Document:

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                                                                    EXHIBIT 10.5

                                                                  EXECUTION COPY

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                          REGISTRATION RIGHTS AGREEMENT

                                      AMONG

                          CONVERGENT GROUP CORPORATION,

                           THE CONTINUING SHAREHOLDERS

                                       AND

                                  THE INVESTORS

                            (EACH AS DEFINED HEREIN)

                                 AUGUST 13, 1999

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                                TABLE OF CONTENTS

<TABLE>
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                                                                            PAGE
<S>         <C>                                                             <C>
SECTION 1.  DEFINITIONS ...................................................    1
SECTION 2.  REQUIRED REGISTRATION .........................................    4
SECTION 3.  PIGGYBACK REGISTRATION ........................................    5
SECTION 4.  REGISTRATIONS ON FORM S-3 .....................................    6
SECTION 5.  HOLDBACK AGREEMENT ............................................    6
SECTION 6.  PREPARATION AND FILING ........................................    7
SECTION 7.  EXPENSES ......................................................   10
SECTION 8.  INDEMNIFICATION ...............................................   10
SECTION 9.  UNDERWRITING AGREEMENT ........................................   13
SECTION 10. INFORMATION BY HOLDER .........................................   13
SECTION 11. EXCHANGE ACT COMPLIANCE .......................................   13
SECTION 12. MERGERS, ETC. .................................................   13
SECTION 13. NEW CERTIFICATES ..............................................   14
SECTION 14. NO CONFLICT OF RIGHTS; SELECTION OF UNDERWRITER ...............   14
SECTION 15. TERMINATION ...................................................   14
SECTION 16. MISCELLANEOUS .................................................   14
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                                                                  EXECUTION COPY

                                             REGISTRATION RIGHTS AGREEMENT dated
                                    as of August 13, 1999 among CONVERGENT GROUP
                                    CORPORATION., a Delaware corporation (the
                                    "Company"), the INVESTORS listed on Schedule
                                    I hereto and the CONTINUING SHAREHOLDERS
                                    listed on Schedule II hereto (the
                                    "Continuing Shareholders").

                  Simultaneously herewith, the Company, the Investors and the
Continuing Shareholders are consummating the transactions contemplated by the
Recapitalization Agreement. The Investors and the Continuing Shareholders are
referred to collectively as the "Shareholders" and individually as a
"Shareholder." The Shareholders own or have the right to purchase or otherwise
acquire Registrable Shares (as defined below). The Company and the Shareholders
deem it to be in their respective best interests to enter into this Agreement to
set forth the rights of the Shareholders in connection with public offerings and
sales of the Registrable Shares.

                  NOW THEREFORE, in consideration of the premises and mutual
covenants and obligations hereinafter set forth, the Company and the
Shareholders hereby agree as follows:

         SECTION 1. DEFINITIONS.

                  As used in this Agreement, the following terms have the
following meanings:

                  "Board" means the Board of Directors of the Company.

                  "Commission" means the Securities and Exchange Commission or
any other governmental body or agency succeeding to the functions thereof.

                  "Common Stock" means the common stock, $0.01 par value, of
the Company.

                  "Continuing Shareholders" has the meaning set forth in the
caption.

                  "Exchange Act" means the Securities Exchange Act of 1934, as
amended, or any successor federal statute, and the rules and regulations of the
Commission promulgated thereunder, all as the same shall be in effect from time
to time.

                  "GS" means GS Private Equity Partners II, L.P., GS Private
Equity Partners II Offshore, L.P., GS Private Equity Partners III, L.P., GS
Private Equity Partners III Offshore, L.P. and NBK/GS Private Equity Partners,
L.P.

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                  "InSight" means InSight Capital Partners III, L.P., a Delaware
limited partnership, InSight Capital Partners III (Cayman), L.P. and InSight
Capital Partners III (Co-Investors), L.P.

                  "Investors" means, collectively, InSight, UBS and GS,
including any successor to, or assignee or transferee of, any such Person who or
which agrees in writing to be treated as an Investor hereunder and to be bound
by the terms and comply with all applicable provisions hereof.

                  "Investor Shares" means all Registrable Shares held by the
Investors.

                  "Majority of Shareholders" means (i) holders of at least a
majority of the Registrable Shares then held by all Shareholders and (ii)
holders of a majority of all Investor Shares (an "Investor Majority") as such.

                  "Other Shares" means at any time those shares of Common Stock
that do not constitute Primary Shares or Registrable Shares.

                  "Person" shall be construed broadly and shall include an
individual, a partnership, a limited partnership, a corporation, an association,
a joint stock company, a limited liability company, a trust, a joint venture, an
unincorporated organization and a governmental entity or any department, agency
or political subdivision thereof.

                  "Primary Shares" means at any time the authorized but unissued
shares of Common Stock and shares of Common Stock held by the Company in its
treasury.

                  "Prospectus" means the prospectus included in a Registration
Statement, including any prospectus subject to completion, and any such
prospectus as amended or supplemented by any prospectus supplement with respect
to the terms of the offering of any portion of the Registrable Shares and, in
each case, by all other amendments and supplements to such prospectus,
including post-effective amendments, and in each case including all material
incorporated by reference therein.

                  "Public Offering" means the closing of a public offering of
Common Stock pursuant to a Registration Statement declared effective under the
Securities Act, except that a Public Offering shall not include an offering of
securities to be issued as consideration in connection with a business
acquisition or an offering of securities issuable pursuant to an employee
benefit plan.

                  "Recapitalization Agreement" means the Recapitalization
Agreement dated as of the date hereof, by and among the Company, the Investors
and the other parties thereto, as the same may be amended, supplemented or
modified from time to time.

                  "Registrable Shares" means the shares of Common Stock held by
any Shareholder which constitute Restricted Shares.

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                  "Registration Date" means the date upon which a Registration
Statement pursuant to which the Company shall have initially registered shares
of Common Stock under the Securities Act for sale in a Public Offering shall
have been declared effective by the Commission.

                  "Registration Statement" shall mean any registration statement
of the Company which covers any of the Registrable Shares and all amendments and
supplements to any such Registration Statement, including post-effective
amendments, in each case including the Prospectus contained therein, all
exhibits thereto and all material incorporated by reference therein.

                  "Required Registration" means a registration requested by a
Shareholder or group of Shareholders pursuant to Section 2.

                  "Restricted Shares" means shares of Common Stock, and includes
(i) shares of Common Stock which may be issued as a dividend or distribution,
(ii) any shares of Common Stock issued or issuable with respect to any other
securities which by their terms are exercisable or exchangeable for or
convertible into Common Stock, and (iii) any shares of Common Stock issued or
issuable with respect to any securities received in respect of the foregoing
(including securities described in Section 12), in each case in clauses (i)
through (iii) which at any time are held by the Shareholders. As to any
particular Restricted Shares, once issued, such Restricted Shares shall cease to
be Restricted Shares when (A) they have been registered under the Securities
Act, the Registration Statement in connection therewith has been declared
effective and they have been disposed of pursuant to and in the manner described
in such effective Registration Statement, (B) they have been otherwise
transferred and new certificates or other evidences of ownership for them not
bearing a restrictive legend and not subject to any stop transfer order or other
restriction on transfer have been delivered by the Company or the issuer of
other securities issued in exchange for the Restricted Shares, or (C) they have
ceased to be outstanding.

                  "Rule 144" means Rule 144 promulgated under the Securities Act
or any successor rule thereto or any complementary rule thereto.

                  "Securities Act" means the Securities Act of 1933, as amended,
or any successor federal statute, and the rules and regulations of the
Commission thereunder, all as the same shall be in effect from time to time.

                  "Shareholders" means, collectively, the Investors and the
Continuing Shareholders listed on SCHEDULE I and SCHEDULE II hereto,
respectively, and includes any successor to, or assignee or transferee of, any
such Person who or which agrees in writing to be treated as a Shareholder
hereunder and to be bound by the terms and comply with all applicable provisions
hereof.

                  "Subsidiary" means, with respect to any Person, any other
Person of which the securities having a majority of the ordinary voting power in
electing the board of

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directors (or other governing body), at the time as of which any determination
is being made, are owned by such first Person either directly or through one or
more of its Subsidiaries.

                  "UBS" means UBS Capital II LLC a Delaware limited liability
company.

         SECTION 2. REQUIRED REGISTRATION.

