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                                 LOAN AGREEMENT

                                 BY AND BETWEEN

                            MANUGISTICS GROUP, INC.,

                               MANUGISTICS, INC.,

                                       AND

                            MANUGISTICS ATLANTA, INC.

                                  AS BORROWERS

                                       AND

                              SILICON VALLEY BANK,

                                     AS BANK

                                JANUARY 14, 2003

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                                 LOAN AGREEMENT

        THIS LOAN AGREEMENT dated January 14, 2003, between SILICON VALLEY BANK
("Bank"), whose address is 3003 Tasman Drive, Santa Clara, California 95054 and
having a loan production office at 11600 Sunrise Valley Drive, Suite 400,
Reston, Virginia 20191 and MANUGISTICS GROUP, INC., a corporation organized
under the laws of the State of Delaware whose address is 9715 Key West Avenue,
Rockville, Maryland 20850 (the "Company"), MANUGISTICS, INC., a corporation
organized under the laws of the State of Delaware whose address is 9715 Key West
Avenue, Rockville, Maryland 20850, MANUGISTICS ATLANTA, INC., a corporation
organized under the laws of the State of Delaware whose address is 9715 Key West
Avenue, Rockville, Maryland 20850, and any Persons who are now or hereafter made
parties to this Agreement (each a "Borrower" and collectively, "Borrowers"),
provides the terms on which Bank will lend to Borrowers and Borrowers will repay
Bank. The parties agree as follows:

1       ACCOUNTING AND OTHER TERMS

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

2       LOAN AND TERMS OF PAYMENT

2.1     PROMISE TO PAY

        Borrowers jointly and severally promise to pay Bank the unpaid principal
amount of all Credit Extensions and interest on the unpaid principal amount of
the Credit Extensions in accordance with the Loan Documents.

2.1     REVOLVING ADVANCES.

        (a)     Bank will make Advances not exceeding the Committed Revolving
Line minus the amount of all outstanding Letters of Credit (including drawn but
unreimbursed Letters of Credit). Amounts borrowed under this Section may be
repaid and reborrowed during the term of this Agreement. All advances shall be
evidenced by the Revolving Promissory Note to be executed and delivered by
Borrowers to Bank on the Closing Date and shall be repaid in accordance with the
terms of the Revolving Promissory Note.

        (b)     To obtain an Advance, Borrowers must notify Bank by facsimile or
telephone by 3:00 p.m. Eastern time on the Business Day the Advance is to be
made. Borrowers must promptly confirm the notification by delivering to Bank the
Payment/Advance Request Form attached as Exhibit A (the "Payment/Advance Form").
Bank will credit Advances to any Borrower's deposit account. Bank may make
Advances under this Agreement based on instructions from a Responsible Officer
or his or her designee or without instructions if the Advances are necessary to
meet Obligations which have become due. Bank may rely on any telephone notice
given by a person whom Bank reasonably believes is a Responsible Officer or
designee. Borrowers will indemnify Bank for any loss Bank suffers due to such
reliance.

        (c)     The Committed Revolving Line terminates on the Revolving
Maturity Date, when all Advances are immediately payable.

2.2     LETTERS OF CREDIT SUBLIMIT.

        Bank will issue or have issued Letters of Credit for a Borrower's
account not exceeding the Committed Revolving Line. Each Letter of Credit will
have an expiry date of no later than one hundred eighty (180) days after the
Revolving Maturity Date, but Borrowers' joint and several obligations to
reimburse Bank under the Letters of Credit will be secured by cash on terms
acceptable to Bank at any time after the Revolving Maturity Date if the term of
this Agreement is not extended by Bank. Borrowers

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agree to execute any further documentation in connection with the Letters of
Credit as Bank may reasonably request. Prior to or simultaneously with the
opening of each Letter of Credit, Borrowers shall pay to Bank, a letter of
credit fee (each a "Letter of Credit Fee" and collectively the "Letter of Credit
Fees") in an amount equal to two percent (2.0%) per annum of the face amount of
the Letter of Credit. Such Letter of Credit Fees shall be paid in advance upon
the issuance of the Letter of Credit and upon each anniversary thereof, if any.
In addition, Borrowers shall pay to Bank any and all additional issuance,
negotiation, processing, transfer or other fees to the extent and as and when
required by Bank.

2.3     INTEREST RATE, PAYMENTS.

        (a)     Interest Rate. Advances accrue interest on the outstanding
principal balance in accordance with the Revolving Promissory Note After an
Event of Default, Obligations accrue interest at four percent (4%) above the
rate effective immediately before the Event of Default. The interest rate
increases or decreases when the Prime Rate changes. Interest is computed on a
360 day year for the actual number of days elapsed.

        (b)     Payments. Interest due on the Committed Revolving Line is
payable on the fifth (5th) day of each month. Bank may debit any of any
Borrower's deposit accounts including Account Number _________________________
for principal and interest payments owing or any amounts any Borrower owes Bank
if not paid when due or within any applicable grace period. Bank will promptly
notify the Company when it debits any Borrower's accounts. These debits are not
a set-off. Payments received after 3:00 p.m. Eastern time are considered
received at the opening of business on the next Business Day. When a payment is
due on a day that is not a Business Day, the payment is due the next Business
Day and additional fees or interest accrue.

2.4     REQUESTS FOR ADVANCES, ETC.

        (a)     Each of the Borrowers hereby represents and warrants to Bank
that each such Borrower will derive benefits, either directly or indirectly,
from the proceeds of each Credit Extension, both in its individual capacity and
as a member of the integrated group to which the Borrowers belong, because the
successful operation of the integrated group referred to in this Agreement as
"the Borrowers" is dependent upon the continued successful performance of the
functions of the integrated group as a whole.

        (b)     The Borrowers, in the discretion of their respective
managements, are to agree among themselves as to the allocation of the benefits
of the proceeds of the Credit Extensions and the purposes for which such
benefits and proceeds will be used, provided that no allocation, purpose or use
shall be in violation of this Agreement. For administrative convenience, each
Borrower is hereby irrevocably appointed by each and every other Borrower as
agent for each and every other Borrower for the purpose of requesting Credit
Extensions, receiving the benefits of the proceeds of such Credit Extensions,
and disbursing the proceeds of such Credit Extensions among the Borrowers. By
reason thereof, each Borrower is hereby irrevocably appointed by each and every
other Borrower with power and authority through its duly authorized officer or
officers (i) to endorse any check (if any) for the proceeds of any Credit
Extension for and on behalf of each and every Borrower and in the name of each
and every Borrower, and (ii) to instruct Bank to credit the proceeds of any
Credit Extension directly to a banking account of one or more of the Borrowers
which shall evidence the making of such Credit Extension and shall constitute
the acknowledgment by each and every Borrower of the receipt of the proceeds of
such Credit Extension. Bank may require from time to time such certificates,
reports and other items as Bank may reasonably deem necessary to evidence the
allocation of the proceeds of the Credit Extensions among the Borrowers. In
particular, Bank may require from time to time that any advances of the proceeds
of the Credit Extensions by one or more of the Borrowers be evidenced by one or
more promissory notes or other written instruments or agreements between one or
more of the Borrowers to evidence intercompany receivables between one or more
of the Borrowers. All actions taken by each

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Borrower in connection with the Credit Extensions and the Loan Documents shall
be conclusively presumed to be the joint and several actions of the Borrowers
even though any one Borrower may act from time to time in its name alone. This
appointment is coupled with an interest and is irrevocable without the prior
written consent of Bank.

