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                                                                     EXHIBIT 4.4

                   AMENDED AND RESTATED REGISTRATION AGREEMENT

          THIS AMENDED AND RESTATED REGISTRATION AGREEMENT (this "AGREEMENT") is
made as of November 26, 2002, by and among (i) DigitalNet Holdings, Inc., a
Delaware corporation (together with its successors and permitted assigns, the
"COMPANY"), (ii) GTCR Fund VII, L.P., a Delaware limited partnership ("GTCR FUND
VII"), (iii) GTCR Co-Invest, L.P., a Delaware limited partnership ("CO-INVEST,"
and, together with GTCR Fund VII and any investment fund managed by GTCR Golder
Rauner, L.L.C. which, at any time, acquires securities of the Company and
executes a counterpart of this Agreement or otherwise agrees to be bound by this
Agreement, the "GTCR INVESTORS"), (iv) the Pearlstein Family, LLC, (the
"PEARLSTEIN PURCHASER"), The Ian Z. Pearlstein 2001 Trust and The Ivanna V.
Pearlstein 2001 Trust, (v) the J. Sunny Bajaj Trust, the Rueben Bajaj Trust and
the Bajaj Family Limited Partnership (each a "BAJAJ PURCHASER" and,
collectively, the "BAJAJ PURCHASERS"), (vi) Ken S. Bajaj ("BAJAJ"), Jack
Pearlstein ("PEARLSTEIN"), and any other executive employee of the Company who,
at any time, acquires securities of the Company in accordance with SECTION 10
hereof and executes a counterpart of this Agreement or otherwise agrees to be
bound by this Agreement (each, an "EXECUTIVE" and, collectively, the
"EXECUTIVES"), (vii) GetronicsWang Co. LLC, a Delaware limited liability company
("GETRONICS"), (viii) Banc of America Mezzanine Capital LLC (together with its
permitted transferees, the "WARRANT HOLDERS"), and (ix) each of the other
entities and individuals set forth from time to time on the attached "SCHEDULE
OF HOLDERS" under the heading "OTHER STOCKHOLDERS" who, at any time, acquires
securities of the Company in accordance with SECTION 9 hereof and executes a
counterpart of this Agreement or otherwise agrees to be bound by this Agreement.
The GTCR Investors are sometimes referred to herein as the "INVESTORS." Unless
otherwise provided in this Agreement, capitalized terms used herein shall have
the meanings set forth in SECTION 10 hereof.

          WHEREAS, the parties hereto wish to amend and restate in its entirety
that certain Registration Agreement, dated as of September 7, 2001 (the
"EXISTING REGISTRATION AGREEMENT"), by and between the Company and certain of
the parties hereto and upon proper execution and delivery of this Agreement, the
Existing Registration Agreement shall be superseded by this Agreement and
canceled in its entirety;

          WHEREAS, the Company, the Investors, the Bajaj Purchasers and the
Pearlstein Purchaser are parties to a Purchase Agreement, dated as of September
7, 2001 (the "PURCHASE AGREEMENT") and in order to induce the Investors, the
Bajaj Purchasers and the Pearlstein Purchaser to enter into the Purchase
Agreement, the Company agreed to provide the registration rights set forth in
the Existing Registration Agreement;

          WHEREAS, simultaneously with the execution hereof, the Company issued
shares of its Class B Preferred Stock, par value $0.01 per share (the "CLASS B
PREFERRED"), in connection with DigitalNet, Inc.'s acquisition of Getronics
Government Solutions, L.L.C. pursuant to a Purchase Agreement dated as of
September 27, 2002 (the "GETRONICS PURCHASE AGREEMENT");

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          WHEREAS, pursuant to a Bridge Loan Agreement, dated as of the date
hereof (the "WARRANT AGREEMENT"), by and among the Company, DigitalNet, Inc.
("DIGITALNET"), the Warrant Holders and the other lenders party thereto, the
Company executed Common Stock Purchase Warrants pursuant to which the Company
issued, subject to the terms of that certain Warrant Escrow Agreement dated as
of the date hereof by and among the Company, the Warrant Holder and the escrow
agent identified therein, warrants (the "WARRANTS") to purchase, in the
aggregate, 3,794,762 shares of Common Stock and agreed to become parties hereto;
and

          WHEREAS, the execution and delivery of this Agreement is a condition
to the consummation of the transactions contemplated by the Getronics Purchase
Agreement.

          NOW, THEREFORE, in consideration of the mutual covenants contained
herein and other good and valuable consideration, the receipt and sufficiency of
which are hereby acknowledged, the parties to this Agreement hereby agree as
follows:

          1.   DEMAND REGISTRATIONS.

          (a)  REQUESTS FOR REGISTRATION. At any time, the holders of a majority
of the Investor Registrable Securities and, if after a failure to repay the
Bridge Loan Obligations in full in cash on or prior to August 26, 2003, or if
DigitalNet exercises the Extension Option (as defined in the Warrant Agreement)
on or prior to November 26, 2003, at any time after the date that is six-months
after the Company's initial public offering, the holders of a majority of the
Warrant Holder Registrable Securities, may request registration under the
Securities Act of all or any portion of their Registrable Securities on Form S-1
or any similar long-form registration ("LONG-FORM REGISTRATIONS"), or on Form
S-2 or S-3 (including pursuant to Rule 415 under the Securities Act) or any
similar short-form registration ("SHORT-FORM REGISTRATIONS"), if available. All
registrations requested pursuant to this SECTION 1(a) are referred to herein as
"DEMAND REGISTRATIONS." Each request for a Demand Registration shall specify the
approximate number of Registrable Securities requested to be registered and the
anticipated per share price range for such offering. Within ten days after
receipt of any such request, the Company shall give written notice of such
requested registration to all other holders of Registrable Securities and shall
include in such registration all Registrable Securities with respect to which
the Company has received written requests for inclusion therein within 15 days
after the receipt of the Company's notice.