                  (a) Subject to Section 2(b), if the Company shall be requested
by the holders of a majority of all Investor Shares at any time to effect the
registration under the Securities Act of Registrable Shares. Then the Company
shall (subject to the managing underwriter's discretion) promptly give written
notice of such proposed registration to all holders of Registrable Shares and
shall (subject to the managing underwriter's discretion) offer to include in
such proposed registration any Registrable Shares requested to be included in
such proposed registration by all holders of Registrable Shares who respond in
writing to the Company's notice within 30 days after delivery of such notice
(which response shall specify the number of Registrable Shares proposed to be
included in such registration). The Company shall use its best efforts to
promptly effect the registration under the Securities Act of the Registrable
Shares which the Company has been so requested to register. The number of
requests permitted pursuant to this Section 2(a) shall be unlimited.

                  (b) Anything contained in Section 2(a) to the contrary
notwithstanding, the Company shall not be obligated to effect any registration
under the Securities Act pursuant to Section 2(a) except in accordance with the
following provisions:

                           (i) with respect to any registration pursuant to this
         Section 2, the Company may include in such registration any Primary
         Shares or Other Shares; provided, however, that if the managing
         underwriter advises the Company that the inclusion of all Registrable
         Shares, Primary Shares and/or Other Shares proposed to be included in
         such registration would interfere with the successful marketing
         (including pricing) of the Registrable Shares proposed to be included
         in such registration, then the number of Registrable Shares, Primary
         Shares and/or Other Shares proposed to be included in such registration
         shall be included in the following order:

                                    (A) first, all Registrable Shares requested
                  to be included in such registration by the Shareholders who
                  requested such registration or made timely notice to the
                  Company of their request to include Registrable Shares in such
                  registration pursuant to Section 2(a), pro rata among such
                  requesting Shareholders based on the number of Registrable
                  Shares requested by each such requesting Shareholder to be so
                  registered;

                                    (B) second, all Registrable Shares requested
                  to be included in such registration by the other Shareholders
                  who requested the inclusion of their Registrable Shares in
                  such registration pursuant to Section 3, pro

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                  rata among all such Shareholders based on the number of
                  Registrable Shares requested by each such Shareholder to be so
                  registered;

                                    (C) third, the Primary Shares; and

                                    (D) fourth, the Other Shares;

                           (ii) at any time before the Registration Statement
         covering Registrable Shares becomes effective, the Shareholder or group
         of Shareholders which requested such registration pursuant to Section
         2(a) may request the Company to withdraw or not to file the
         Registration Statement; and

                           (iii) the Company may, at its sole option, elect to
         satisfy a request for a registration pursuant to Section 2(a) on Form
         S-2 or Form S-3 promulgated under the Securities Act (or any successor
         forms thereto), if such forms are then available to the Company.

                  (c) The Company shall file a registration statement with
respect to each registration requested pursuant to Section 2(a) as soon as
practicable after receipt of the demand of the requesting Shareholders;
provided, however, that if in the good faith judgment of the Board of Directors
of the Company, such registration would be seriously detrimental to the Company
in that such registration would interfere with a proposed primary registration
of securities by the Company or any other material corporate transaction and the
Board of Directors concludes, as a result, that it is advisable to defer the
filing of such registration statement at such time (as evidenced by an
appropriate resolution of the Board), then the Company shall have the right to
defer such filing for the period during which such registration would be
seriously detrimental; provided, further, however, that (i) the Company may not
defer the filing for a period of more than one hundred and twenty (120) days
after receipt of the demand of the requesting Shareholders, (ii) the Company
shall not exercise its right to defer such a registration more than once, and
(iii) if the Company undertakes a primary registration following an exercise of
its deferral right, the holders of Registrable Shares shall have "piggyback"
rights under Section 3 hereof with respect to not less than one-third (1/3) of
the number of shares of Registrable Shares to be sold in such offering.

         SECTION 3. PIGGYBACK REGISTRATION.

                  If the Company at any time that is 180 days after its initial
Public Offering proposes for any reason to register shares of Common Stock under
the Securities Act (other than on Form S-4 or Form S-8 promulgated under the
Securities Act or any successor forms thereto), it shall promptly give written
notice to the Shareholders of its intention to so register such shares and, upon
the written request, delivered to the Company within 20 days after delivery of
any such notice by the Company, of any Shareholder to include in such
registration Registrable Shares (which request shall specify the number of
Registrable Shares proposed to be included in such registration), the Company
shall use its best efforts to cause all such Registrable Shares to be included
in

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such registration on the same terms and conditions as the Common Stock otherwise
being sold in such registration; provided, however, that if the managing
underwriter advises the Company that the inclusion of all Registrable Shares
requested to be included in such registration would interfere with the
successful marketing (including pricing) of the Primary Shares or Other Shares
proposed to be registered by the Company, then the number of Primary Shares,
Registrable Shares and Other Shares proposed to be included in such registration
shall be included in the following order:

                           (i) first, the Primary Shares or Other Shares
         proposed to be registered by the Company; and

                           (ii) second, the Registrable Shares requested to be
         included in such registration pursuant to this Section 3, pro rata
         among the holders thereof based upon the number of Registrable Shares
         requested to be registered by each such holder; and

                           (iii) any Other Shares.

         SECTION 4. REGISTRATIONS ON FORM S-3.

                  Anything contained in Section 2 to the contrary
notwithstanding, at such time as the Company shall have qualified for the use of
Form S-3 promulgated under the Securities Act or any successor form thereto, a
Majority of Shareholders shall have the right to request in writing an unlimited
number of registrations of Registrable Shares on Form S-3 or such successor
form, which request or requests shall (i) specify the number of Registrable
Shares intended to be sold or disposed of and the holders thereof, (ii) state
the intended method of disposition of such Registrable Shares and (iii) relate
to Registrable Shares having an anticipated aggregate gross offering price
(before underwriting discounts and commissions) of at least $10,000,000, and
upon receipt of any such request, the Company shall use its best efforts
promptly to effect the registration under the Securities Act of the Registrable
Shares so requested to be registered. A requested registration on Form S-3 or
any such successor form in compliance with this Section 4 shall be treated as a
registration initiated pursuant to, and shall be subject to, the provisions of
Section 2.

         SECTION 5. HOLDBACK AGREEMENT.

                  (a) If the Company at any time shall register shares of Common
Stock under the Securities Act (including any registration pursuant to Section
2, Section 3 or Section 4) for sale to the public pursuant to an underwritten
offering, the Shareholders shall not sell publicly, make any short sale of,
grant any option for the purchase of, or otherwise dispose publicly of, any
Registrable Shares (other than those shares of Common Stock included in such
registration pursuant to Sections 2, 3 or 4) without the prior written consent
of the Company, for a period designated by the Company in writing to the
Shareholders, which period shall not begin more than 10 days prior to the
effectiveness of the Registration Statement pursuant to which such public
offering shall be made and shall not last more than 180 days after the closing
of sale of shares pursuant to such

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Registration Statement. The Company shall use reasonable efforts to obtain the
agreement of any Person permitted to sell shares of Common Stock in a
registration to be bound by and to comply with this Section 5 with respect to
such registration as if such Person was a Shareholder hereunder.

                  (b) If the Company at any time pursuant to Section 2 or
Section 3 of this Agreement shall register under the Securities Act Registrable
Shares held by Shareholders for sale to the public pursuant to an underwritten
offering, the Company shall not effect any public sale or distribution of
securities similar to those being registered, or any securities convertible into
or exercisable or exchangeable for such securities, for such period as shall be
determined by the managing underwriters, which period shall not begin more than
10 days prior to the effectiveness of the Registration Statement pursuant to
which such public offering shall be made and shall not last more than 180 days
after the closing of sale of shares pursuant to such Registration Statement.

         SECTION 6. PREPARATION AND FILING.