        (c)     Without implying any limitation on the joint and several nature
of the Obligations, Bank agrees that, notwithstanding any other provision of
this Agreement, the Borrowers may create inter-company indebtedness between
and/or among the Borrowers with respect to the allocation of the benefits and
proceeds of the advances under this Agreement. The Borrowers agree among
themselves, and Bank consents to that agreement, that each and every Borrower
shall have rights of contribution from all of the other Borrowers to the extent
each such Borrower incurs Obligations in excess of the proceeds of the Credit
Extensions received by, or allocated to purposes for the direct benefit of, each
such Borrower. All such indebtedness and rights shall be, and are hereby agreed
by the Borrowers to be, subordinate in priority and payment to the indefeasible
payment in full of the Obligations, and, unless Bank agrees in writing
otherwise, shall not be exercised or repaid in whole or in part until all of the
Obligations have been satisfied, provided, however, that prior to the occurrence
of a payment Default, the Borrowers shall be permitted to make payments on
account of any such inter-company indebtedness from time to time in accordance
with the terms thereof. Each and every Borrower hereby waives all rights of
counterclaim, recoupment and offset between or among themselves arising on
account of that indebtedness. Unless required by the laws of the United States
or the country where such indebtedness is created, each and every Borrower
agrees not to evidence that indebtedness or rights by note or other instrument,
and shall not secure that indebtedness with any mortgage, security agreement or
otherwise.

        (d)     Bank is hereby irrevocably authorized by the Borrowers to make
Credit Extensions to the Borrowers, all pursuant to the provisions of this
Agreement upon the written, oral or telephone request of any one of the Persons
who is from time to time a Responsible Officer of the Borrowers under the
provisions of the most recent certificate of corporate resolutions of the
Borrowers on file with Bank or as otherwise designated in writing by the
Borrowers. Except for gross negligence or willful misconduct, Bank assumes no
responsibility or liability for any errors, mistakes, and/or discrepancies in
the oral, telephonic, written or other transmissions of any instructions,
orders, requests and confirmations between Bank and the Borrowers in connection
with any of Credit Extension, or any other transaction in connection with the
provisions of this Agreement.

2.5     FEES.

        Borrowers will pay:

        (a)     Facility Fee. A fully earned, nonrefundable fee in the amount of
One Hundred Thousand Dollars ($100,000), of which Ten Thousand Dollars has been
paid and the balance ($90,000) will be paid on the Closing Date.

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

3       CONDITIONS OF LOANS

3.1     CONDITIONS PRECEDENT TO INITIAL CREDIT EXTENSION.

        Bank's obligation to make the initial Credit Extension is subject to the
condition precedent that it receive the Loan Documents and any other agreements,
documents and fees it requires.

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3.2     CONDITIONS PRECEDENT TO ALL CREDIT EXTENSIONS.

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

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

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

4       SECURITY INTEREST

4.1     SECURITY AGREEMENT.

        (a)     Borrowers have agreed upon the occurrence of a Financial
Covenant Default, to grant Bank a continuing first Lien security interest in all
presently existing and later acquired Collateral to secure all Obligations and
performance of each of Borrowers' duties under the Loan Documents. An unsigned
copy of the Security Agreement, in the form attached hereto as Exhibit B shall
be held by Bank, along with financing statements to perfect Bank's security
interest required pursuant to the Code, until the occurrence of any Financial
Covenant Default. At any time following the occurrence of a Financial Covenant
Default, Bank may give written notice to Borrowers advising them that a
Financial Covenant Default has occurred and requesting Borrowers to execute and
deliver the Security Agreement. In the event that Borrowers fail to execute and
deliver the Security Agreement to Bank within three (3) Business Days after such
notice, Bank shall have the right to execute the Security Agreement in the name
of and on behalf of Borrowers pursuant to the power of attorney granted in
Section 4.1(c) hereof. The date on which the Security Agreement is executed and
delivered by Borrowers (or by Bank in the name of and on behalf of Borrowers
pursuant to such power of attorney) shall be referred to as the "Lien Effective
Date" with respect to the Collateral.

        (b)     In addition, Bank upon the occurrence of any Event of Default,
may place a "hold" on any deposit account of any Borrower maintained with Bank
or any Affiliate of Bank (the "Deposit Accounts") provided such "hold" shall be
in an amount not to exceed the then outstanding Obligations (including the face
amount of any Letters of Credit issued under this Agreement). An unsigned copy
of the Account Control Agreement, in the form attached hereto as Exhibit C shall
be held by Bank, until the occurrence of any Event of Default. At any time
following the occurrence of an Event of Default, Bank may give written notice to
Borrowers advising them that an Event of Default has occurred and requesting
Borrowers to execute and deliver the Account Control Agreement. In the event
that Borrowers fail to execute and deliver the Account Control Agreement to Bank
within three (3) Business Days after such notice, Bank shall have the right to
execute the Account Control Agreement in the name of and on behalf of Borrowers
pursuant to the power of attorney granted in Section 4.1(c) hereof. The date on
which the Account Control Agreement is executed and delivered by Borrowers (or
by Bank in the name of and on behalf of Borrowers pursuant to such power of
attorney) shall be referred to as the "Lien Effective Date" with respect to the
Deposit Accounts.

        (c)     In furtherance of the foregoing, each Borrower irrevocably
appoints Bank as its lawful attorney upon (i) the occurrence of any Financial
Covenant Default (such date being called the "Lien Effective Date") and the
failure of Borrowers to sign and return the Security Agreement as provided in
Section 4.1(a) hereof, to date and sign each Borrower's name on the Security
Agreement and on any other documents necessary in Bank's reasonable discretion
to perfect the Bank's security interest in the Collateral and at Borrowers'
expense record such financing statements in such jurisdictions as Bank

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deems appropriate to perfect its lien on the Collateral and (ii) the occurrence
of any Event of Default and the failure of Borrowers to sign and return the
Account Control Agreements as provided in Section 4.1(b) hereof, to date and
sign each Borrower's name on the Account Control Agreement. Bank's appointment
as each Borrower's attorney in fact, and all of Bank's rights and powers, are
coupled with an interest, are irrevocable until all Obligations have been fully
repaid and performed and Bank's obligation to provide Credit Extensions
terminates.

        (d)     All security interests will be a first priority security
interest in the Collateral, subject to Permitted Liens and the Deposit Accounts.
If this Agreement is terminated after a Financial Covenant Default or an Event
of Default, as the case may be, Bank's Lien and security interest in the
Collateral and the Deposit Accounts will continue until Borrowers fully satisfy
their Obligations.

4.2     NO SECURITY INTEREST PRIOR TO LIEN EFFECTIVE DATE.

        Bank agrees that (a) prior to the Lien Effective Date with respect to
the Collateral, it will not have a security interest in or Lien on the
Collateral, pursuant to the Security Agreement or this Agreement and (b) prior
to the Lien Effective Date with respect to the Deposit Accounts, it will not
have a security interest in or Lien on the Deposit Accounts.