          (b)  INVESTOR LONG-FORM REGISTRATIONS. The holders of Investor
Registrable Securities shall be entitled to request (i) four Long-Form
Registrations in which the Company shall pay all Registration Expenses
("COMPANY-PAID LONG-FORM REGISTRATIONS") and (ii) an unlimited number of
Long-Form Registrations in which the holders of Registrable Securities shall pay
their share of the Registration Expenses (as defined in SECTION 5). No Long-Form
Registration shall count as a Company-Paid Long-Form Registration unless the
holders of Investor Registrable Securities are able to register and sell at
least 90% of the Investor Registrable Securities requested to be included in
such registration; provided that in any event the Company shall pay all
Registration Expenses in connection with any registration initiated as a
Company-Paid Long-Form Registration whether or not it has become effective and
whether or not such registration has counted as one of the permitted
Company-Paid Long-Form Registrations. All Long-Form Registrations shall be
underwritten registrations.

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          (c)  INVESTOR SHORT-FORM REGISTRATIONS. In addition to the Long-Form
Registrations provided pursuant to SECTION 1(b), the holders of Investor
Registrable Securities shall be entitled to request an unlimited number of
Short-Form Registrations in which the Company shall pay all Registration
Expenses. Demand Registrations shall be Short-Form Registrations whenever the
Company is permitted to use any applicable short form. After the Company has
become subject to the reporting requirements of the Securities Exchange Act, the
Company shall use its reasonable best efforts to make Short-Form Registrations
on Form S-3 available for the sale of Registrable Securities. If the Company,
pursuant to the request of the holder(s) of a majority of Investor Registrable
Securities, is qualified to and has filed with the Securities and Exchange
Commission a registration statement under the Securities Act on Form S-3
pursuant to Rule 415 under the Securities Act (the "REQUIRED REGISTRATION"),
then the Company shall use its reasonable best efforts to cause the Required
Registration to be declared effective under the Securities Act as soon as
practicable after filing, and, once effective, the Company shall use its
reasonable best efforts to cause such Required Registration to remain effective
for a period ending on the earlier of (i) the date on which all Investor
Registrable Securities have been sold pursuant to the Required Registration or
(ii) the date as of which the holder(s) of Investor Registrable Securities
(assuming such holder(s) are affiliates of the Company) are able to sell all of
the Investor Registrable Securities then held by them within a ninety-day period
in compliance with Rule 144 under the Securities Act.

          (d)  WARRANT HOLDER LONG-FORM REGISTRATION. Unless a Short-Form
Registration is available, the holders of Warrant Holder Registrable Securities
shall be entitled to request one Long-Form Registration in which the Company
shall pay all Registration Expenses ("COMPANY-PAID WARRANT HOLDER LONG-FORM
REGISTRATION"). No Long-Form Registration shall count as the Company-Paid
Warrant Holder Long-Form Registration unless the holders of Warrant Holder
Registrable Securities are able to register and sell at least 90% of the Warrant
Holder Registrable Securities requested to be included in such registration;
provided that in any event the Company shall pay all Registration Expenses in
connection with any registration initiated as a Company-Paid Warrant Holder
Long-Form Registration whether or not it has become effective and whether or not
such registration has counted as one of the permitted Company-Paid Warrant
Holder Long-Form Registration. All Long-Form Registrations shall be underwritten
registrations.

          (e)  WARRANT HOLDER SHORT-FORM REGISTRATIONS. If a Short-Form
Registration is available, then in lieu of the Long-Form Registration provided
pursuant to SECTION 1(d), the holders of Warrant Holder Registrable Securities
shall be entitled to request one Short-Form Registration in which the Company
shall pay all Registration Expenses (the "COMPANY-PAID WARRANT HOLDER SHORT-FORM
REGISTRATION"). Demand Registrations shall be Short-Form Registrations whenever
the Company is permitted to use any applicable short form. After the Company has
become subject to the reporting requirements of the Securities Exchange Act, the
Company shall use its reasonable best efforts to make Short-Form Registrations
on Form S-3 available for the sale of Registrable Securities. No Short-Form
Registration shall count as the Company-Paid Warrant Holder Short-Form
Registration unless the holders of Warrant Holder Registrable Securities are
able to register and sell at least 90% of the Warrant Holder Registrable
Securities requested to be included in such registration; provided that in any
event the Company shall pay all Registration Expenses in connection with any
registration initiated as the Company-Paid Warrant Holder Short-Form
Registration whether or not it has

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become effective and whether or not such registration has counted as the
permitted Company-Paid Warrant Holder Short-Form Registration.

          (f)  PRIORITY ON DEMAND REGISTRATIONS. The Company shall not include
in any Demand Registration any securities which are not Registrable Securities
without the prior written consent of the holders of a majority of the
Registrable Securities included in such registration. If a Demand Registration
is an underwritten offering and the managing underwriters advise the Company in
writing that, in their opinion, the number of Registrable Securities and, if
permitted hereunder, other securities requested to be included in such offering
exceeds the number of Registrable Securities and other securities, if any, which
can be sold in an orderly manner in such offering within a price range
acceptable to the holders of a majority of the Registrable Securities to be
included in such registration therein, without adversely affecting the
marketability of the offering, then the Company shall include in such
registration, prior to the inclusion of any securities which are not Registrable
Securities, the number of Registrable Securities requested to be included which,
in the opinion of such underwriters, can be sold in an orderly manner within the
price range of such offering, pro rata among the respective holders thereof on
the basis of the amount of Registrable Securities owned by each such holder.
Unless consented to by the Company and the holders of a majority of the
Registrable Securities included in such registration, any Person other than
holders of Registrable Securities which participates in Demand Registrations
that are not at the Company's expense shall pay their share of the Registration
Expenses in accordance with SECTION 5 hereof.