                  (a) If and whenever the Company is under an obligation
pursuant to the provisions of this Agreement to use its best efforts to effect
the registration of, and keep effective a Registration Statement for, any
Registrable Shares, the Company shall, as expeditiously as practicable:

                           (i) use its best efforts to cause a Registration
         Statement that registers such Registrable Shares to become and remain
         effective for a period of 90 days (extended for such period of time as
         the Shareholders are required to discontinue disposition of Registrable
         Shares pursuant to Section 6(b) below) or until all of such Registrable
         Shares have been disposed of (if earlier);

                           (ii) use its best efforts to furnish, at least five
         business days before filing a Registration Statement that relates to
         the registration of such Registrable Shares, a Prospectus relating
         thereto or any amendments or supplements relating to such a
         Registration Statement or Prospectus, to one counsel (the
         "Shareholders' Counsel") selected by a Majority of Shareholders, copies
         of all such documents proposed to be filed;

                           (iii) [Intentionally omitted];

                           (iv) notify in writing the Shareholders' Counsel, and
         the Shareholders whose Registrable Shares may be included in such
         Registration Statement, promptly of (A) the receipt by the Company of
         any notification with respect to any comments by the Commission with
         respect to such Registration Statement or Prospectus or any amendment
         or supplement thereto or any request by the Commission for the amending
         or supplementing thereof or for additional information with respect
         thereto, (B) the receipt by the Company of any notification or written
         information with respect to the issuance or threatened issuance by the
         Commission of any stop order suspending the effectiveness of such

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         Registration Statement or Prospectus or any amendment or supplement
         thereto or the initiation or threatening of any proceeding for that
         purpose (and the Company shall use its best efforts to prevent the
         issuance thereof or, if issued, to obtain its withdrawal) and (C) the
         receipt by the Company of any notification with respect to the
         suspension of the qualification of such Registrable Shares for sale in
         any jurisdiction or the initiation or threatening of any proceeding for
         such purposes;

                           (v) use its best efforts to register or qualify such
         Registrable Shares under such other securities or blue sky laws of such
         jurisdictions as the Shareholders holding such Registrable Shares
         reasonably request and do any and all other acts and things which may
         be reasonably necessary or advisable to enable the Shareholders to
         consummate the disposition in such jurisdictions of the Registrable
         Shares owned by the Shareholders; provided, however, that the Company
         will not be required to qualify generally to do business, subject
         itself to general taxation or consent to general service of process in
         any jurisdiction where it would not otherwise be required to do so but
         for this clause (v);

                           (vi) furnish to the Shareholders holding such
         Registrable Shares such number of copies of a summary Prospectus, if
         any, or other Prospectus, including a preliminary Prospectus, in
         conformity with the requirements of the Securities Act, and such other
         documents as such Shareholders may reasonably request in order to
         facilitate the public sale or other disposition of such Registrable
         Shares;

                           (vii) use its best efforts to cause such Registrable
         Shares to be registered with or approved by such other governmental
         agencies or authorities as may be necessary by virtue of the business
         and operations of the Company to enable the Shareholders holding such
         Registrable Shares to consummate the disposition of such Registrable
         Shares;

                           (viii) notify the Shareholders holding such
         Registrable Shares on a timely basis at any time when a Prospectus
         relating to such Registrable Shares is required to be delivered under
         the Securities Act within the appropriate period mentioned in clause
         (i) of this Section 6(a), of the happening of any event as a result of
         which the Prospectus included in such Registration Statement, as then
         in effect, includes an untrue statement of a material fact or omits to
         state a material fact required to be stated therein or necessary to
         make the statements therein, in light of the circumstances under which
         they were made, not misleading, and prepare and furnish to such
         Shareholders a reasonable number of copies of, and file with the
         Commission, a supplement to or an amendment of such Prospectus as may
         be necessary so that, as thereafter delivered to the offerees of such
         shares, such Prospectus shall not include an untrue statement of a
         material fact or omit to state a material fact required to be stated
         therein or necessary to make the statements therein, in light of the
         circumstances under which they were made, not misleading;

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                           (ix) subject to the execution of confidentiality
         agreements in form and substance reasonably satisfactory to the
         Company, make available upon reasonable notice and during normal
         business hours, for inspection by the Shareholders holding Registrable
         Shares requested to be included in such registration, any underwriter
         participating in any disposition pursuant to such Registration
         Statement and any attorney, accountant or other agent retained by the
         Shareholders or underwriter (collectively, the "Inspectors"), all
         pertinent financial and other records, pertinent corporate documents
         and properties of the Company (collectively, the "Records"), and cause
         the Company's officers, directors and employees to supply all
         information (together with the Records, the "Information") reasonably
         requested by any such Inspector, in each case as shall be reasonably
         necessary to enable them to exercise their due diligence responsibility
         in connection with such Registration Statement; provided, however, that
         any of the Information that the Company determines in good faith to be
         confidential, and of which determination the Inspectors are so
         notified, shall not be disclosed by the Inspectors unless (A) the
         disclosure of such Information is necessary to avoid or correct a
         misstatement or omission in the Registration Statement or Prospectus,
         (B) the release of such Information is ordered pursuant to a subpoena
         or other order from a court of competent jurisdiction or, upon the
         written advice of counsel, is otherwise required by law, or (C) such
         Information has been made generally available to the public, and the
         Shareholders agree that they will, upon learning that disclosure of
         such Information is sought in a court of competent jurisdiction, give
         notice to the Company and allow the Company, at the Company's expense,
         to undertake appropriate action to prevent disclosure of the
         Information deemed confidential;

                           (x) use its best efforts to obtain from its
         independent certified public accountants "cold comfort" letters in
         customary form and at customary times and covering matters of the type
         customarily covered by cold comfort letters;

                           (xi) use its best efforts to obtain from its counsel
         an opinion or opinions in customary form naming the Shareholders as
         additional addressees or parties who may rely thereon;

                           (xii) provide a transfer agent and registrar (which
         may be the same entity and which may be the Company) for such
         Registrable Shares;

                           (xiii) issue to any underwriter to which the
         Shareholders holding such Registrable Shares may sell shares in such
         offering certificates evidencing such Registrable Shares;

                           (xiv) list such Registrable Shares on any national
         securities exchange on which any shares of the Common Stock are listed
         or, if the Common Stock is not listed on a national securities
         exchange, use its best efforts to qualify such Registrable Shares for
         inclusion on the Nasdaq National Market;

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                          (xv) otherwise use its best efforts to comply with all
         applicable rules and regulations of the Commission and make available
         to its securityholders, as soon as reasonably practicable, earnings
         statements (which need not be audited) covering a period of 12 months
         beginning within three months after the effective date of the
         Registration Statement, which earnings statements shall satisfy the
         provisions of Section 11(a) of the Securities Act; and

                          (xvi) use its best efforts to take all other steps
         necessary to effect the registration of, and maintain an effective
         Registration Statement with respect to, such Registrable Shares
         contemplated hereby.

                  (b) Each holder of the Registrable Shares, upon receipt of any
notice from the Company of any event of the kind described in Section 6(a)(viii)
hereof, shall forthwith discontinue disposition of the Registrable Shares
pursuant to the Registration Statement covering such Registrable Shares until
such holder's receipt of the copies of the supplemented or amended Prospectus
contemplated by Section 6(a)(viii) hereof, and, if so directed by the Company,
such holder shall deliver to the Company all copies, other than permanent file
copies then in such holder's possession, of the most recent Prospectus covering
such Registrable Shares at the time of receipt of such notice.

         SECTION 7. EXPENSES.

                  All expenses (other than underwriting discounts and
commissions relating to the Registrable Shares) incurred by the Company and the
Shareholders in complying with this Agreement, including, without limitation,
all registration and filing fees (including all expenses incident to filings
with the National Association of Securities Dealers, Inc.), fees and expenses of
complying with securities and blue sky laws, printing expenses, fees and
expenses of the Company's counsel and accountants and fees and expenses of the
Shareholders' Counsel, shall be paid by the Company in connection with
registrations requested under Section 2 or Section 4; provided, however, that
all underwriting discounts and selling commissions applicable to the Registrable
Shares and Other Shares shall be borne by the holders selling such Registrable
Shares and Other Shares, in proportion to the number of Registrable Shares and
Other Shares sold by each such holder.

         SECTION 8. INDEMNIFICATION.

                  (a) In connection with any registration of any Registrable
Shares under the Securities Act pursuant to this Agreement, the Company shall
indemnify and hold harmless, to the fullest extent permitted by law, each holder
of Registrable Shares, each underwriter, broker or any other Person acting on
behalf of the holders of Registrable Shares and each other Person, if any, who
controls any of the foregoing Persons within the meaning of the Securities Act
(each such indemnified Person being referred to herein as an "Indemnified
Person") against any losses, claims, damages or liabilities, joint or several
(or actions in respect thereof), to which any of the foregoing Persons may
become subject under the Securities Act or otherwise, insofar as such losses,
claims, damages or liabilities

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(or actions in respect thereof) arise out of or are based upon an untrue
statement or allegedly untrue statement of a material fact contained in or
incorporated by reference in the Registration Statement under which such
Registrable Shares were registered under the Securities Act, any preliminary
Prospectus or final Prospectus contained therein or otherwise filed with the
Commission, any amendment or supplement thereto or any document incident to
registration or qualification of any Registrable Shares, or arise out of or are
based upon the omission or alleged omission to state therein a material fact
required to be stated therein or necessary to make the statements therein not
misleading or, with respect to any Prospectus, necessary to make the statements
therein, in light of the circumstances under which they were made, not
misleading, or any violation by the Company of the Securities Act or state
securities or blue sky laws applicable to the Company and relating to action or
inaction required of the Company in connection with such registration or
qualification under such state securities or blue sky laws; and shall promptly
reimburse the Indemnified Persons for any legal or other expenses reasonably
incurred by any of them in connection with investigating or defending any such
loss, claim, damage, liability or action; provided, however, that the Company
shall not be liable in any such case to any such Indemnified Person to the
extent that any such loss, claim, damage, liability or action (including any
legal or other expenses incurred) arises out of or is based upon: (i) an untrue
statement or allegedly untrue statement or omission or alleged omission made in
said Registration Statement, preliminary Prospectus, final Prospectus,
amendment, supplement or document incident to registration or qualification of
any Registrable Shares in reliance upon and in conformity with written
information furnished to the Company through an instrument duly executed by such
Indemnified Person specifically for use in the preparation thereof or (ii) any
Indemnified Person's failure to deliver a copy of the Prospectus (including any
amendment or supplement thereto) after the Company has delivered to such
Indemnified Person a sufficient number of copies of the same.