5       REPRESENTATIONS AND WARRANTIES

        Each Borrower represents and warrants as follows:

5.1     DUE ORGANIZATION AND AUTHORIZATION.

        Each Borrower is duly existing and in good standing in its state of
incorporation and qualified and licensed to do business in, and in good standing
in, any state in which the conduct of its business or its ownership of property
requires that it be qualified, except where the failure to do so could not
reasonably be expected to cause a Material Adverse Change. Each Borrower's exact
legal name is as set forth on the signature pages of this Agreement. The
execution, delivery and performance of the Loan Documents have been duly
authorized, and do not conflict with any Borrower's formation documents, nor
constitute an event of default under any material agreement by which any
Borrower is bound. Each Borrower is not in default under any agreement to which
it is a party, or by which it is bound, in which the default could reasonably be
expected to cause a Material Adverse Change.

5.2     LITIGATION.

        There are no actions or proceedings pending or, to the knowledge of each
Borrower's Responsible Officers, threatened by or against any Borrower or any
Subsidiary in which a likely adverse decision could reasonably be expected to
cause a Material Adverse Change.

5.3     NO MATERIAL ADVERSE CHANGE IN FINANCIAL STATEMENTS.

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

5.4     SOLVENCY.

        The fair salable value of Borrowers' assets (including goodwill minus
disposition costs) exceeds the fair value of their liabilities; no Borrower is
left with unreasonably small capital after the transactions in

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this Agreement or any of the Loan Documents; and each Borrower is able to pay
its debts (including trade debts) as they mature.

5.5     REGULATORY COMPLIANCE.

        No Borrower is an "investment company" or a company "controlled" by an
"investment company" under the Investment Company Act. No Borrower is engaged as
one of its important activities in extending credit for margin stock (under
Regulations T and U of the Federal Reserve Board of Governors). Borrower has
complied in all material respects with the Federal Fair Labor Standards Act. No
Borrower has violated any laws, ordinances or rules, the violation of which
could reasonably be expected to cause a Material Adverse Change. None of any
Borrowers' or any Subsidiary's properties or assets has been used by any
Borrower or any Subsidiary or, to the best of any Borrower's knowledge, by
previous Persons, in disposing, producing, storing, treating, or transporting
any hazardous substance other than legally. Each Borrower and each Subsidiary
has timely filed all required tax returns and paid, or made adequate provision
to pay, all material taxes, except those being contested in good faith with
adequate reserves under GAAP. Each Borrower and each Subsidiary has obtained all
consents, approvals and authorizations of, made all declarations or filings
with, and given all notices to, all government authorities that are necessary to
continue its business as currently conducted, except where the failure to do so
could not reasonably be expected to cause a Material Adverse Change.

5.6     DESIGNATED SENIOR INDEBTEDNESS.

        The Company represents, warrants and agrees with the Bank that the
Obligations shall at all times be deemed to be "Designated Senior Indebtedness"
under that certain Indenture dated October 20, 2000 between the Company and
State Street Bank and Trust Company as the same may from time to time be
amended, restated or otherwise modified (the "Indenture"). The Company further
represents and warrants that the Indenture has not been amended, restated or
otherwise modified except as set forth in the Schedule.

5.7     FULL DISCLOSURE.

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

6       AFFIRMATIVE COVENANTS

        Each Borrower will do all of the following for so long as Bank has an
obligation to make any Credit Extension, or there are outstanding Obligations:

6.1     GOVERNMENT COMPLIANCE.

        Each Borrower will maintain its legal existence and good standing as a
Registered Organization in only the State of such Borrower's incorporation as
set forth in the Schedule and maintain qualification in each jurisdiction in
which the failure to so qualify would reasonably be expected to cause a material
adverse effect on such Borrower's business or operations. Each Borrower will
comply, and have each Subsidiary comply, with all laws, ordinances and
regulations to which it is subject, noncompliance with which would reasonably be
expected to have a material adverse effect on the business or operations of

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such Borrower and its Subsidiaries taken as a whole, or would reasonably be
expected to cause a Material Adverse Change.

6.2     FINANCIAL STATEMENTS, REPORTS, CERTIFICATES.

        (a)     The Company will deliver to Bank: (i) as soon as available, but
no later than fifty (50) days after the last day of each of the Company's fiscal
quarters (other than the fiscal quarter that ends its fiscal year), a company
prepared quarterly financial statement including a consolidated balance sheet
and income statement covering Borrowers' consolidated operations during the
period certified by a Responsible Officer; (ii) as soon as available, but no
later than one hundred twenty (120) days after the last day of the Company's
fiscal year, audited consolidated financial statements prepared under GAAP,
consistently applied, together with an unqualified opinion on the financial
statements from an independent certified public accounting firm acceptable to
Bank; (iii) a prompt report of any legal actions pending or threatened against
any Borrower or any Subsidiary that could result in damages or costs to any
Borrower or any Subsidiary in excess of $3,000,000 or which could result in a
Material Adverse Change; (iv) on or before Mach 15, 2003, projections for fiscal
year 2004 acceptable to Bank in its reasonable discretion (the "2004
Projections"); and (v) budgets, sales projections, operating plans or other
financial information Bank reasonably requests. In lieu of items (a)(i) and
(a)(ii) above, Company may deliver to Bank, Company's 10-Q and 10-K along with
the unqualified opinion described above, as applicable, within the time frame
described above for delivering such financial statements.

        (b)     Within fifty (50) days after the last day of each of the
Company's fiscal quarters, the Company will deliver to Bank with the quarterly
financial statements a Compliance Certificate signed by a Responsible Officer in
the form of Exhibit B.

        (c)     Each document required to be delivered pursuant to paragraphs
(a) and (b) of this Section 6.2 shall be deemed to have been delivered on the
date on which the Company posts such document on the Company's website on the
Internet at the website address listed on the Schedule, or when such document is
posted on the Securities and Exchange Commission's website at www.sec.gov;
provided that (i) if the Bank so requests, the Company shall deliver paper
copies of all such documents to the Bank until the Bank requests that the
Company cease delivering such paper copies and (ii) the Company shall notify the
Bank by facsimile of the posting of each such document.

6.3     FINANCIAL COVENANTS.

        Borrowers will maintain as of the last day of each fiscal quarter:

        (a)     Quick Ratio. A ratio of (i) Quick Assets to (ii) Current
Liabilities, plus long term Indebtedness to Bank and outstanding Letters of
Credit minus deferred revenue of at least 2.00 to 1.00.

        (b)     Tangible Net Worth. A Tangible Net Worth of at least
$155,000,000 as of November 30, 2002, $150,000,000 as of February 28, 2003; and
thereafter at such levels as agreed to by Bank based on the Company's 2004
Projections.

6.4     TAXES.

        Each Borrower will make, and cause each Subsidiary to make, timely
payment of all material federal, state, and local taxes or assessments (other
than taxes and assessments which Borrowers are contesting in good faith, with
adequate reserves maintained in accordance with GAAP) and will deliver to Bank,
on demand, appropriate certificates attesting to the payment.

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6.5     INSURANCE.

        Each Borrower will keep its business and the Collateral insured for
risks and in amounts standard for Borrower's industry, and as Bank may
reasonably request. Insurance policies will be in a form, with companies, and in
amounts that are satisfactory to Bank in Bank's reasonable discretion. At Bank's
request, Borrower will deliver certified copies of policies and evidence of all
premium payments. Proceeds payable under any policy will, at Bank's option, be
payable to Bank on account of the Obligations.

6.6     DEPOSIT ACCOUNTS.

        Borrowers will at all times, maintain not less than $70,000,000 on
deposit with Bank and/or any Bank Affiliate.