          (g)  RESTRICTIONS ON LONG-FORM REGISTRATIONS. The Company shall not be
obligated to effect any Long-Form Registration within 90 days after the
effective date of a previous Long-Form Registration or a previous registration
in which the holders of Registrable Securities were given piggyback rights
pursuant to SECTION 2 and in which there was no reduction in the number of
Registrable Securities requested to be included. The Company may postpone for up
to 180 days the filing or the effectiveness of a registration statement for a
Demand Registration requested by the holders of a majority of the Investor
Registrable Securities if the Company and the holders of a majority of the
Investor Registrable Securities agree that such Demand Registration would
reasonably be expected to have a material adverse effect on any proposal or plan
by the Company or any of its Subsidiaries to acquire financing, engage in any
acquisition of assets (other than in the ordinary course of business), or engage
in any merger, consolidation, tender offer, reorganization, or similar
transaction; PROVIDED THAT, in such event, the holders of the Investor
Registrable Securities initially requesting such Demand Registration shall be
entitled to withdraw such request, and the Company shall pay all Registration
Expenses in connection with such registration. The Company may postpone for up
to 180 days the filing or the effectiveness of a registration statement for a
Demand Registration requested by the holders of a majority of the Warrant Holder
Registrable Securities if the Company believes that such Demand Registration
would reasonably be expected to have a material adverse effect on any proposal
or plan by the Company or any of its Subsidiaries to acquire financing, engage
in any acquisition of assets (other than in the ordinary course of business), or
engage in any merger, consolidation, tender offer, reorganization, or similar
transaction; PROVIDED THAT, in such event, the holders of the Warrant Holder
Registrable Securities initially requesting such Demand Registration shall be
entitled to withdraw such request, and the Company shall pay all Registration
Expenses in connection with such registration. The Company may delay a Demand
Registration requested by the holders of a

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majority of the Investor Registrable Securities hereunder only once in any
twelve-month period, and the Company may delay a Demand Registration requested
by the holders of a majority of the Warrant Holder Registrable Securities
hereunder only once in any twelve-month period.

          (h)  SELECTION OF UNDERWRITERS. The holders of a majority of the
Registrable Securities included in any Demand Registration shall have the right
to select the investment banker(s) and manager(s) to administer the offering;
provided, however, that such investment banker(s) and manager(s) shall be
approved by the Company's Board of Directors, which approval shall not be
unreasonably withheld.

          (i)  OTHER REGISTRATION RIGHTS. Except as provided in this Agreement,
the Company shall not grant to any Persons the right to request the Company to
register any equity securities of the Company, or any securities, options, or
rights convertible or exchangeable into or exercisable for such securities,
without the prior written consent of the holders of a majority of the Investor
Registrable Securities.

          2.   PIGGYBACK REGISTRATIONS.

          (a)  RIGHT TO PIGGYBACK. Whenever the Company proposes to register any
of its securities (including any proposed registration of the Company's
securities by any third party) under the Securities Act (other than (i) pursuant
to a Demand Registration to which SECTION 1 is applicable, (ii) in connection
with an initial public offering of the Company's equity securities, or (iii) in
connection with registrations on Form S-4, Form S-8 or any successor or similar
forms) and the registration form to be used may be used for the registration of
Registrable Securities (a "PIGGYBACK REGISTRATION"), the Company shall give
prompt written notice (and in any event within three business days after its
receipt of notice of any exercise of demand registration rights other than under
this Agreement) to all holders of Registrable Securities of its intention to
effect such a registration and shall include in such registration all
Registrable Securities with respect to which the Company has received written
requests for inclusion therein within 15 days after the receipt of the Company's
notice.

          (b)  PIGGYBACK EXPENSES. The Registration Expenses of the holders of
Registrable Securities shall be paid by the Company in all Piggyback
Registrations, whether or not such registration is consummated.

          (c)  PRIORITY ON PRIMARY REGISTRATIONS. If a Piggyback Registration is
an underwritten primary registration on behalf of the Company, and the managing
underwriters advise the Company in writing that, in their opinion, the number of
securities requested to be included in such registration exceeds the number
which can be sold in an orderly manner in such offering within a price range
acceptable to the Company, then the Company shall include in such registration
(i) first, the securities the Company proposes to sell, (ii) second, the
Registrable Securities requested to be included in such registration, pro rata
among the holders of such Registrable Securities on the basis of the number of
shares owned by each such holder and (iii) third, the other securities requested
to be included in such registration.

          (d)  PRIORITY ON SECONDARY REGISTRATIONS. If a Piggyback Registration
is an underwritten secondary registration on behalf of holders of the Company's
securities other than

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holders of Registrable Securities (it being understood that secondary
registrations on behalf of holders of Investor Registrable Securities and
Warrant Holder Registrable Securities are addressed in SECTION 1 above rather
than this SECTION 2(d)), and the managing underwriters advise the Company in
writing that, in their opinion, the number of securities requested to be
included in such registration exceeds the number which can be sold in an orderly
manner in such offering within a price range acceptable to the holders of a
majority of the Registrable Securities to be included in such registration, then
the Company shall include in such registration (i) first, the securities
requested to be included therein by the holders requesting such registration,
(ii) second, the Registrable Securities requested to be included in such
registration, pro rata among the holders of such Registrable Securities on the
basis of the number of shares owned by each such holder and (iii) third, the
other securities requested to be included in such registration.

          (e)  SELECTION OF UNDERWRITERS. If any Piggyback Registration is an
underwritten offering, then the selection of investment banker(s) and manager(s)
for the offering must be approved by the holders of a majority of the Investor
Registrable Securities included in such Piggyback Registration. Such approval
shall not be unreasonably withheld.

          (f)  OTHER REGISTRATIONS. If the Company has previously filed a
registration statement with respect to Registrable Securities pursuant to
SECTION 1 or pursuant to this SECTION 2, and if such previous registration has
not been withdrawn or abandoned, then, unless such previous registration is a
Required Registration, the Company shall not file or cause to be effected any
other registration of any of its equity securities or securities convertible or
exchangeable into or exercisable for its equity securities under the Securities
Act (except on Form S-8 or any successor form), whether on its own behalf or at
the request of any holder or holders of such securities, until a period of at
least 180 days has elapsed from the effective date of such previous
registration.

          3.   HOLDBACK AGREEMENTS.

          (a)  To the extent not inconsistent with applicable law, no holder of
Registrable Securities shall effect any public sale or distribution (including
sales pursuant to Rule 144 of the Securities Act) of equity securities of the
Company, or any securities, options, or rights convertible into or exchangeable
or exercisable for such securities, during the seven days prior to and the
180-day period beginning on the effective date of any initial public offering or
any underwritten Demand Registration or any underwritten Piggyback Registration
in which Registrable Securities are included (except as part of such
underwritten registration or pursuant to registrations on Form S-4 or Form S-8
or any successor form), unless the underwriters managing the registered public
offering otherwise agree.