                  (b) In connection with any registration of Registrable Shares
under the Securities Act pursuant to this Agreement, each holder of Registrable
Shares being registered shall, severally and not jointly, to the fullest extent
permitted by law, indemnify and hold harmless (in the same manner and to the
same extent as set forth in Section 8(a) above) the Company, each director of
the Company, each officer of the Company who shall have signed such Registration
Statement, each other holder of Registrable Shares or Other Shares, each agent,
underwriter, broker or other Person acting on behalf of the Company, each other
holder of Registrable Shares or Other Shares and each Person who controls any of
the foregoing Persons within the meaning of the Securities Act with respect to
any statement or omission from such Registration Statement, any preliminary
Prospectus or final Prospectus contained therein or otherwise filed with the
Commission, any amendment or supplement thereto or any document incident to
registration or qualification of any Registrable Shares, if such statement or
omission was made in reliance upon and in conformity with written information
furnished to the Company or such underwriter through an instrument duly executed
by such holder specifically for use in connection with the preparation of such
Registration Statement, preliminary Prospectus, final Prospectus, amendment,
supplement or document; provided, however, that the

                                       11
<PAGE>   14

maximum amount of liability in respect of such indemnification shall be
limited, in the case of each seller of Registrable Shares, to an amount equal to
the net proceeds actually received by such seller from the sale of Registrable
Shares effected pursuant to such registration.

                  (c) Promptly after receipt by an indemnified party of notice
of the commencement of any action involving a claim referred to in Section 8(a)
or Section 8(b), such indemnified party will, if a claim in respect thereof is
made against an indemnifying party, give written notice to the latter of the
commencement of such action; provided, however, that the indemnified party's
failure to give such notice shall not release, relieve or in any way affect the
indemnifying party's obligation hereunder to indemnify the indemnified party
unless and to the extent that the rights of the indemnifying party are
prejudiced thereby. In case any such action is brought against an indemnified
party, the indemnifying party will be entitled to participate in and to assume
the defense thereof, jointly with any other indemnifying party similarly
notified to the extent that he, she, or it may wish, with counsel reasonably
satisfactory to such indemnified party, and after notice from the indemnifying
party to such indemnified party of his, her or its election so to assume the
defense thereof, the indemnifying party shall not be responsible for any legal
or other expenses subsequently incurred by the indemnified party in connection
with the defense thereof; provided, however, that if any indemnified party shall
have reasonably concluded (based on the written advice of counsel) that there
may be one or more legal or equitable defenses available to such indemnified
party which are additional to or conflict with those available to the
indemnifying party, or that such claim or litigation involves or could have an
effect upon matters beyond the scope of the indemnity agreement provided in this
Section 8, the indemnifying party shall not have the right to assume the defense
of such action on behalf of such indemnified party and such indemnifying party
shall reimburse such indemnified party and any Person controlling such
indemnified party for that portion of the fees and expenses of any counsel
retained by the indemnified party which is reasonably related to the matters
covered by the indemnity agreement provided in this Section 8.

                  (d) If the indemnification provided for in this Section 8 is
held by a court of competent jurisdiction to be unavailable to an indemnified
party with respect to any loss, claim, damage, liability or action referred to
herein (other than as a result of the applicability of the proviso in Section
8(a)), then the indemnifying party, in lieu of indemnifying such indemnified
party hereunder, shall contribute to the amounts paid or payable by such
indemnified party as a result of such loss, claim, damage, liability or action
in such proportion as is appropriate to reflect the relative fault of the
indemnifying party on the one hand and of the indemnified party on the other in
connection with the statements or omissions which resulted in such loss, claim,
damage, liability or action as well as any other relevant equitable
considerations. The relative fault of the indemnifying party and of the
indemnified party shall be determined by reference to, among other things,
whether the untrue or alleged untrue statement of a material fact or the
omission or alleged omission to state a material fact relates to information
supplied by the indemnifying party or by the indemnified party and the parties'
relative intent, knowledge, access to information and opportunity to correct or
prevent such statement or omission.

                                       12
<PAGE>   15

         SECTION 9. UNDERWRITING AGREEMENT.

                  (a) If any registration pursuant to Section 2 or Section 4 is
requested to be an underwritten offering, the Company shall negotiate in good
faith to enter into a reasonable and customary underwriting agreement with the
underwriters thereof. The Company shall be entitled to receive indemnities from
lead institutions, underwriters, selling brokers, dealer managers and similar
securities industry professionals participating in the distribution, to the same
extent as provided above with respect to information so furnished in writing by
such Persons specifically for inclusion in any Prospectus or Registration
Statement and to the extent customary given their role in such distribution.

                  (b) No Shareholder may participate in any registration
hereunder that is underwritten unless such Shareholder agrees to (i) sell such
Shareholder's Registrable Shares proposed to be included therein on the basis
provided in any underwriting arrangements approved by the Company and a Majority
of Shareholders and (ii) as expeditiously as possible, notify the Company of the
occurrence of any event concerning such Shareholder as a result of which the
Prospectus relating to such registration contains an untrue statement of a
material fact or omits to state a material fact required to be stated therein or
necessary to make the statements therein, in light of the circumstances under
which they were made, not misleading.

         SECTION 10. INFORMATION BY HOLDER.

                  The Shareholders shall furnish to the Company such written
information regarding the Shareholders and the distribution proposed by the
Shareholders as the Company may reasonably request in writing and as shall be
reasonably required in connection with any registration, qualification or
compliance referred to in this Agreement.

         SECTION 11. EXCHANGE ACT COMPLIANCE.

                  From the Registration Date or such earlier date as a
Registration Statement filed by the Company pursuant to the Exchange Act
relating to any class of the Company's securities shall have become effective,
the Company shall comply with all of the reporting requirements of the Exchange
Act applicable to it (whether or not it shall be required to do so) and shall
comply with all other public information reporting requirements of the
Commission which are conditions to the availability of Rule 144 for the sale of
the Common Stock. The Company shall cooperate with the Shareholders in supplying
such information as may be necessary for the Shareholders to complete and file
any information reporting forms presently or hereafter required by the
Commission as a condition to the availability of Rule 144.

         SECTION 12. MERGERS, ETC.

                  The Company shall not, directly or indirectly, enter into any
merger, consolidation or reorganization in which the Company shall not be the
surviving

                                       13
<PAGE>   16

corporation unless the surviving corporation shall, prior to such merger,
consolidation or reorganization, agree in writing to assume the obligations of
the Company under this Agreement, and for that purpose references hereunder to
"Registrable Shares" shall be deemed to include the shares of common stock, if
any, or other securities that the Shareholders would be entitled to receive in
exchange for Common Stock under any such merger, consolidation or
reorganization; provided, however, that, to the extent the Shareholders receive
securities that are by their terms convertible into shares of common stock of
the issuer thereof, then any such shares of common stock as are issued or
issuable upon conversion of said convertible securities shall be included within
the definition of "Registrable Shares."

         SECTION 13. NEW CERTIFICATES.

                  As expeditiously as possible after the effectiveness of any
Registration Statement filed pursuant to this Agreement, the Company will
deliver in exchange for any legended certificate evidencing Registrable Shares
so registered, new stock certificates not bearing any restrictive legends.

         SECTION 14. NO CONFLICT OF RIGHTS; SELECTION OF UNDERWRITER.

                  The Company shall not, at any time after the date hereof,
grant any registration rights that conflict with or impair, or have any parity
with or priority over, the registration rights granted hereby. In any Public
Offering, the managing underwriter shall be a nationally recognized investment
banking firm chosen by the Board.

         SECTION 15. TERMINATION.

                  This Agreement shall terminate and be of no further force or
effect upon the written agreement of the Company, a majority of Registrable
Shares held by the Investors (which majority must include the affirmative vote
of all Registrable Shares then held by UBS) and a majority of Registrable Shares
held by the Continuing Shareholders or when there shall no longer be any
Restricted Shares outstanding.

