Series __ Preferred Stock of ___________________, pursuant to the terms
of the Warrant Agreement, and further acknowledges that _____ shares remain
subject to purchase under the terms of the Warrant Agreement.

                                    Company:
                                            -----------------------------------
                                    By:
                                        ---------------------------------------
                                    Title:
                                          -------------------------------------
                                    Date:
                                         --------------------------------------

                                      -10-
<PAGE>   11

                                   EXHIBIT III

                                 TRANSFER NOTICE

         (To transfer or assign the foregoing Warrant Agreement execute this
         form and supply required information. Do not use this form to purchase
         shares.)

         FOR VALUE RECEIVED, the foregoing Warrant Agreement and all rights
evidenced thereby are hereby transferred and assigned to

----------------------------------------------------------------
(Please Print)

whose address is
                 -----------------------------------------------

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

                  Dated
                        ----------------------------------------

                  Holder's Signature
                                    ----------------------------

                  Holder's Address
                                  ------------------------------

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

Signature Guaranteed:
                     -------------------------------------------

         NOTE:    The signature to this Transfer Notice must correspond with the
                  name as it appears on the face of the Warrant Agreement,
                  without alteration or enlargement or any change whatever.
                  Officers of corporations and those acting in a fiduciary or
                  other representative capacity should file proper evidence of
                  authority to assign the foregoing Warrant Agreement.

                                      -11-

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