6.7     JOINDER OF MATERIAL SUBSIDIARIES.

        Each Borrower shall cause all Material Subsidiaries which is not then a
Borrower under this Loan Agreement to deliver to Bank, within twenty (20) days
of the formation of such Material Subsidiary, an Additional Borrower Joinder
Supplement in substantially the form attached hereto as Exhibit D pursuant to
which (a) it shall join as a Borrower under each of the Loan Documents to which
the Borrowers are parties, and (b) after any Lien Effective Date to encumber its
Collateral and/or the Deposit Accounts, to secure the Obligations, free and
clear of all Liens, other than Permitted Liens.

6.8     FURTHER ASSURANCES.

        Each Borrower will execute any further instruments and take further
action as Bank reasonably requests to effect the purposes of this Agreement.

7       NEGATIVE COVENANTS

        No Borrower will do any of the following without Bank's prior written
consent, for so long as Bank has an obligation to make Credit Extensions or
there are any outstanding Obligations:

7.1     DISPOSITIONS.

        Convey, sell, lease, transfer or otherwise dispose of (collectively
"Transfer"), or permit any of its Subsidiaries to Transfer, all or any material
part of its assets (including, any Transfer to another Borrower for which Bank
has not filed a financing statement on such Borrower with respect to such
assets), except for the sale of Inventory or the non-exclusive and/or exclusive
licensing of its Intellectual Property in the ordinary course of business.

7.2     CHANGES IN BUSINESS, OWNERSHIP, MANAGEMENT OR BUSINESS LOCATIONS.

        Engage in or permit any of its Subsidiaries to engage in any business
other than the businesses currently engaged in by Borrower or reasonably related
thereto or have a material change in its Senior Management, unless such senior
management is replaced with an individual or individuals with comparable
experience and qualifications in Borrower's good faith business judgment within
120 days; or any Person or group of Persons acting in concert shall acquire more
thirty five percent (35%) (other than by the sale of Borrower's equity
securities in a public offering or to venture capital investors so long as
Borrower identifies and advises Bank of the venture capital investors prior to
the closing of the investment), except where (i) no Event of Default has
occurred and is continuing or would result from such action during the term of
this Agreement and (ii) Borrowers remain in compliance with Section 6.3 hereof
following any such transaction. No Borrower will, without at least thirty (30)
days prior written

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notice, change its state of formation, or change the locations where a material
part of its assets are located as set forth in the Schedule or as previously
disclosed to Bank.

7.3     MERGERS OR ACQUISITIONS.

        Merge or consolidate, or permit any of its Material Subsidiaries to
merge or consolidate, with any other Person, or acquire, or permit any of its
Subsidiaries to acquire, all or substantially all of the capital stock or
property of another Person (a "Target"), except (a) a Subsidiary may merge or
consolidate into another Subsidiary or into any Borrower (b) in connection with
a Permitted Acquisition (as hereinafter defined). Borrower may acquire by
merger, stock purchase, asset purchase or otherwise, all or substantially all
the assets of any Person or make any investments in any such Person (each a
"Permitted Acquisition" and collectively, the "Permitted Acquisitions") during
the existence of this Agreement without Bank's consent, provided, however, that
each of the following conditions precedent are in satisfied:

        (i)     After giving effect to such Permitted Acquisition, Borrower
shall continue to be in compliance with the financial covenants set forth in
Section 6.3 hereof;

        (ii)    The net cash consideration (after adding any cash and cash
equivalents to be acquired through the acquisition of the Target) for any single
Permitted Acquisition does not exceed Fifteen Million Dollars ($15,000,000) and
the aggregate cash consideration of all Permitted Acquisitions within a single
fiscal year does not exceed Thirty Million Dollars ($30,000,000) (the
"Acquisition Cap");

        (iii)   The Person being acquired ("Target") is a going concern;

        (iv)    With respect to any Permitted Acquisitions financed with the
Company's equity, the number of the shares of the Company's common stock issued
as consideration for any single Permitted Acquisition does not exceed twenty
percent (20%) of the number of the shares of the Company's issued and
outstanding common stock on the closing date of such Permitted Acquisition

        (v)     After giving affect to the Permitted Acquisition, the Borrowers'
current Senior Management remains actively involved in the ongoing business of
each Borrower (subject to changes in Senior Management permitted by Section 7.2
hereof); and

        (vi)    After giving affect to the Permitted Acquisition, there shall
not exist any Event of Default under this Agreement or any of the Loan
Documents.

For purposes hereof, only cash consideration incurred in connection with each
Permitted Acquisition (not the value of non-compete agreements and the value of
assets, stock, warrants, or other property transferred, pledged or given in
connection with any Permitted Acquisition) shall be included in the calculation
of the Acquisition Cap, if such Target is a Material Subsidiary.

Upon completion of each Permitted Acquisition, Borrowers shall at Borrowers'
expense, cause each Target which is organized in the United States to be added
as a co-obligor on this Agreement and the Loan Documents.

7.4     INDEBTEDNESS.

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

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7.5     ENCUMBRANCE.

        Create, incur, or allow any Lien on its assets, or permit any of its
Subsidiaries to do so, or permit any of its assets to be subject to any Lien,
other than Permitted Liens or as permitted in the Negative PLEDGE Agreement.

7.6     DISTRIBUTIONS; INVESTMENTS.

        Except as otherwise permitted under Section 7.3, directly or indirectly
acquire or own any Person, or make any Investment in any Person, other than
Permitted Investments, or permit any of its Subsidiaries to do so. Pay any
dividends or make any other distribution or payment on account of its capital
stock or redeem, retire or purchase any capital stock, except where (i) no Event
of Default has occurred and is continuing or would result from such action
during the term of this Agreement and (ii) and Borrowers remain in compliance
with Section 6.3 hereof following any such transaction.

7.7     TRANSACTIONS WITH AFFILIATES.

        Directly or indirectly enter into or permit to exist any material
transaction with any Affiliate of any Borrower except for transactions that are
in the ordinary course of such Borrower's business, upon fair and reasonable
terms that are no less favorable to such Borrower than would be obtained in an
arm's length transaction with a nonaffiliated Person.

7.8     SUBORDINATED DEBT.

        Amend any provision in any document relating to the Subordinated Debt
without Bank's prior written consent or make principal payments on the
Subordinated Debt in excess of Ten Million Dollars ("Permitted Subdebt
Payments") in any fiscal year, provided that Permitted Subdebt Payments may only
be made if at the time of such payment Borrowers have an Adjusted Net Profit of
not less than One Dollar ($1.0) for two (2) consecutive fiscal quarters, and
further provided that at the time and after giving effect to such Permitted
Subdebt Payments no Event of Default shall occur under any Loan Document.

7.9     INDENTURE AND OTHER SENIOR INDEBTEDNESS.

        Borrowers will not allow any other Senior Indebtedness (as such term is
defined in the Indenture) to a single Person to at any time exceed the Committed
Revolving Line.

7.10    COMPLIANCE.

        Become an "investment company" or a company controlled by an "investment
company," under the Investment Company Act of 1940 or undertake as one of its
important activities extending credit to purchase or carry margin stock, or use
the proceeds of any Credit Extension for that purpose; fail to meet the minimum
funding requirements of ERISA, permit a Reportable Event or Prohibited
Transaction, as defined in ERISA, to occur; fail to comply with the Federal Fair
Labor Standards Act or violate any other law or regulation, if the violation
could reasonably be expected to have a material adverse effect on any Borrower's
business or operations or would reasonably be expected to cause a Material
Adverse Change, or permit any of its Subsidiaries to do so.