         SECTION 16. MISCELLANEOUS.

                  (a) Successors and Assigns. Except as expressly set forth
herein, this Agreement shall bind and inure to the benefit of the Company and
the Shareholders and, subject to Section 16(b), the respective successors and
assigns of the Company and the Shareholders. This Agreement is not intended to
create any third party beneficiaries.

                  (b) Assignment. Each Shareholder may assign its rights
hereunder to any purchaser or transferee of Registrable Shares; provided,
however, that such purchaser or transferee shall, as a condition to the
effectiveness of such assignment, unless already a party to this Agreement, be
required to execute a counterpart to this Agreement agreeing to be treated as
Shareholder hereunder, whereupon such purchaser or transferee shall have the
benefits of and shall be subject to the restrictions contained in this Agreement
as if

                                       14
<PAGE>   17

such purchaser or transferee was originally included in the definition of a
Shareholder and had originally been a party hereto.

                  (c) Severability. It is the desire and intent of the parties
hereto that the provisions of this Agreement be enforced to the fullest extent
permissible under the laws and public policies applied in each jurisdiction in
which enforcement is sought. Accordingly, if any particular provision of this
Agreement shall be adjudicated by a court of competent jurisdiction to be
invalid, prohibited or unenforceable for any reason, such provision, as to such
jurisdiction, shall be ineffective, without invalidating the remaining
provisions of this Agreement or affecting the validity or enforceability of this
Agreement or affecting the validity or enforceability of such provision in any
other jurisdiction. Notwithstanding the foregoing, if such provision could be
more narrowly drawn so as not to be invalid, prohibited or unenforceable in such
jurisdiction, it shall, as to such jurisdiction, be so narrowly drawn, without
invalidating the remaining provisions of this Agreement or affecting the
validity or enforceability of such provision in any other jurisdiction.

                  (d) Entire Agreement. This Agreement and the other writings
referred to herein or delivered pursuant hereto contain the entire agreement
among the parties with respect to the subject matter hereof and thereof and
supersede all prior and contemporaneous arrangements or understandings with
respect hereto and thereto.

                  (e) Notices. All communications hereunder to any party shall
be deemed to be sufficient if contained in a written instrument delivered in
person or sent by nationally-recognized overnight courier guaranteeing next day
delivery or first class registered or certified mail, return receipt requested,
postage prepaid, addressed to such party at its address below or such other
address as such party may hereafter designate in writing:

                          if to the Company, to:

                          Convergent Group Corporation
                          6200 South Syracuse Way
                          Suite 200
                          Englewood, CO 80111
                          Attention: Chief Executive Officer

                          with a copy to:

                          O'Sullivan Graev & Karabell, LLP
                          30 Rockefeller Plaza
                          New York, New York 10112
                          Attention: Ilan S. Nissan, Esq.

                          if to an Investor to each of the Investors listed on
                          Schedule I

                                       15
<PAGE>   18

                          with a copy to:

                          O'Sullivan Graev & Karabell, LLP
                          30 Rockefeller Plaza
                          New York, New York 10112
                          Attention: Ilan S. Nissan, Esq.

                          if to the Continuing Shareholders, at the address of
                          the Company set forth above, or if so noted on
                          Schedule II hereto, at the addresses set forth on
                          Schedule II hereto.

                          with a copy to:

                          Holland & Hart LLP
                          555 East 17th Street
                          Suite 3200
                          Denver, Colorado 80202
                          Attention: Kevin S. Crandell, Esq.

                  All such notices, requests, consents and other communications
shall be deemed to have been given and received (i) in the case of personal
delivery, on the date of such delivery, (ii) in the case of dispatch by
nationally-recognized overnight courier, on the next business day following such
dispatch and (iii) in the case of mailing, on the third business day after the
posting thereof.

                  (f) Modifications; Amendments; Waivers. The terms and
provisions of this Agreement may not be modified or amended, nor may any
provision be waived, except pursuant to a writing signed by the Company, a
majority of all Registrable Shares held by the Investors (which majority must
include the affirmative vote of all Registrable Shares then held by UBS) and a
majority of all Registrable Shares held by the Continuing Shareholders. The
failure of any party to enforce any of the provisions of this Agreement shall in
no way be construed as a waiver of such provisions and shall not affect the
right of such party thereafter to enforce each and every provision of this
Agreement in accordance with its terms.

                  (g) Counterparts. This Agreement may be executed in any number
of counterparts, and each such counterpart hereof shall be deemed to be an
original instrument, but all such counterparts together shall constitute but one
agreement.

                  (h) Headings. The headings of the various sections of this
Agreement have been inserted for convenience of reference only and shall not be
deemed to be a part of this Agreement.

                  (i) Governing Law. THIS AGREEMENT SHALL BE GOVERNED BY AND
CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF DELAWARE, WITHOUT GIVING
EFFECT TO ANY CHOICE OF LAW OR CONFLICTING PROVISION OR RULE (WHETHER OF THE
STATE OF

                                       16
<PAGE>   19

DELAWARE OR ANY OTHER JURISDICTION) THAT WOULD CAUSE THE LAWS OF ANY
JURISDICTION OTHER THAN THE STATE OF DELAWARE TO BE APPLIED. IN FURTHERANCE OF
THE FOREGOING, THE INTERNAL LAWS OF THE STATE OF DELAWARE WILL CONTROL THE
INTERPRETATION AND CONSTRUCTION OF THIS AGREEMENT, EVEN IF UNDER SUCH
JURISDICTION'S CHOICE OF LAW OR CONFLICT OF LAW ANALYSIS, THE SUBSTANTIVE LAW OF
SOME OTHER JURISDICTION WOULD ORDINARILY APPLY.

                  (j) Waiver of Jury Trial. EACH OF THE PARTIES HERETO HEREBY
IRREVOCABLY WAIVES ALL RIGHT TO TRIAL BY JURY IN ANY ACTION, PROCEEDING OR
COUNTERCLAIM ARISING OUT OF OR RELATING TO THIS AGREEMENT.

                  (k) Nouns and Pronouns. Whenever the context may require, any
pronouns used herein shall include the corresponding masculine, feminine or
neuter forms, and the singular form of nouns and pronouns shall include the
plural and vice-versa.

                  (1) Construction. Where specific language is used to clarify
by example a general statement contained herein, such specific language shall
not be deemed to modify, limit or restrict in any manner the construction of the
general statement to which it relates. The language used in this Agreement shall
be deemed to be the language chosen by the parties to express their mutual
intent, and no rule of strict construction shall be applied against any party.

                  (m) Effectiveness. This Agreement shall not be deemed
effective until it has been executed and delivered by all parties listed on the
signature pages hereto.

                                     *****

                                       17
<PAGE>   20

         IN WITNESS WHEREOF, the parties hereto have executed this Registration
Rights Agreement on the day and year first above written.

                                        CONVERGENT GROUP CORPORATION

                                        By: /s/ GLENN E. MONTGOMERY, JR.
                                           -------------------------------------
                                           Name: Glenn E. Montgomery, Jr.
                                           Title: Chief Executive Officer

CONTINUING SHAREHOLDERS:

GMJM STOCK PARTNERSHIP, LTD.

By:  /s/ GLENN E. MONTGOMERY, JR.
     -----------------------------------
     Name: Glenn E. Montgomery, Jr.
     Title: General Partner

MARK L. EPSTEIN TRUST

By:  /s/ GLENN E. MONTGOMERY, JR.
     -----------------------------------
     Name: Glenn E. Montgomery, Jr.
     Title: Trustee

By:  /s/ SCOTT M. SCHLEY  by POA
     -----------------------------------
for  Name: Scott M. Schley
     Title: Trustee

LEHE FAMILY PARTNERS, LTD.

By:  /s/ LARRY L. ENGELKEN       8/12/99
     -----------------------------------
     Name: Larry L. Engelken
     Title: General Partner

<PAGE>   21

By: /s/ HOLLY S. STORM-ENGELKEN
   -------------------------------------
   Name: Holly S. Storm-Engelken
   Title: General Partner

/s/ GLENN E. MONTGOMERY, JR.
----------------------------------------
Glenn E. Montgomery, Jr.