          (b)  The Company (i) shall not effect any public sale or distribution
of its equity securities, or any securities, options, or rights convertible into
or exchangeable or exercisable for such securities, during the seven days prior
to and during the 180-day period beginning on the effective date of any
underwritten Demand Registration or any underwritten Piggyback Registration
(except as part of such underwritten registration or pursuant to registrations
on Form S-8 or any successor form), unless the underwriters managing the
registered public offering otherwise agree, and (ii) to the extent not
inconsistent with applicable law, shall use its reasonable best efforts to cause
each holder of its equity securities, or any

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securities convertible into or exchangeable or exercisable for equity
securities, purchased from the Company at any time after the date of this
Agreement (other than in a registered public offering) to agree not to effect
any public sale or distribution (including sales pursuant to Rule 144 of the
Securities Act) of any such securities during such period (except as part of
such underwritten registration, if otherwise permitted), unless the underwriters
managing the registered public offering otherwise agree.

          4.   REGISTRATION PROCEDURES. Whenever the holders of Registrable
Securities have requested that any Registrable Securities be registered pursuant
to this Agreement, the Company shall use its best efforts to effect the
registration and the sale of such Registrable Securities in accordance with the
intended method of disposition thereof, and pursuant thereto the Company shall
as expeditiously as possible:

          (a)  prepare and, within 75 days after the end of the period within
which requests for registration may be given to the Company, file with the
Securities and Exchange Commission a registration statement with respect to such
Registrable Securities and use its best efforts to cause such registration
statement to become effective (provided that, before filing a registration
statement or prospectus or any amendments or supplements thereto, the Company
shall furnish to the counsel selected by the holders of a majority of the
Registrable Securities covered by such registration statement copies of all such
documents proposed to be filed, which documents shall be subject to the review
and comment of such counsel);

          (b)  notify in writing each holder of Registrable Securities of the
effectiveness of each registration statement filed hereunder and prepare and
file with the Securities and Exchange Commission such amendments and supplements
to such registration statement and the prospectus used in connection therewith
as may be necessary to keep such registration statement effective for a period
of not less than 180 days (or, if such registration statement relates to an
underwritten offering, such longer period as in the opinion of counsel for the
underwriters a prospectus is required by law to be delivered in connection with
sales of Registrable Securities by an underwriter or dealer) and comply with the
provisions of the Securities Act with respect to the disposition of all
securities covered by such registration statement during such period in
accordance with the intended methods of disposition by the sellers thereof set
forth in such registration statement;

          (c)  furnish to each seller of Registrable Securities such number of
copies of such registration statement, each amendment and supplement thereto,
the prospectus included in such registration statement (including each
preliminary prospectus), and such other documents as such seller may reasonably
request in order to facilitate the disposition of the Registrable Securities
owned by such seller;

          (d)  use its best efforts to register or qualify such Registrable
Securities under such other securities or blue sky laws of such jurisdictions as
any seller reasonably requests and do any and all other acts and things which
may be reasonably necessary or advisable to enable such seller of Registrable
Securities to consummate the disposition in such jurisdictions of the
Registrable Securities owned by such seller of Registrable Securities (provided
that the Company shall not be required to (i) qualify generally to do business
in any jurisdiction where it would not

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otherwise be required to qualify but for this SECTION 4(d), (ii) subject itself
to taxation in any such jurisdiction, or (iii) consent to general service of
process in any such jurisdiction);

          (e)  promptly notify in writing each seller of such Registrable
Securities, at any time when a prospectus relating thereto is required to be
delivered under the Securities Act, of the happening of any event as a result of
which the prospectus included in such registration statement contains an untrue
statement of a material fact or omits any fact necessary to make the statements
therein not misleading in light of the circumstances under which they were made,
and, at the request of any such seller, the Company shall prepare and furnish to
each such seller a reasonable number of copies of a supplement or amendment to
such prospectus so that, as thereafter delivered to the purchasers of such
Registrable Securities, such prospectus shall not contain an untrue statement of
a material fact or omit to state any fact necessary to make the statements
therein not misleading in light of the circumstances under which they were made;

          (f)  use its best efforts to cause all such Registrable Securities to
be listed on each securities exchange on which similar securities issued by the
Company are then listed and, if not so listed, to be listed on the NASD
automated quotation system and, if listed on the NASD automated quotation
system, use its best efforts to secure designation of all such Registrable
Securities covered by such registration statement as a NASDAQ "national market
system security" within the meaning of Rule 11Aa2-1 of the Securities and
Exchange Commission or, failing that, to secure NASDAQ authorization for such
Registrable Securities;

          (g)  provide a transfer agent and registrar for all such Registrable
Securities not later than the effective date of such registration statement;

          (h)  enter into such customary agreements (including underwriting
agreements in customary form) and take all such other actions as the holders of
a majority of the Registrable Securities being sold or the underwriters, if any,
reasonably request in order to expedite or facilitate the disposition of
Registrable Securities (including effecting a stock split or a combination of
shares);

          (i)  make available for inspection by any underwriter participating in
any disposition pursuant to such registration statement, and any attorney,
accountant, or other agent retained by any seller of Registrable Securities or
any such underwriter, all financial and other records, pertinent corporate
documents and properties of the Company reasonably requested by such
underwriter, and cause the Company's officers, directors, employees, and
independent accountants to supply all information reasonably requested by any
seller of Registrable Securities, or any such underwriter, attorney, accountant,
or agent in connection with such registration statement and assist and, at the
request of any participating seller or underwriter, use reasonable best efforts
to cause such officers or directors to participate in presentations to
prospective purchasers;

          (j)  otherwise use its best efforts to comply with all applicable
rules and regulations of the Securities and Exchange Commission, and make
available to its security holders, as soon as reasonably practicable, an
earnings statement covering the period of at least twelve months beginning with
the first day of the Company's first full calendar quarter after the

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effective date of the registration statement, which earnings statement shall
satisfy the provisions of Section 11(a) of the Securities Act and Rule 158
thereunder;