8       EVENTS OF DEFAULT

        Any one of the following is an Event of Default:

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8.1     PAYMENT DEFAULT.

        If Borrowers fail to pay any of the Obligations when due and such
failure shall continue for three (3) Business Days. During the additional time,
the failure to cure the default is not an Event of Default (but no Credit
Extensions will be made during the cure period);

8.2     COVENANT DEFAULT.

        (a)     If any Borrower does not perform any obligation in Section 6.3
or violates any covenant in Section 7; or

        (b)     If any Borrower does not perform or observe any other material
term, condition or covenant in this Agreement, any Loan Documents, or in any
agreement between any Borrower and Bank; and in each such case, as to any
default under a term, condition or covenant that can be cured, has not cured the
default within fifteen (15) days from the earlier of (i) notice from Bank of
such default to a Responsible Officer of the Company or (ii) actual knowledge of
such default by an officer of any Borrower, provided, however, if the default
cannot be cured within fifteen (15) days or cannot be cured after the defaulting
Borrower's attempts within such fifteen (15) day period, and the default may be
cured within a reasonable time, then the defaulting Borrower has an additional
period (of not more than thirty (30) days) to attempt to cure the default.
During the additional time, the failure to cure the default is not an Event of
Default (but no Credit Extensions will be made during the cure period);

8.3     MATERIAL ADVERSE CHANGE.

        If there a Material Adverse Change.

8.4     ATTACHMENT.

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

8.5     INSOLVENCY.

        If any Borrower becomes insolvent or if any Borrower begins an
Insolvency Proceeding or an Insolvency Proceeding is begun against any Borrower
and not dismissed or stayed within forty-five (45) days (but no Credit
Extensions will be made before any Insolvency Proceeding is dismissed);

8.6     OTHER AGREEMENTS.

        If there is a default in any agreement between any Borrower and any
third party that gives the third party the right to accelerate any Indebtedness
exceeding $3,000,000 or that could cause a Material Adverse Change;

8.7     OTHER BANK AGREEMENTS.

        If there is a Event of Default in any agreement between any Borrower and
Bank that gives Bank the right to accelerate any Indebtedness or that could
cause a Material Adverse Change;

                                       11
<PAGE>

8.8     JUDGMENTS.

        If a money judgment(s) in the aggregate of at least $3,000,000 is
rendered against any Borrower and is unsatisfied and unstayed for 10 days (but
no Credit Extensions will be made before the judgment is stayed or satisfied);

8.9     MISREPRESENTATIONS.

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

8.10    MATERIAL SUBSIDIARIES.

        Any circumstance described in Sections 8.4, 8.5 or 8.7 occurs to any
Material Subsidiary of any Borrower.

9       BANK'S RIGHTS AND REMEDIES

9.1     RIGHTS AND REMEDIES.

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

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

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

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

        (d)     Exercise a right of set off or bank lien as to any monies of any
Borrower deposited in any accounts of any nature maintained by any Borrower with
Bank or any Affiliate of Bank, without advance notice, regardless of whether
such accounts are general or special (other than accounts specifically titled as
an escrow account). Each Borrower, Bank and any Affiliate of Bank at which any
such accounts are maintained agree that such Affiliate shall comply with any
instructions given by Bank with respect to the disposition of funds held in any
such account without further consent of any Borrower;

        (e)     Exercise any rights or remedies under the Security Agreement
after the Lien Effective Date with respect to the Collateral;

        (f)     Exercise any rights or remedies under the Account Control
Agreement after the Lien Effective Date with respect to the Deposit Accounts;
and

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

9.2     OMITTED.

9.3     OMITTED.

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<PAGE>

9.4     BANK EXPENSES.

        If any Borrower fails to pay any amount or furnish any required proof of
payment to third persons, Bank may make all or part of the payment or obtain
insurance policies required in Section 6.5, and take any action under the
policies Bank deems prudent. Any amounts paid by Bank are Bank Expenses and
immediately due and payable, bearing interest at the then applicable rate and to
the extent applicable under Section 4.2, secured by the Collateral and/or the
Deposit Accounts. No payments by Bank are deemed an agreement to make similar
payments in the future or Bank's waiver of any Event of Default.

9.5     OMITTED.

9.6     REMEDIES CUMULATIVE.

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

9.7     DEMAND WAIVER.

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

10      NOTICES

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

11      CHOICE OF LAW , VENUE AND JURY TRIAL WAIVER

        Virginia law governs the Loan Documents without regard to principles of
conflicts of law. Each Borrower and Bank each submit to the exclusive
jurisdiction of the State and Federal courts in the Commonwealth of Virginia
provided, however, that if for any reason the Bank can not avail itself of the
courts of the Commonwealth of Virginia, the Borrower and Bank each submit to the
jurisdiction of the State and Federal Courts in Santa Clara County, California.

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

12      GENERAL PROVISIONS

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12.1    SUCCESSORS AND ASSIGNS.

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

12.2    INDEMNIFICATION.

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

12.3    TIME OF ESSENCE.

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

12.4    SEVERABILITY OF PROVISION.

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

12.5    AMENDMENTS IN WRITING, INTEGRATION.

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

12.6    COUNTERPARTS.

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

12.7    SURVIVAL.

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

12.8    CONFIDENTIALITY.

        In handling any confidential information, Bank will exercise the same
degree of care that it exercises for its own proprietary information, but
disclosure of information may be made (i) to Bank's subsidiaries or affiliates
in connection with their business with Borrowers, (ii) to prospective
transferees or

                                       14
<PAGE>

purchasers of any interest in the loans (provided, however, Bank shall use
commercially reasonable efforts in obtaining such prospective transferee or
purchasers agreement of the terms of this provision), (iii) as required by law,
regulation, subpoena, or other order, (iv) as required in connection with Bank's
examination or audit and (v) as Bank considers appropriate exercising remedies
under this Agreement. Confidential information does not include information that
either: (a) is in the public domain or in Bank's possession when disclosed to
Bank, or becomes part of the public domain after disclosure to Bank; or (b) is
disclosed to Bank by a third party, if Bank does not know that the third party
is prohibited from disclosing the information.

12.9    TERMINATION.

        Borrowers shall have the right at any time after the Closing Date, to
terminate this Agreement upon not less than three (3) Business Days notice to
Bank, provided, however, at or prior to the time of such termination: (i) all
outstanding Obligations have been repaid in full; and (ii) Borrowers have fully
secured all outstanding Obligations for Letters of Credit by cash or other
liquid assets acceptable to Bank and executed and delivered to Bank such
documents, agreement and instruments as Bank may deem necessary or prudent in
the exercise of its reasonable discretion to perfect a lien on such cash or
liquid assets.

12.10   ATTORNEYS' FEES, COSTS AND EXPENSES.

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

13      DEFINITIONS

13.1    DEFINITIONS.

        In this Agreement:

        "ACCOUNT CONTROL AGREEMENT" means that certain Account Control Agreement
in the form of Exhibit C attached hereto, together with all renewals,
amendments, modifications and substitutions, therefore.

        "ADJUSTED NET PROFIT" is the net income of the Company and its
consolidated Subsidiaries, excluding charges associated with the amortization of
acquired technology, amortization of intangibles, restructuring and impairment
charges, purchased research and development charges associated with
acquisitions, non-cash stock compensation expense (benefit) and charges to
record valuation allowances against deferred tax assets, together with related
income tax effects.

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

        "ADVANCE" or "ADVANCES" is a loan advance (or advances) under the
Committed Revolving Line.