/s/ SCOTT M. SCHLEY
----------------------------------------
Scott M. Schley

EAS TRUST

By: /s/  ROBERT SHARPE
   -------------------------------------
   Name: Robert Sharpe
   Title: Trustee

RES TRUST

By: /s/ ROBERT SHARPE
   -------------------------------------
   Name: Robert Sharpe
   Title: Trustee

----------------------------------------
Barry J. Kemble

----------------------------------------
Bart E. Elliott

----------------------------------------
Thomas E. VanDenover

              [SIGNATURE PAGE TO THE REGISTRATION RIGHTS AGREEMENT]

<PAGE>   22

         IN WITNESS WHEREOF, the parties hereto have executed this Registration
Rights Agreement on the day and year first above written.

                                                         CONVERGENT GROUP
                                                         CORPORATION

                                                         By:
                                                            --------------------
                                                            Name:
                                                            Title:

CONTINUING SHAREHOLDERS:

GMJM STOCK PARTNERSHIP, LTD.

By:
   -------------------------
   Name:
   Title:

MARK L. EPSTEIN TRUST

By:-------------------------
   Name:
   Title:

LEHE FAMILY PARTNERS, LTD.

By:
   -------------------------
   Name:
   Title:

----------------------------
Glenn E. Montgomery, Jr.

----------------------------
Scott. M. Schley

/s/ BARRY J. KEMBLE
----------------------------
Barry J. Kemble

<PAGE>   23

/s/ BART E. ELLIOTT
----------------------------
Bart E. Elliott

/s/ THOMAS E. VANDENOVER
----------------------------
Thomas E. VanDenover

/s/ EUGENE P. KINDRACHUK
----------------------------
Eugene P. Kindrachuk

/s/ DEAN A. ZASTAVA
----------------------------
Dean A. Zastava

/s/ JOHN A. RAMSEUR
----------------------------
John A. Ramseur

/s/ GREGORY P. FOSTER
----------------------------
Gregory P. Foster

/s/ TERRY L. YARYAN
----------------------------
Terry L. Yaryan

<PAGE>   24

INVESTORS:

INSIGHT CAPITAL PARTNERS III, L.P.

By: InSight Venture Associates III, L.L.C.
      its General Partner

By: /s/ JERRY MURDOCK
   -------------------------------------
   Name:
   Title:

INSIGHT CAPITAL PARTNERS III (CAYMAN), L.P.

By: InSight Venture Associates III, L.L.C.
      its General Partner

By: /s/ JERRY MURDOCK
   -------------------------------------
   Name:
   Title:

INSIGHT CAPITAL PARTNERS III (CO-INVESTORS), L.P.

By: InSight Venture Associates III, L.L.C.
      its General Partner

By: /s/ JERRY MURDOCK
   -------------------------------------
   Name:
   Title:

<PAGE>   25

UBS CAPITAL II LLC

By: /s/ [ILLEGIBLE]
   -------------------------------------
   Name:
   Title:

By: /s/ [ILLEGIBLE]
   -------------------------------------
   Name:
   Title:

WI SOFTWARE INVESTORS LLC

By: Wexferd Management LLC, its investment manager

By: /s/ ROBERT HOLTZ
   -------------------------------------
   Name: Robert Holtz
   Title: Vice President

IMPRIMIS SB LP

By: Imprimis GP LLC, its General Partner

By: /s/ ROBERT HOLTZ
   -------------------------------------
   Name: Robert Holtz
   Title: Vice President

<PAGE>   26

GS PRIVATE EQUITY PARTNERS II, L.P.

By: GS PEP II Advisors, L.L.C., General Partner
By: GSAM Gen-Par, L.L.C., Managing Member

By: /s/ DAVID B. FORD
   -------------------------------------
   Name: DAVID B. FORD
   Title: Director

GS PRIVATE EQUITY PARTNERS II OFFSHORE, L.P.

By: GS PEP II Offshore Advisors, Inc.,
General Partner

By: /s/ DAVID B. FORD
   -------------------------------------
   Name: DAVID B. FORD
   Title: Director

GS PRIVATE EQUITY PARTNERS III, L.P.

By: GS PEP III Advisors, L.L.C., General Partner
By: GSAM Gen-Par, L.L.C., Managing Member

By: /s/ DAVID B. FORD
   -------------------------------------
   Name: DAVID B. FORD
   Title: Director

GS PRIVATE EQUITY PARTNERS III OFFSHORE, L.P.

By: GS PEP III Offshore Advisors, Inc.,
General Partner

By: /s/ DAVID B. FORD
   -------------------------------------
   Name: DAVID B. FORD
   Title: Director

<PAGE>   27

NBK/GS PRIVATE EQUITY PARTNERS, L.P.

By: GS PEP Offshore Advisors (NBK), Inc.,
General Partner

By: /s/ DAVID B. FORD
   -------------------------------------
   Name: David B. Ford
   Title: Director

/s/ STEPHEN FRIEDMAN
----------------------------------------
Stephen Friedman

----------------------------------------
Charles A. Davis

              [SIGNATURE PAGE TO THE REGISTRATION RIGHTS AGREEMENT]

<PAGE>   28

                                                                      SCHEDULE I

INVESTORS:

INSIGHT CAPITAL PARTNERS III, L.P.

527 Madison Avenue, 10th Floor
New York, New York 10022
Attention: Jerry Murdock

INSIGHT CAPITAL PARTNERS III (CAYMAN), L.P.

527 Madison Avenue, 10th Floor
New York, New York 10022
Attention: Jerry Murdock

INSIGHT CAPITAL PARTNERS III (CO-INVESTORS), L.P.

527 Madison Avenue, 10th Floor
New York, New York 10022
Attention: Jerry Murdock

UBS CAPITAL LLC

c/o UBS Capital LLC
299 Park Avenue
New York, New York 10171
Attention: Hyunja Laskin

IMPRIMUS SB LP

411 West Putnam Avenue
Greenwich, Connecticut 06830
Attention: Robert Holtz

WI SOFTWARE INVESTORS, LLC

411 West Putnam Avenue
Greenwich, Connecticut 06830
Attention: Robert Holtz

<PAGE>   29

GS PRIVATE EQUITY PARTNERS II, L.P.

One New York Plaza
New York, NY 10004

GS PRIVATE EQUITY PARTNERS II OFFSHORE, L.P.

One New York Plaza
New York, NY 10004

GS PRIVATE EQUITY PARTNERS III, L.P.

One New York Plaza
New York, NY 10004

GS PRIVATE EQUITY PARTNERS III OFFSHORE, L.P.

One New York Plaza
New York, NY 10004

NBK/GS PRIVATE EQUITY PARTNERS, L.P.

One New York Plaza
New York, NY 10004

STEPHEN FRIEDMAN

527 Madison Avenue, 10th Floor
New York, New York 10022
Attention: Jerry Murdock

<PAGE>   30

                                                                     SCHEDULE II

CONTINUING SHAREHOLDERS:

GMJM Stock Partnership, Ltd.

Mark L. Epstein Trust

LEHE Family Partners, Ltd.

Glenn E. Montgomery, Jr.

Scott M. Schley

EAS Trust

RBS Trust

Barry J. Kemble

Bart E. Elliott

Thomas E. VanDenover

Eugene P. Kindrachuk

Dean A. Zastava

John A. Ramseur

Gregory P. Foster

Terry L. Yaryan

                                      -i-<PAGE>   1
                                                                    EXHIBIT 10.6

                             STOCK PLEDGE AGREEMENT

         THIS STOCK PLEDGE AGREEMENT ("Agreement") is effective as of the 13th
day of August, 1999, by and between Glenn E. Montgomery, Jr., whose address is
77 Phlox Lane, Keystone Ranch, Dillon, Colorado 80435 ("Pledgor") and Convergent
Group Corporation, whose address is 6200 South Syracuse Way, Suite 200,
Englewood, Colorado 80111 ("Pledgee").

                                    RECITALS

         A.   Pledgee has made a loan to Pledgor in the amount of $2,000,000,
              which is evidenced by a Promissory Note dated as of the date
              hereof and payable by Pledgor in favor of Pledgee (the "Note").

         B.   As security for the Note, Pledgor and Pledgee have agreed that
              Pledgor will provide Pledgee certain collateral, as described
              herein.

         C.   Pledgor and Pledgee wish to enter into this Agreement in order to
              establish the security arrangements contemplated hereby.

                                    AGREEMENT

         NOW, THEREFORE, in consideration of the covenants, conditions, and
mutual promises set forth below, the parties hereto agree as follows:

1. Defined Terms.

         "Collateral" shall mean the Pledged Stock and any other or additional
stock or securities or property described in Section 5, including any other or
additional securities and moneys received and held by Pledgee hereunder,
together with all proceeds thereof.

         "Common Stock" shall mean shares of $0.001 par value common stock of
Convergent Group Corporation.