          (k)  in the event of the issuance of any stop order suspending the
effectiveness of a registration statement, or of any order suspending or
preventing the use of any related prospectus or suspending the qualification of
any equity securities included in such registration statement for sale in any
jurisdiction, the Company shall use its best efforts promptly to obtain the
withdrawal of such order;

          (l)  use reasonable efforts to cause such Registrable Securities
covered by such registration statement to be registered with or approved by such
other governmental agencies or authorities as may be necessary to enable the
sellers thereof to consummate the disposition of such Registrable Securities;

          (m)  obtain one or more cold comfort letters, addressed to the
underwriters, if any, and dated the effective date of such registration
statement (and, if such registration includes an underwritten public offering,
dated the date of the closing under the underwriting agreement), from the
Company's independent public accountants in customary form and covering such
matters of the type customarily covered by cold comfort letters as the holders
of a majority of the Registrable Securities being sold in such registered
offering reasonably request (provided that such Registrable Securities
constitute at least 10% of the securities covered by such registration
statement). To the extent consistent with Statement on Auditing Standards No. 72
of the American Institute of Certified Public Accounts, the Company shall use
reasonable efforts to also have such cold comfort letters addressed to the
holders of the Registrable Securities being sold in such registered offering;
and

          (n)  provide a legal opinion of the Company's outside counsel, dated
the effective date of such registration statement (or, if such registration
includes an underwritten public offering, dated the date of the closing under
the underwriting agreement), with respect to the registration statement, each
amendment and supplement thereto, the prospectus included therein (including the
preliminary prospectus) and such other documents relating thereto (which counsel
and opinions shall be reasonably satisfactory to the managing underwriters, if
any, and the holders of a majority of the Registrable Securities being sold).
Such legal opinions shall be addressed to each selling holder and the
underwriters, if any, and shall be in customary form and covering such matters
of the type customarily covered by legal opinions of such nature.

          5.   REGISTRATION EXPENSES.

          (a)  Subject to SECTION 5(b) below, all expenses incident to or
incurred in connection with the Company's performance of or compliance with this
Agreement, including all registration and filing fees, fees and expenses of
compliance with securities or blue sky laws, printing expenses, travel expenses,
filing expenses, messenger and delivery expenses, fees and disbursements of
custodians, and fees and disbursements of counsel for the Company, and fees and
disbursements of all independent certified public accountants, underwriters
including, if necessary, a "qualified independent underwriter" within the
meaning of the rules of the National Association of Securities Dealers, Inc. (in
each case, excluding discounts and commissions), and other Persons retained by
the Company (all such expenses being herein called "REGISTRATION

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EXPENSES"), shall be borne as provided in this Agreement, except that the
Company shall, in any event, pay its internal expenses (including all salaries
and expenses of its officers and employees performing legal or accounting
duties), the expense of any annual audit or quarterly review, the expense of any
liability insurance, and the expenses and fees for listing the securities to be
registered on each securities exchange on which similar securities issued by the
Company are then listed or on the NASD automated quotation system (or any
successor or similar system).

          (b)  In connection with each Demand Registration and each Piggyback
Registration, the Company shall reimburse the holders of Registrable Securities
included in such registration for the reasonable fees and disbursements of one
counsel chosen by the holders of a majority of the Registrable Securities
included in such registration.

          (c)  To the extent Registration Expenses are not required to be paid
by the Company, each holder of securities included in any registration hereunder
shall pay those Registration Expenses allocable to the registration of such
holder's securities so included, and any Registration Expenses not so allocable
shall be borne by all sellers of securities included in such registration in
proportion to the aggregate selling price of the securities to be so registered.

          6.   INDEMNIFICATION.

          (a)  The Company agrees to indemnify and hold harmless, to the fullest
extent permitted by law, each holder of Registrable Securities, its officers,
directors, agents, partners, members, and employees, and each Person who
controls such holder (within the meaning of the Securities Act) against all
losses, claims, damages, liabilities, and expenses (or actions or proceedings,
whether commenced or threatened, in respect thereof), whether joint and several
or several, together with reasonable costs and expenses (including reasonable
attorney's fees) to which any such indemnified party may become subject under
the Securities Act or otherwise (collectively, "LOSSES") caused by, resulting
from, arising out of, based upon, or relating to any untrue or alleged untrue
statement of material fact contained in (i) (A) any registration statement,
prospectus or preliminary prospectus, or any amendment thereof or supplement
thereto or (B) any application or other document or communication (in this
SECTION 6, collectively called an "application") executed by or on behalf of the
Company or based upon written information furnished by or on behalf of the
Company filed in any jurisdiction in order to qualify any securities covered by
such registration under the "blue sky" or securities laws thereof, (ii) any
omission or alleged omission of a material fact required to be stated therein or
necessary to make the statements therein not misleading, or (iii) any violation
by the Company of any rule or regulation promulgated pursuant to any federal,
state or common law rule or regulation including, without limitation, the
Securities Act, applicable to the Company and relating to action or inaction
required of the Company in connection with any such registration, qualification
or compliance, and the Company will reimburse such holder and each such
director, officer, employee, partner, member and controlling Person for any
legal or any other expenses incurred by them in connection with investigating or
defending any such Losses; PROVIDED THAT the Company shall not be liable in any
such case to the extent that any such Losses result from, arise out of, are
based upon, or relate to an untrue statement or alleged untrue statement, or
omission or alleged omission, made in such registration statement, any such
prospectus, or preliminary prospectus or any amendment or supplement thereto, or
in any application, in reliance upon, and in conformity with, written
information prepared and furnished in writing to the Company by such holder

                                     - 10 -
<Page>

expressly for use therein or by such holder's failure to deliver a copy of the
registration statement or prospectus or any amendments or supplements thereto
after the Company has furnished such holder with a sufficient number of copies
of the same. In connection with an underwritten offering, the Company shall
indemnify such underwriters, their officers and directors, and each Person who
controls such underwriters (within the meaning of the Securities Act) to the
same extent as provided above with respect to the indemnification of the holders
of Registrable Securities.