        "AFFILIATE" of a Person is a Person that owns or controls directly or
indirectly the Person, any Person that controls or is controlled by or is under
common control with the Person, and each of that

                                       15
<PAGE>

Person's senior executive officers, directors, partners and, for any Person that
is a limited liability company, that Person's managers and members.

        "BANK AFFILIATES" means any Affiliate of Bank, including, without
limitation, SVB Securities, a division of Alliant Partners, and Banc of America
Broker Dealer Services, a division of Banc of America Securities LLC.

        "BANK EXPENSES" are all audit fees and expenses and reasonable costs and
expenses (including reasonable attorneys' fees and expenses) for preparing,
negotiating, administering (except for administrative expenses incurred in the
ordinary course or where such administration does not result in out-of-pocket
expenses), defending and enforcing the Loan Documents (including appeals or
Insolvency Proceedings).

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

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

        "CLOSING DATE" is the date of this Agreement.

        "CODE" is the Uniform Commercial Code, in effect in the Commonwealth of
Virginia as of the Closing Date.

        "COLLATERAL" is the property described in the Security Agreement and all
references in this Agreement and in any other Loan Document to "Collateral"
shall be deemed effective, whether or not the Security Agreement is currently in
effect.

        "COMMITTED REVOLVING LINE" is a Credit Extension of up to Twenty Million
Dollars ($20,000,000).

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

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

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

        "CURRENT ASSETS" are amounts that under GAAP should be included on that
date as current assets on Company's consolidated balance sheet.

                                       16
<PAGE>

        "CURRENT LIABILITIES" are the aggregate amount of Borrowers' Total
Liabilities which mature within one (1) year.

        "DEPOSIT ACCOUNTS" has the meaning set forth in Section 4.1(b).

        "EQUIPMENT" has the meaning set forth in the Code and includes all
present and future machinery, equipment, tenant improvements, furniture,
fixtures, vehicles, tools, parts and attachments in which any Borrower has any
interest.

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

        "FINANCIAL COVENANT DEFAULT" means the occurrence of any default under
Section 6.3 of this Agreement.

        "GAAP" is generally accepted accounting principles.

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

        "INDENTURE" is defined in Section 5.6.

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

        "INTELLECTUAL PROPERTY" is:

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

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

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

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

        (e)     All Proceeds and products of the foregoing, including all
insurance, indemnity or warranty payments.

        "INVENTORY" has the meaning set forth in the Code and includes is
present and future inventory in which any Borrower has any interest, including
merchandise, raw materials, parts, supplies, packing and shipping materials,
work in process and finished products intended for sale or lease or to be
furnished under a contract of service, of every kind and description now or
later owned by or in the custody or possession, actual or constructive, of any
Borrower, including inventory temporarily out of its custody or possession or in
transit and including returns on any accounts or other Proceeds from the sale or
disposition of any of the foregoing and any documents of title.

                                       17
<PAGE>

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

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

        "LIEN EFFECTIVE DATE" is defined in Section 4.1.

        "LETTER OF CREDIT" is defined in Section 2.2.

        "LOAN DOCUMENTS" are, collectively, this Agreement, the Revolving
Promissory Note, the Security Agreement, the Negative Pledge Agreement, any
note, or notes or guaranties executed by any Borrower and any other present or
future agreement between any Borrower and/or for the benefit of Bank in
connection with this Agreement, all as amended, extended or restated. In
addition, at all times after an Event of Default, the term "Loan Documents"
shall also include the Account Control Agreement and at all times after the Lien
Effective Date, the term "Loan Documents" shall include the Security Agreement.

        "MATERIAL ADVERSE CHANGE" means (i) if there occurs a material adverse
change in the business, operations, or condition (financial or otherwise) of the
Company and its Subsidiaries taken as a whole, or (ii) is a material impairment
of the prospect of repayment of any portion of the Obligations or (iii) at any
time that Bank has a Lien or security interest in the Collateral and/or the
Deposit Accounts, a material impairment of the value or priority of Bank's
security interests and/or Lien in the Collateral or the Deposit Accounts.

        "MATERIAL SUBSIDIARY" means any Subsidiary now or hereafter existing,
that owns assets with an aggregate book value exceeding 5% of the aggregate book
value of the consolidated total assets of the Company and its consolidated
Subsidiaries taken as a whole, in each case, as measured as of the last day of
the most recently completed fiscal quarter for which financial statements have
been delivered pursuant to Section 6.2, or (ii) has generated revenue during the
most recently completed four fiscal quarter period exceeding 5% of the aggregate
consolidated revenue generated by the Company and its Subsidiaries during the
most recently completed four fiscal quarter period for which financial
statements have been delivered pursuant to Section 6.2 .

        "NEGATIVE PLEDGE AGREEMENT" means that certain Negative Pledge Agreement
of even date herewith among the Borrowers and the Bank, and as amended, extended
and restated.

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

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

        "PERMITTED INDEBTEDNESS" is:

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

        (b)     Indebtedness existing on the Closing Date and shown on the
Schedule and any Indebtedness hereafter incurred for the purpose of refinancing
such existing Indebtedness, provided the principal amount of such Indebtedness
does not increase as a result of such refinancing (it being understood that the
Indebtedness permitted under this clause shall be in addition to the
Indebtedness permitted under any of the other clauses of this definition of
Permitted Indebtedness);

                                       18
<PAGE>

        (c)     Subordinated Debt;

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

        (e)     Unsecured Indebtedness of the Company and certain of its
Subsidiaries in the maximum aggregate principal amount of Ten Million Dollars
($10,000,000), provided the maturity date of all such Indebtedness is not less
than one hundred eighty (180) days after the Revolving Maturity Date;

        (f)     Indebtedness under capital leases and purchase money obligations
provided such Indebtedness does not exceed Fifteen Million Dollars ($15,000,000)
in the aggregate for all Borrowers;

        (g)     Guaranty obligations of the Company or any Subsidiary in respect
of Indebtedness otherwise permitted hereunder of the Company or any Subsidiary;
and

        (h)     Indebtedness not otherwise permitted under subsections (a)
through (g) above to the extent that such Indebtedness does not exceed Ten
Million Dollars ($10,000,000) in the aggregate for all Borrowers.

        "PERMITTED INVESTMENTS" are:

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

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

        (c)     Investments made in accordance with any investment policy
approved by the Company's Board of Directors.

        "PERMITTED LIENS" are:

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

        (b) Liens for taxes, fees, assessments or other government charges or
levies, either not delinquent or being contested in good faith and for which a
Borrower maintains adequate reserves on its Books;

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

        (d) Licenses or sublicenses granted in the ordinary course of a
Borrower's business and any interest or title of a licensor or under any license
or sublicense;

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

                                       19
<PAGE>

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

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

        "PROCEEDS" has the meaning described in the Code as in effect from time
to time.

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

        "QUICK ASSETS" is, on any date, all unrestricted cash and cash
equivalents of the Company and its consolidated Subsidiaries held at Bank or at
a Bank Affiliate, plus all net accounts receivables of the Company and its
consolidated Subsidiaries determined according to GAAP.

        "REGISTERED ORGANIZATION" means an organization organized solely under
the law of a single state or the United States and as to which the state or the
United States must maintain a public record showing the organization to have
been organized.

        "RESPONSIBLE OFFICER" is each of the chief executive officer, the
president, the chief financial officer and the chief accounting officer, the
treasurer or the assistant treasurer of either Borrower.