         "Event of Default" shall mean the occurrence of any one or more of the
following: (i) Pledgor applies for or consents to the appointment of a trustee
or receiver for all or any part of its properties, (ii) any bankruptcy,
reorganization, debt arrangement, dissolution or liquidation proceeding is
commenced or consented to by Pledgor; (iii) any application for an appointment
of a receiver or a trustee or any proceeding for bankruptcy, reorganization,
debt management or liquidation is filed for or commenced against Pledgor and is
not withdrawn or dismissed within 30 days thereafter; (iv) Pledgor shall fail to
pay any Obligation when due; (v) Pledgor shall by formal legal proceeding or in
response to a legal proceeding initiated by Pledgee contest for any reason the
validity of any Obligation; (vi) any court shall determine that all or

<PAGE>   2

any part of the Obligations of Pledgor are invalid or unenforceable; and (vii)
Pledgor commits a breach of this Agreement.

         "Fair Market Value" shall have the meaning given that term in Section
3(c).

         "Obligations" shall mean Pledgor's obligation to make all payments of
principal and interest and other amounts with respect to the Note when due to
Pledgee, and all other obligations of Pledgor to Pledgee under the Note or
hereunder.

         "Pledged Stock" shall mean all of the Common Stock owned by Pledgor
together with all other or additional stock or securities described in Section 5
now or hereafter pledged hereunder.

2. Grant of Security Interest. As security for the punctual payment and
performance of the Obligations when and as due, Pledgor hereby (a) grants to
Pledgee a continuing first priority security interest in all of the Collateral;
(b) pledges and deposits as security with Pledgee the Pledged Stock, and
delivers to pledgee certificates therefor, accompanied by stock powers duly
executed in blank by Pledgor with signature guarantees or such other instruments
of transfer as are acceptable to Pledgee; and (c) assigns, transfers,
hypothecates, mortgages, charges and sets over to Pledgee all of Pledgor's
right, title and interest in and to such Pledged Stock (and in and to the
certificates or instruments evidencing such Stock), to be held by Pledgee, upon
the terms and conditions set forth in this Agreement.

3. Character of Obligations. The obligations of Montgomery under the Note shall
initially be with full recourse against Montgomery, but may become without
recourse against Montgomery in accordance with the terms and conditions of the
Note.

4. Voting Absent Event of Default. Unless and until an Event of Default shall
have occurred and be continuing, Pledgor shall be entitled to vote any and all
Pledged Stock and to give consents, waivers or ratifications in respect thereof,
provided that no vote shall be cast nor any consent, waiver or ratification
given nor any action taken which would violate or be inconsistent with any of
the terms of this Agreement. All such rights of Pledgor to vote and to give
consents, waivers and ratifications shall cease so long as an Event of Default
shall occur and be continuing, and Section 7 hereof shall become applicable.

5. Dividends and Other Distributions. Unless an Event of Default shall have
occurred and be continuing, and subject to the restrictions set forth below, all
cash dividends payable in respect of the Pledged Stock shall be paid to Pledgor,
provided that all cash dividends payable in respect of the Pledged Stock which
represent an extraordinary (i.e., a dividend in excess of 10% of the value of
the Pledged Stock at the time of the declaration of such dividend) liquidating
or other distribution in return of capital shall be paid to Pledgee and retained
by it as part of the Collateral. Pledgee shall also be entitled to receive
directly, and to retain as part of the Collateral:

                                       2
<PAGE>   3

         (a) All other or additional stock or securities or property (other than
cash) paid or distributed by way of dividend in respect of the Pledged Stock;

         (b) All other or additional stock or other securities or property
(including cash) paid or distributed in respect of the Pledged Stock by way of
stock-split, spin-off, split-up, reclassification, combination of shares or
similar rearrangement; and

         (c) All other or additional stock or other securities or property which
may be paid in respect of the Collateral by reason of any consolidation, merger,
exchange of stock, conveyance of assets, liquidation or similar corporate
reorganization.

6. Representations and Warranties. Pledgor represents and warrants as follows:

         (a) Pledgor is the sole legal, record and beneficial owner of, and has
good and marketable title to, the Collateral free and clear of any lien,
security interest, charge, claim, or encumbrance of any third party;

         (b) This Agreement creates a valid first priority security interest in
the Collateral;

         (c) Pledgor has full power, authority and legal right to pledge all the
Collateral pursuant to this Agreement, and no additional authorization,
approval, or other action by Pledgor or any other individual or entity is
required in order to grant Pledgee the security interest granted by this
Agreement;

         (d) The execution, delivery and performance of this Agreement does not
violate any provision of any applicable law or regulation or of any order,
judgment, writ, award or decree of any court, arbitrator or governmental
authority, domestic or foreign, or of any mortgage, indenture, lease, contract
or other agreement, instrument or undertaking to which Pledgor is a party or
which purports to be binding upon Pledgor or upon any of Pledgor's assets and
does not result in the creation or imposition of any lien on any of the assets
of Pledgor except as contemplated by this Agreement;

7. Remedies in Case of Event of Default. In case an Event of Default shall have
occurred and be continuing, Pledgee shall, to the extent permitted by applicable
law, be entitled to exercise all of the rights, powers and remedies vested in it
by this Agreement or by law (including, without limitation, the Uniform
Commercial Code) in respect of the Collateral, including, without limitation,
the following rights, which Pledgor hereby agrees to be commercially reasonable:

         (a) To receive all amounts payable in respect of the collateral or
otherwise payable under the first sentence of Section 5 to Pledgor;

         (b) To transfer all or any part of the Pledged Stock into Pledgee's
name or the name of its nominee or nominees;

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<PAGE>   4

         (c) To vote all or any part of the Pledged Stock (whether or not
transferred into the name of Pledgee) and give all consents, waivers and
ratifications in respect of the Collateral and otherwise act with respect
thereto as though it were the outright owner thereof (Pledgor hereby irrevocably
constituting and appointing Pledgee the proxy and attorney-in-fact of Pledgor,
with full power of substitution to do so); and

         (d) At any time or from time to time to sell, assign and deliver, or
grant options to purchase, all or any part of the Collateral, or any interest
therein, at any public or private sale, without demand of performance,
advertisement or notice of intention to sell or of the time or place of sale or
adjournment thereof or to redeem or otherwise (all of which are hereby waived by
Pledgor), for cash, on credit or for other property, for immediate or future
delivery without any assumption of credit risk, and for such price or prices and
on such terms as Pledgee may in good faith deem reasonable under the
circumstances. Pledgor hereby waives and releases to the fullest extent
permitted by law any right or equity of redemption with respect to the
Collateral, whether before or after a sale hereunder, and all rights, if any, of
marshalling the Collateral and any other security for the Obligations or
otherwise. At any such sale, unless prohibited by applicable law, Pledgee may
bid for and purchase all or any part of the Collateral so sold free from any
such right or equity of redemption. Pledgee shall not be liable for failure to
collect or realize upon any or all of the collateral or for any delay in so
doing nor shall it be under any obligation to take any action whatsoever with
regard thereto.

8. Remedies Cumulative; Subrogation and Certain Procedures Waived. Each right,
power and remedy of Pledgee provided for in this Agreement or now or hereafter
existing at law or in equity or by contract or statute shall be cumulative and
concurrent and shall be in addition to every other such right, power or remedy.
The exercise or beginning of the exercise by Pledgee of any one or more of the
rights, powers or remedies provided for in this Agreement, or now or hereafter
existing at law or in equity or by statute or contract or otherwise shall not
preclude the simultaneous or later exercise by Pledgee of all such other rights,
powers or remedies, and no failure or delay on the part of Pledgee to exercise
any such right, power or remedy shall operate as a waiver thereof.
Notwithstanding the exercise by Pledgee of any remedies with respect to the
Collateral, Pledgor shall not be entitled to be subrogated to any of the rights
with respect to any of the Obligations until all Obligations shall have been
paid and performed in full. The right of Pledgee to proceed against the
collateral pledged hereunder shall not be conditioned or contingent upon the
pursuit by Pledgee of any right or remedy against any other person which may
become liable to make payment of or perform all or any part of the Obligations
or against any other collateral held by Pledgee or any other person therefor.

9. Application of Proceeds. All moneys collected by Pledgee upon any sale or
other disposition of the Collateral, together with all other moneys received by
Pledgee hereunder, shall be applied to the payment of all costs and expenses
incurred by Pledgee in connection with such sale, the delivery of the Collateral
or the collection of any such

                                       4
<PAGE>   5

moneys (including, without limitation, attorneys' fees and expenses), and the
balance of such moneys shall be held by Pledgee and applied by it to satisfy the
Obligations. If, after such application, additional Obligations remain unpaid
and secured hereby which are not yet matured, Pledgee shall hold such proceeds
as security for the payment of such Obligations. If the proceeds of the
disposition of the Collateral are insufficient to pay all Obligations, then such
proceeds shall be applied to payment of the Obligations in such manner as
Pledgee shall elect. Any proceeds remaining after payment and performance in
full of the Obligations shall be distributed to Pledgor or the person lawfully
entitled thereto.