          (b)  In connection with any registration statement in which a holder
of Registrable Securities is participating, each such holder will furnish to the
Company in writing such information and affidavits as the Company reasonably
requests for use in connection with any such registration statement or
prospectus and, to the fullest extent permitted by law, shall indemnify and hold
harmless the other holders of Registrable Securities and the Company, and their
respective officers, directors, agents, and employees, and each other Person who
controls the Company (within the meaning of the Securities Act) against any
Losses caused by, resulting from, arising out of, based upon, or relating to (i)
any untrue or alleged untrue statement of material fact contained in the
registration statement, prospectus or preliminary prospectus, or any amendment
thereof or supplement thereto or in any application, or (ii) any omission or
alleged omission of a material fact required to be stated therein or necessary
to make the statements therein not misleading, but only to the extent that such
untrue statement or omission is made in such registration statement, any such
prospectus or preliminary prospectus or any amendment or supplement thereto, or
in any application in reliance upon and in conformity with written information
prepared and furnished to the Company by such holder expressly for use therein,
and such holder will reimburse the Company and each such other indemnified party
for any legal or any other expenses incurred by them in connection with
investigating or defending any such Losses; PROVIDED THAT the obligation to
indemnify will be individual, not joint and several, for each holder and shall
be limited to the net amount of proceeds received by such holder from the sale
of Registrable Securities held by such holder pursuant to such registration
statement.

          (c)  Any Person entitled to indemnification hereunder will (i) give
prompt written notice to the indemnifying party of any claim with respect to
which it seeks indemnification (provided that the failure to give prompt notice
shall not impair any Person's right to indemnification hereunder to the extent
such failure has not prejudiced the indemnifying party) and (ii) unless in such
indemnified party's reasonable judgment a conflict of interest between such
indemnified and indemnifying parties may exist with respect to such claim,
permit such indemnifying party to assume the defense of such claim with counsel
reasonably satisfactory to the indemnified party. If such defense is assumed,
then the indemnifying party will not be subject to any liability for any
settlement made by the indemnified party without its consent (but such consent
will not be unreasonably withheld). An indemnifying party who is not entitled
to, or elects not to, assume the defense of a claim will not be obligated to pay
the fees and expenses of more than one counsel for all parties indemnified by
such indemnifying party with respect to such claim, unless in the reasonable
judgment of any indemnified party a conflict of interest may exist between such
indemnified party and any other of such indemnified parties with respect to such
claim.

          (d)  The indemnification provided for under this Agreement shall be in
addition to any other rights to indemnification or contribution which any
indemnified party may

                                     - 11 -
<Page>

have pursuant to law or contract, and will remain in full force and effect
regardless of any investigation made or omitted by or on behalf of the
indemnified party or any officer, director, or controlling Person of such
indemnified party and shall survive the transfer of securities.

          (e)  If the indemnification provided for in this SECTION 6 is
unavailable to or is insufficient to hold harmless an indemnified party under
the provisions above in respect to any Losses referred to therein, then each
indemnifying party shall contribute to the amount paid or payable by such
indemnified party as a result of such Losses (i) in such proportion as is
appropriate to reflect the relative fault of the Company on the one hand and the
sellers of Registrable Securities and any other sellers participating in the
registration statement on the other hand or (ii) if the allocation provided by
clause (i) above is not permitted by applicable law, then in such proportion as
is appropriate to reflect not only the relative fault referred to in clause (i)
above but also the relative benefit of the Company on the one hand and of the
sellers of Registrable Securities and any other sellers participating in the
registration statement on the other in connection with the statement or
omissions which resulted in such Losses, as well as any other relevant equitable
considerations. The relative benefits received by the Company on the one hand
and the sellers of Registrable Securities and any other sellers participating in
the registration statement on the other shall be deemed to be in the same
proportion as the total net proceeds from the offering (before deducting
expenses) to the Company bear to the total net proceeds from the offering
(before deducting expenses) to the sellers of Registrable Securities and any
other sellers participating in the registration statement. The relative fault of
the Company on the one hand and of the sellers of Registrable Securities and any
other sellers participating in the registration statement on the other shall be
determined by reference to, among other things, whether the untrue or alleged
omission to state a material fact relates to information supplied by the Company
or by the sellers of Registrable Securities or other sellers participating in
the registration statement and the parties' relative intent, knowledge, access
to information, and opportunity to correct or prevent such statement or
omission.

          (f)  The Company and the sellers of Registrable Securities agree that
it would not be just and equitable if contribution pursuant to this SECTION 6
were determined by pro rata allocation (even if the sellers of Registrable
Securities were treated as one entity for such purpose) or by any other method
of allocation which does not take account of the equitable considerations
referred to in SECTION 6(e) above. The amount paid or payable by an indemnified
party as a result of the Losses referred to in SECTION 6(e) above shall be
deemed to include, subject to the limitations set forth above, any legal or
other expenses reasonably incurred by such indemnified party in connection with
investigating or defending any such action or claim. Notwithstanding the
provisions of this SECTION 6, no seller of Registrable Securities shall be
required to contribute pursuant to this SECTION 6 any amount in excess of the
sum of (i) any amounts paid pursuant to SECTION 6(b) above and (ii) the net
proceeds received by such seller from the sale of Registrable Securities covered
by the registration statement filed pursuant hereto. No Person guilty of
fraudulent misrepresentation (within the meaning of Section 11(f) of the
Securities Act) shall be entitled to contribution from any Person who was not
guilty of such fraudulent misrepresentation.

          7.   RULE 144 REPORTING. With a view to making available to the
holders of Registrable Securities benefits of certain rules and regulations of
the Securities and Exchange

                                     - 12 -
<Page>

Commission which may permit the sale of securities to the public without
registration, after the completion of any registration pursuant to SECTION 1 or
SECTION 2 above, the Company agrees to:

          (a)  use commercially reasonable efforts to make and keep public
information available, as those terms are understood and defined in Rule 144
under the Securities Act, or any successor provision thereto, at all times;

          (b)  use commercially reasonable efforts to file with the Securities
and Exchange Commission in a timely manner all reports and other documents
required of the Company under the Securities Act and the Exchange Act; and

          (c)  take any further reasonable action reasonably requested by a
Holder to enable such Holder to sell its Registrable Securities without
registration under Rule 144, under any successor provision, or any similar rule
or regulation promulgated by the SEC from time to time.