        "REVOLVING MATURITY DATE" is January 13, 2004.

        "REVOLVING PROMISSORY NOTE" means that certain Revolving Promissory Note
of even date herewith in the maximum principal amount of Twenty Million Dollars
($20,000,000) from Borrowers in favor of Bank, together with all renewals,
amendments, modifications and substitutions, therefor.

        "SECURITY AGREEMENT" means that certain Security Agreement in the form
of Exhibit B attached hereto, together with all renewals, amendments,
modifications and substitutions, therefore.

        "SENIOR MANAGEMENT" is each of the following persons the Chief Executive
Officer, Chief Financial Officer and Senior Vice President and General Counsel.

        "SUBORDINATED DEBT" is indebtedness under the Notes issued pursuant to
the Indenture, and any other debt incurred by any Borrower subordinated to
Borrowers' indebtedness owed to Bank and which is reflected in a written
agreement in a manner and form acceptable to Bank and approved by Bank in
writing.

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

        "TANGIBLE NET WORTH" is, on any date, the total assets of Company and
its consolidated Subsidiaries minus, (i) any amounts attributable to (a)
goodwill and (b) intangible items such as unamortized debt discount and expense,
Patents, trade and service marks and names, Copyrights and capitalized software
costs; and (ii) Total Liabilities.

        "TOTAL LIABILITIES" is on any day, obligations that should, under GAAP,
be classified as liabilities of the Company and its consolidated Subsidiaries,
including all Indebtedness, and the current portion Subordinated Debt, if any,
that Borrowers are allowed to pay under Section 7.8 hereof, but only to the

                                       20
<PAGE>

extent the Borrowers have notified Bank in writing that they plan to make such a
payment, but excluding all other Subordinated Debt.

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

                    [Signatures appear on the following page]

                                       21
<PAGE>

BORROWERS:

MANUGISTICS GROUP, INC.

By: /s/ Raghavan Rajaji
    ----------------------------------------
    Name: Raghavan Rajaji
    Title: Chief Financial Officer

MANUGISTICS, INC.

By: /s/ Raghavan Rajaji
    ----------------------------------------
    Name: Raghavan Rajaji
    Title: Chief Financial Officer

MANUGISTICS ATLANTA, INC.

By: /s/ Raghavan Rajaji
    ----------------------------------------
    Name: Raghavan Rajaji
    Title: President

BANK:

SILICON VALLEY BANK

By: /s/ Megan Scheffel
    ----------------------------------------
    Name: Megan Scheffel
    Title: VP<PAGE>

                            REVOLVING PROMISSORY NOTE

$20,000,000                                                     Reston, Virginia
                                                                January 14, 2003

        FOR VALUE RECEIVED, MANUGISTICS GROUP, INC., a corporation organized
under the laws of the State of Delaware (the "Company"), MANUGISTICS, INC., a
corporation organized under the laws of the State of Delaware and MANUGISTICS
ATLANTA, INC., a corporation organized under the laws of the State of Delaware
(each a "Borrower" and collectively, the "Borrowers") jointly and severally
promise to pay to the order of SILICON VALLEY BANK, a California-chartered bank
doing business in Virginia as "Silicon Valley East" ("Bank"), at such place as
the holder hereof may designate, in lawful money of the United States of
America, the aggregate unpaid principal amount of all advances ("Advances") made
by Bank to any Borrower in accordance with the terms and conditions of the Loan
Agreement among Borrowers and Bank of even date herewith (as amended from time
to time (the "Loan Agreement"), up to a maximum principal amount of Twenty
Million Dollars ($20,000,000) ("Principal Sum"), or so much thereof as may be
advanced or readvanced and remains unpaid. Borrowers shall also pay interest on
the aggregate unpaid principal amount of such Advances, as follows:

        Commencing as of the date hereof and continuing until repayment in full
of all sums due hereunder, the unpaid Principal Sum shall bear interest at the
variable rate of interest, per annum, most recently announced by Bank as its
"prime rate," whether or not such announced rate is the lowest rate available
from Bank (the "Prime Rate"), plus one half of one percent (.50%) per annum. The
rate of interest charged under this Note shall change immediately and
contemporaneously with any change in the Prime Rate. All interest payable under
the terms of this Note shall be calculated on the basis of a 360-day year and
the actual number of days elapsed.

        The unpaid Principal Sum, together with interest thereon at the rate or
rates provided above, shall be payable as follows:

                (a)     Interest only on the unpaid principal amount shall be
due and payable monthly in arrears, commencing February 5, 2003, and continuing
on the fifth (5th) day of each calendar month thereafter to maturity; and

                (b)     Unless sooner paid, the unpaid Principal Sum, together
with interest accrued and unpaid thereon, shall be due and payable in full on
the Revolving Maturity Date.

<PAGE>

        The fact that the balance hereunder may be reduced to zero from time to
time pursuant to the Loan Agreement will not affect the continuing validity of
this Note or the Loan Agreement, and the balance may be increased to the
Principal Sum after any such reduction to zero.

        Each Borrower hereby represents, agrees and covenants that the
Obligations evidenced hereby are deemed "Designated Senior Indebtedness" for
purposes of that certain Indenture between the Company and State Street Bank and
Trust Company dated October 20, 2000, as the same may be amended, restated or
otherwise modified from time to time.

        This Note is the "Revolving Promissory Note" described in the Loan
Agreement, to which reference is hereby made for a more complete statement of
the terms and conditions under which the Advances and Credit Extensions
evidenced hereby are made. This Note may be secured as provided in the Loan
Agreement. All capitalized terms used herein and not otherwise defined shall
have the meanings given to such terms in the Loan Agreement.

        Each Borrower irrevocably waives the right to direct the application of
any and all payments at any time hereafter received by Bank from or on behalf of
any Borrower and each Borrower irrevocably agrees that Bank shall have the
continuing exclusive right to apply any and all such payments against the then
due and owing obligations of either Borrower as Bank may deem advisable. In the
absence of a specific determination by Bank with respect thereto, all payments
shall be applied in the following order: (a) then due and payable fees and
expenses; (b) then due and payable interest payments and mandatory prepayments;
and (c) then due and payable principal payments and optional prepayments.

        Bank is hereby authorized by each Borrower to endorse on Bank's books
and records each Advance made by Bank under this Note and the amount of each
payment or prepayment of principal of each such Advance received by Bank; it
being understood, however, that failure to make any such endorsement (or any
error in notation) shall not affect the joint and several obligations of each
Borrower with respect to Advances made hereunder, and payments of principal by
any Borrower shall be credited to Borrowers notwithstanding the failure to make
a notation (or any errors in notation) thereof on such books and records.

        The occurrence of any one or more of the following events shall
constitute an event of default (individually, an "Event of Default" and
collectively, the "Events of Default") under the terms of this Note:

                (a)     The failure of either Borrower to pay to Bank within
three (3) Business Days of when due any and all amounts payable by either
Borrower to Bank under the terms of this Note; or

                                       2
<PAGE>

                (b)     The occurrence of an Event of Default (as defined
therein) under the terms and conditions of any of the other Loan Documents.