10. Purchasers of Collateral. Upon any sale of any Collateral by Pledgee
hereunder (whether by virtue of the power of sale herein granted, pursuant to
judicial process or otherwise), the receipt of Pledgee or the officer making the
sale shall be a sufficient discharge to the purchaser or purchasers of the
Collateral so sold, and such purchaser or purchasers shall not be obligated to
see to the application of any part of the purchase money paid over to Pledgee or
such officer or be answerable in any way for the misapplication or
nonapplication thereof.

11. Indemnity and Expenses. Pledgor agrees to indemnify and hold harmless
Pledgee from and against any and all claims, demands, losses, judgments and
liabilities (including liabilities for penalties) of whatsoever kind or nature,
and to reimburse Pledgee for all costs and expenses, including, without
limitation, reasonable attorneys' fees and any stamp, document, transfer,
recording and other taxes growing out of or resulting from this Agreement or the
proper exercise by Pledgee of any right or remedy granted to it hereunder. In no
event shall Pledgee be liable, in the absence of gross negligence or willful
misconduct on its part, for any matter or thing in connection with this
Agreement, other than to account for moneys actually received by it in
accordance with the terms hereof. If and to the extent that the obligations of
Pledgor under this Section 11 are unenforceable for any reason, Pledgor hereby
agrees to make the maximum contribution to the payment and satisfaction of such
obligations which is permissible under applicable law.

12. Further Assurances. Pledgor agrees that it will join with Pledgee in
executing and, at its own expense, file and refile under the Uniform Commercial
Code such financing statements, continuation statements and other documents in
such offices as Pledgee may deem necessary or appropriate in order to perfect
and preserve Pledgee's security interest in the Collateral, and hereby
authorizes Pledgee to file financing statements and amendments thereto relative
to all or any part of the Collateral without the signature of Pledgor where
permitted by law, and agrees to do such further acts and things and to execute
and deliver to Pledgee such additional conveyances, assignments, agreements and
instruments as Pledgee may reasonably require or deem advisable to carry into
effect the purposes of this Agreement or to further assure and confirm unto
Pledgee its rights, powers and remedies hereunder. Pledgor covenants and agrees
that it will defend Pledgee's right, title and security interest in and to the
Collateral against the claims and demands of all persons whomsoever. Pledgor
covenants and agrees that it

                                       5
<PAGE>   6

shall give prompt written notice to Pledgee of any change of his address from
that referred to in the first paragraph of this Agreement.

13. Pledgee. Pledgee will hold in accordance with this Agreement all items of
the Collateral at any time received under this Agreement. It is expressly
understood and agreed that the obligations of Pledgee as holder of the
Collateral and with respect to the disposition thereof and otherwise under this
Agreement, are only those expressly set forth in this Agreement. Pledgee shall
exercise reasonable care in the custody of the Collateral in its possession or
control hereunder at any time, but shall be deemed to have exercised reasonable
care if such Collateral is accorded treatment substantially equal to that which
Pledgee accords its own property or if Pledgee takes such action with respect to
such Collateral as Pledgor shall request, but no failure to comply with any such
request shall of itself be deemed a failure to exercise reasonable care, nor
shall any failure of Pledgee to take steps to reserve rights against any parties
with respect to any such Collateral be deemed a failure to exercise reasonable
care.

14. Transfer by Pledgor. Pledgor will not sell, assign, pledge or otherwise
dispose of, grant any option with respect to, or mortgage, pledge or otherwise
encumber any of the Collateral or any interest therein (except pursuant to this
Agreement).

15. Pledgor's Obligations Absolute. The obligations of Pledgor under this
Agreement shall not be released, suspended, discharged, terminated or otherwise
affected by, any waiver, consent, extension, indulgence or other action or
inaction under or in respect of any obligations or this Agreement.

16. Private Sale by Pledgee. If at any time when Pledgee shall determine to
exercise its right to sell all or any part of the Pledged Stock pursuant to
Section 7, such Pledged stock or the part thereof to be sold shall not, for any
reason whatsoever, be effectively registered under the Securities Act of 1933,
as then in effect, Pledgee may, in its sole and absolute discretion and to the
extent permitted by law, sell such Pledged Stock or part thereof by private sale
in such manner and under such circumstances as Pledgee may deem necessary or
advisable in order that such sale may legally be effected without such
registration, provided that at least 10 days' notice of the time and place of
any such sale shall be given to Pledgor. Without limiting the generality of the
foregoing, in any such event Pledgee, in its sole and absolute discretion may
(i) to the extent permitted by law, proceed to make such private sale
notwithstanding that a registration statement for the purpose of registering
such Pledged Stock or part thereof shall have been filed under the Securities
Act of 1933, (ii) approach and negotiate with a single possible purchaser to
effect such sale, and (iii) restrict such sale to a purchaser who will represent
and agree that such purchaser is purchasing for its own account, for investment,
and not with a view to the distribution or sale of such Pledged Stock or part
thereof. In the event of any such sale, Pledgee shall incur no responsibility or
liability for selling all or any part of the Pledged Stock at a price which
Pledgee, in its sole and discretion, may in good faith deem reasonable under the
circumstances, notwithstanding the possibility that a

                                       6
<PAGE>   7

substantially higher price might be realized if the sale were deferred until
after registration as aforesaid.

17. Termination; Complete Release. When all obligations have been paid and
performed in full, this Agreement shall terminate, and Pledgee, at the request
and expense of Pledgor, will execute and deliver to Pledgor a proper instrument
or instruments acknowledging the satisfaction and termination of this Agreement,
and will duly assign, transfer and deliver to Pledgor (without recourse and
without any representation or warranty) such of the Collateral as has not
theretofore been sold or otherwise applied or released pursuant to this
Agreement, together with any moneys at the time held by Pledgee hereunder.

18. Pledgee May Perform. If Pledgor fails to perform any obligation contained in
this Agreement, Pledgee may itself perform, or cause performance of, such
obligation, and the expenses incurred by Pledgee in connection therewith shall
be payable to Pledgee by Pledgor upon demand by Pledgee.

19. Assignment. Neither party shall assign any of its rights or delegate any of
its duties hereunder without the prior written consent of the other, which
consent shall not be unreasonably withheld or delayed, and any assignment or
delegation made without such consent shall be void.

20. Amendments. No modification of or amendment to this Agreement shall be valid
and binding unless in writing and signed by both parties.

21. Applicable Law. This Agreement shall be governed by and construed in
accordance with the laws of the State of Colorado, without regard to the
conflicts of laws principles of such State.

22. Waiver. Failure by either party in any one or more instances to insist upon
strict performance of any of the terms and conditions of this Agreement or to
exercise any right herein conferred shall not be construed as a waiver or
relinquishment of that right or of the right to assert or rely upon the terms of
this Agreement.

23. Severability. The invalidity or unenforceability of any provision of this
Agreement shall not affect the validity or enforceability of any other
provision.

24. Authority. Each party warrants that it has the full power and authority to
enter into and perform under this Agreement and to make all representations,
warranties, and grants set forth herein.

25. Notices. All notices or other communications which are required to be given
or may be given to the parties pursuant to the terms of this Agreement shall be
sufficient in all respects if given in writing and delivered personally, sent by
nationally-recognized, overnight courier or mailed by registered or certified
mail (return receipt requested), postage prepaid, to the parties addressed as
set forth in the first paragraph of this

                                       7
<PAGE>   8

Agreement. All such notices and other communications shall be deemed to have
been given and received (A) in the case of personal delivery, on the date of
such delivery, and (B) in the case of delivery by nationally-recognized,
overnight courier, and in the case of mailing, on the delivery or refusal date
as indicated on the return receipt. Either party may change his or its address
for such notices or communications by giving notice thereof to the other party
in conformity with this Section 25.

         IN WITNESS WHEREOF, the parties hereto have duly executed this
Agreement by their authorized representatives as of the date first written
above.

                                    PLEDGOR:

                                    /s/ GLENN E. MONTGOMERY, JR.
                                    ----------------------------------------
                                    Glenn E. Montgomery, Jr.

                                    PLEDGEE:

                                    Convergent Group Corporation,
                                    a Delaware corporation

                                    By: /s/ SCOTT M. SCHLEY
                                       -------------------------------------
                                    Name:  Scott M. Schley
                                    Title: Chief Financial Officer

DENVER:0934750.02

                                       8

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