          8.   PARTICIPATION IN UNDERWRITTEN REGISTRATIONS.

          (a)  No Person may participate in any underwritten registration
hereunder unless such Person (i) agrees to sell such Person's securities on the
basis provided in any underwriting arrangements approved by the Person or
Persons entitled hereunder to approve such arrangements (including pursuant to
the terms of any over-allotment or "green shoe" option requested by the managing
underwriter(s), PROVIDED THAT no holder of Registrable Securities will be
required to sell more than the number of Registrable Securities that such holder
has requested the Company to include in any registration) and (ii) completes and
executes all questionnaires, powers of attorney, indemnities, underwriting
agreements, and other documents reasonably required under the terms of such
underwriting arrangements; PROVIDED THAT no holder of Registrable Securities
included in any underwritten registration shall be required to make any
representations or warranties to the Company or the underwriters (other than
representations and warranties regarding such holder and such holder's intended
method of distribution) or to undertake any indemnification obligations to the
Company or the underwriters with respect thereto, except as otherwise provided
in SECTION 6 hereof.

          (b)  Each Person that is participating in any registration hereunder
agrees that, upon receipt of any notice from the Company of the happening of any
event of the kind described in SECTION 4(e) above, such Person will immediately
discontinue the disposition of its Registrable Securities pursuant to the
registration statement until such Person's receipt of the copies of a
supplemented or amended prospectus as contemplated by SECTION 4(e). In the event
the Company shall give any such notice, the applicable time period mentioned in
SECTION 4(b) during which a Registration Statement is to remain effective shall
be extended by the number of days during the period from and including the date
of the giving of such notice pursuant to this SECTION 7(b) to and including the
date when each seller of a Registrable Security covered by such registration
statement shall have received the copies of the supplemented or amended
prospectus contemplated by SECTION 4(e).

          9.   ADDITIONAL STOCKHOLDERS. In connection with the issuance of any
additional equity securities of the Company, the Company, with the consent of
GTCR Fund VII, may permit such person to become a party to this Agreement and
succeed to all of the rights and

                                     - 13 -
<Page>

obligations of a holder of any particular category of Registrable Securities
under this Agreement by obtaining an executed counterpart signature page to this
Agreement, and, upon such execution, such person shall for all purposes be a
holder of such category of Registrable Securities and party to this Agreement.

          10.  DEFINITIONS.

          (a)  "COMMON STOCK" means any class of the Company's common stock.

          (b)  "EXECUTIVE REGISTRABLE SECURITIES" means (i) any shares of Common
Stock held as of the date hereof, or acquired hereafter, by the Executives, the
Bajaj Purchasers or the Pearlstein Purchaser and (ii) any other Common Stock
issued or issuable directly or indirectly with respect to the securities
referred to in clause (i) above by way of a stock dividend or stock split or in
connection with an exchange or combination of shares, recapitalization, merger,
consolidation, or other reorganization.

          (c)  "GETRONICS REGISTRABLE SECURITIES" means (i) any shares of Common
Stock held as of the date hereof, or acquired hereafter from the Company, by
Getronics (including, without limitation, any shares of Common Stock issued or
issuable upon conversion of shares of Class B Preferred) and (ii) any shares of
Common Stock issued or issuable directly or indirectly with respect to the
securities referred to in clause (i) above by way of stock dividend or stock
split or in connection with a combination of securities, recapitalization,
merger, consolidation, or other reorganization.

          (d)  "INVESTOR REGISTRABLE SECURITIES" means (i) any Common Stock
issued to the Investors pursuant to the Purchase Agreement (whether issued
before, on, or after the Closing Date), (ii) any other securities of the Company
issued or issuable directly or indirectly with respect to the securities
referred to in clause (i) above by way of a stock dividend or stock split or in
connection with an exchange or combination of shares, recapitalization, merger,
consolidation, or other reorganization and (iii) any other shares of Common
Stock held by Persons holding securities that are described in clauses (i) or
(ii) above.

          (e)  "OTHER REGISTRABLE SECURITIES" means (i) any shares of Common
Stock held as of the date hereof, or acquired hereafter from the Company, by the
Other Stockholders and (ii) any shares of Common Stock issued or issuable
directly or indirectly with respect to the securities referred to in clause (i)
above by way of stock dividend or stock split or in connection with a
combination of securities, recapitalization, merger, consolidation, or other
reorganization.

          (f)  "REGISTRABLE SECURITIES" means, without duplication, the Investor
Registrable Securities, the Executive Registrable Securities, the Warrant Holder
Registrable Securities, the Getronics Registrable Securities and the Other
Registrable Securities. As to any particular Registrable Securities, such
securities shall cease to be Registrable Securities when (i) they have been
distributed to the public pursuant to an offering registered under the
Securities Act or sold to the public through a broker, dealer, or market maker
in compliance with Rule 144 under the Securities Act (or any similar rule then
in force), (ii) unless the respective Investor otherwise elects, they have been
distributed to the limited partners of any of the Investors, (iii) they have
been effectively registered under a registration statement including, without
limitation,

                                     - 14 -
<Page>

a registration statement on Form S-8 (or any successor form), (iv) they have
been repurchased by the Company, or (v) all of such securities held by a single
holder (it being understood that all holders of Warrant Holder Registrable
Securities shall be deemed to be a single holder for purposes of this clause
(v)) may be sold in one calendar quarter pursuant to Rule 144 under the
Securities Act (or any similar rule then in force). For purposes of this
Agreement, a Person shall be deemed to be a holder of Registrable Securities
whenever such Person has the right to acquire such Registrable Securities (upon
conversion or exercise in connection with a transfer of securities or otherwise,
but disregarding any restrictions or limitations upon the exercise of such
right), whether or not such acquisition has actually been effected; PROVIDED,
that this sentence shall not apply to shares of the common equity securities of
the Company issuable upon the exercise of unvested options originally issued to
employees or former employees of the Company.

          (g)  "SECURITIES ACT" means the Securities Act of 1933, as amended, or
any successor federal law then in force, together with all rules and regulations
promulgated thereunder.