        Upon the occurrence of an Event of Default, at the option of Bank, all
amounts payable by either Borrower to Bank under the terms of this Note shall
immediately become due and payable by Borrowers to Bank without notice to any
Borrower or any other Person, and Bank shall have all of the rights, powers, and
remedies available under the terms of this Note, any of the other Loan Documents
and all applicable laws. Each Borrower and all endorsers, guarantors, and other
parties who may now or in the future be primarily or secondarily liable for the
payment of the indebtedness evidenced by this Note hereby severally waive
presentment, protest and demand, notice of protest, notice of demand and of
dishonor and non-payment of this Note and expressly agree that this Note or any
payment hereunder may be extended from time to time without in any way affecting
the joint and several liability of Borrowers, guarantors and endorsers.

        Until such time as Bank is not committed to extend further credit to the
Borrowers and all Obligations of the Borrowers to Bank have been indefeasibly
paid in full in cash, and subject to and not in limitation of the provisions set
forth in the next following paragraph below, no Borrower shall have any right of
subrogation (whether contractual, arising under the bankruptcy code or
otherwise), reimbursement or contribution from any Borrower or any guarantor,
nor any right of recourse to its security for any of the debts and obligations
of any Borrower which are the subject of this Note. Except as otherwise
expressly permitted by the Loan Agreement, any and all present and future debts
and obligations of any Borrower to any other Borrower are hereby subordinated to
the full payment and performance of all present and future debts and obligations
to Bank under this Note and the Loan Agreement and the Loan Documents, provided,
however, notwithstanding anything set forth in this Note to the contrary, prior
to the occurrence of a payment default, the Borrowers shall be permitted to make
payments on account of any of such present and future debts and obligations from
time to time in accordance with the terms thereof.

        Each Borrower further agrees that, if any payment made by any Borrower
or any other person is applied to this Note and is at any time annulled, set
aside, rescinded, invalidated, declared to be fraudulent or preferential or
otherwise required to be refunded or repaid, or the proceeds of any property
hereafter securing this Note is required to be returned by Bank to any Borrower,
its estate, trustee, receiver or any other party, including, without limitation,
such Borrower, under any bankruptcy law, state or federal law, common law or
equitable cause, then, to the extent of such payment or repayment, such
Borrower's liability hereunder (and any lien, security interest or other
collateral securing such liability) shall be and remain in full force and
effect, as fully as if such payment had never been made, or, if prior thereto
any such lien, security interest or other collateral hereafter securing such
Borrower's liability hereunder shall have been

                                       3
<PAGE>

released or terminated by virtue of such cancellation or surrender, this Note
(and such lien, security interest or other collateral) shall be reinstated in
full force and effect, and such prior cancellation or surrender shall not
diminish, release, discharge, impair or otherwise affect the obligations of such
Borrower in respect of the amount of such payment (or any lien, security
interest or other collateral securing such obligation).

        The JOINT AND SEVERAL obligations of each Borrower under this Note shall
be absolute, irrevocable and unconditional and shall remain in full force and
effect until the outstanding principal of and interest on this Note and all
other Obligations or amounts due hereunder and under the Loan Agreement and the
Loan Documents shall have been indefeasibly paid in full in cash in accordance
with the terms thereof and this Note shall have been canceled.

        The Borrowers each shall be jointly and severally liable on the payment
of the Obligations as and when due and payable in accordance with the provisions
of this Note, the Loan Agreement and the other Loan Documents. The term
"Borrowers" when used in this Note shall include all of the Borrowers,
individually and jointly, and Bank may (without notice to or consent of any or
all of the Borrowers and with or without consideration) release, compromise,
settle with, proceed against any or all of the Borrowers without affecting,
impairing, lessening or releasing the obligations of the other Borrower
hereunder.

        Each Borrower promises to pay all costs and expense of collection of
this Note and to pay all reasonable attorneys' fees incurred in such collection,
whether or not there is a suit or action, or in any suit or action to collect
this Note or in any appeal thereof. Each Borrower waives presentment, demand,
protest, notice of protest, notice of dishonor, notice of nonpayment, and any
and all other notices and demands in connection with the delivery, acceptance,
performance default or enforcement of this Note, as well as any applicable
statutes of limitations. No delay by Bank in exercising any power or right
hereunder shall operate as a waiver of any power or right. Time is of the
essence as to all obligations hereunder.

        This Note is issued pursuant to the Loan Agreement, which shall govern
the rights and obligations of Borrowers with respect to all obligations
hereunder.

        Each Borrower acknowledges and agrees that this Note shall be governed
by the laws of the Commonwealth of Virginia, excluding conflicts of laws
principles, even though for the convenience and at the request of Borrowers,
this Note may be executed elsewhere.

        EACH BORROWER ACCEPTS FOR ITSELF AND IN CONNECTION WITH ITS PROPERTIES,
UNCONDITIONALLY, THE NON-EXCLUSIVE JURISDICTION OF ANY STATE OR FEDERAL COURT OF
COMPETENT JURISDICTION IN THE COMMONWEALTH OF VIRGINIA IN ANY ACTION, SUIT, OR
PROCEEDING OF ANY

                                       4
<PAGE>

KIND, AGAINST IT WHICH ARISES OUT OF OR BY REASON OF THIS AGREEMENT; PROVIDED,
HOWEVER, THAT IF FOR ANY REASON BANK CANNOT AVAIL ITSELF OF THE COURTS OF
VIRGINIA, EACH BORROWER ACCEPTS JURISDICTION OF THE COURTS AND VENUE IN SANTA
CLARA COUNTY, CALIFORNIA. BORROWERS AND BANK EACH HEREBY WAIVE THEIR RESPECTIVE
RIGHTS TO A JURY TRIAL OF ANY CLAIM OR CAUSE OF ACTION BASED UPON OR ARISING OUT
OF ANY OF THE LOAN DOCUMENTS OR ANY OF THE TRANSACTIONS CONTEMPLATED THEREIN,
INCLUDING CONTRACT CLAIMS, TORT CLAIMS, BREACH OF DUTY CLAIMS, AND ALL OTHER
COMMON LAW OR STATUTORY CLAIMS. EACH PARTY RECOGNIZES AND AGREES THAT THE
FOREGOING WAIVER CONSTITUTES A MATERIAL INDUCEMENT FOR IT TO ENTER INTO THIS
AGREEMENT. EACH PARTY REPRESENTS AND WARRANTS THAT IT HAS REVIEWED THIS WAIVER
WITH ITS LEGAL COUNSEL AND THAT IT KNOWINGLY AND VOLUNTARILY WAIVES ITS JURY
TRIAL RIGHTS FOLLOWING CONSULTATION WITH LEGAL COUNSEL.

                    [SIGNATURES APPEAR ON THE FOLLOWING PAGE]

                                       5
<PAGE>

        IN WITNESS WHEREOF, each Borrower has caused this Note to be executed
under seal by its duly authorized officers as of the date first written above.

WITNESS/ATTEST:                             MANUGISTICS GROUP, INC.

Susan E. Pendery                             By: /s/ Raghavan Rajaji      (SEAL)
------------------------------                 --------------------------
                                               Name: Raghavan Rajaji
                                               Title: Chief Financial Officer

WITNESS/ATTEST:                             MANUGISTICS, INC.

Susan E. Pendery                             By: /s/ Raghavan Rajaji      (SEAL)
------------------------------                 --------------------------
                                               Name: Raghavan Rajaji
                                               Title: Chief Financial Officer

WITNESS/ATTEST:                             MANUGISTICS ATLANTA, INC.

Susan E. Pendery                             By: /s/ Raghavan Rajaji      (SEAL)
------------------------------                 --------------------------
                                               Name: Raghavan Rajaji
                                               Title: President

                                       6

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