          (h)  "SECURITIES EXCHANGE ACT" means the Securities Exchange Act of
1934, as amended, or any successor federal law then in force, together with all
rules and regulations promulgated thereunder.

          (i)  "WARRANT HOLDER REGISTRABLE SECURITIES" means (i) any shares of
Common Stock issued upon the exercise of the Warrants, (ii) any Common Stock
issued or issuable directly or indirectly with respect to the securities
referred to in clause (i) above by way of stock dividend or stock split or in
connection with an exchange or combination of shares, recapitalization, merger,
consolidation or other reorganization and (iii) any other shares of Common Stock
held by the Warrant Holders or any of their transferees. For purposes of this
Agreement, any Person who holds Warrants shall be deemed to own and be the
holder of the shares of Common Stock obtainable upon exercise of the Warrants,
regardless of any restriction or limitation on the exercise of the Warrants.

          (j)  Unless otherwise stated, other capitalized terms contained herein
have the meanings set forth in the Purchase Agreement.

          11.  MISCELLANEOUS.

          (a)  NO INCONSISTENT AGREEMENTS. The Company shall not hereafter enter
into any agreement with respect to its securities which is inconsistent with or
violates the rights granted to the holders of Registrable Securities in this
Agreement.

          (b)  ADJUSTMENTS AFFECTING REGISTRABLE SECURITIES. The Company shall
not take any action, or permit any change to occur, with respect to its
securities which would adversely affect the ability of the holders of
Registrable Securities to include such Registrable Securities in a registration
undertaken pursuant to this Agreement or which would adversely affect the
marketability of such Registrable Securities in any such registration (including
effecting a stock split or a combination of shares).

                                     - 15 -
<Page>

          (c)  REMEDIES. Any Person having rights under any provision of this
Agreement shall be entitled to enforce such rights specifically to recover
damages caused by reason of any breach of any provision of this Agreement and to
exercise all other rights granted by law. The parties hereto agree and
acknowledge that money damages may not be an adequate remedy for any breach of
the provisions of this Agreement and that any party may in its sole discretion
apply to any court of law or equity of competent jurisdiction (without posting
any bond or other security) for specific performance and for other injunctive
relief in order to enforce or prevent violation of the provisions of this
Agreement. Nothing contained in this Agreement shall be construed to confer upon
any Person who is not a signatory hereto any rights or benefits, whether as a
third-party beneficiary or otherwise.

          (d)  AMENDMENTS AND WAIVERS. Except as otherwise provided herein, no
modification, amendment, or waiver of any provision of this Agreement shall be
effective against the Company or the holders of Registrable Securities unless
such modification, amendment, or waiver is approved in writing by the Company
and the holders of at least a majority of the Investor Registrable Securities
then in existence; PROVIDED THAT no such amendment or modification that would
materially and adversely affect holders of one class or group of Registrable
Securities in a manner different than holders of any other class or group of
Registrable Securities (other than amendments and modifications required to
implement the provisions of SECTION 10), shall be effective against the holders
of such class or group of Registrable Securities without the prior written
consent of holders of at least a majority of Registrable Securities of such
class or group materially and adversely affected thereby. No failure by any
party to insist upon the strict performance of any covenant, duty, agreement, or
condition of this Agreement or to exercise any right or remedy consequent upon a
breach thereof shall constitute a waiver of any such breach or any other
covenant, duty, agreement, or condition.

          (e)  SUCCESSORS AND ASSIGNS.

          (i)  All covenants and agreements in this Agreement by or on behalf of
any of the parties hereto shall bind and inure to the benefit of the respective
successors and assigns of the parties hereto whether so expressed or not. In
addition, whether or not any express assignment has been made, the provisions of
this Agreement which are for the benefit of purchasers or holders of Registrable
Securities are also for the benefit of, and enforceable by, any subsequent
holder of Registrable Securities. Notwithstanding the foregoing, in order to
obtain the benefit of this Agreement, any subsequent holder of Registrable
Securities must execute a counterpart to this Agreement, thereby agreeing to be
bound the terms hereof.

          (ii) Without limiting the foregoing, the rights of the Warrant Holders
hereunder to cause the Company to register Warrant Holder Registrable Securities
in accordance with the terms hereof may be assigned by a Warrant Holder to a
permitted transferee or permitted assignee of any of its Warrant Holder
Registrable Securities; PROVIDED, HOWEVER, that the Company is given written
notice by the Warrant Holder at the time of or within a reasonable time after
the transfer, stating the name and address of the transferee or assignee and
identifying the securities with respect to which such registration rights are
being assigned. Nothing in this Section 11(e)(ii) shall be construed to limit or
otherwise affect any of the provisions of the Stockholders Agreement or
otherwise affect the rights of the holders of any other class of Registrable
Securities to transfer their Registrable Securities in accordance with the
Stockholders Agreement.

                                     - 16 -
<Page>

          (f)  SEVERABILITY. Whenever possible, each provision of this Agreement
shall be interpreted in such manner as to be effective and valid under
applicable law, but if any provision of this Agreement is held to be prohibited
by or invalid under applicable law, such provision shall be ineffective only to
the extent of such prohibition or invalidity, without invalidating the remainder
of this Agreement.

          (g)  COUNTERPARTS. This Agreement may be executed simultaneously in
two or more counterparts (including by means of telecopied signature pages), any
one of which need not contain the signatures of more than one party, but all
such counterparts taken together shall constitute one and the same Agreement.

          (h)  DESCRIPTIVE HEADINGS. The descriptive headings of this Agreement
are inserted for convenience only and do not constitute a substantive part of
this Agreement. Whenever required by the context, any pronoun used in this
Agreement shall include the corresponding masculine, feminine, or neuter forms,
and the singular form of nouns, pronouns, and verbs shall include the plural and
visa versa. The use of the word "including" in this Agreement shall be, in each
case, by way of example and without limitation. The use of the words "or,"
"either," and "any" shall not be exclusive. Reference to any agreement,
document, or instrument means such agreement, document, or instrument as amended
or otherwise modified from time to time in accordance with the terms thereof,
and if applicable hereof.

          (i)  GOVERNING LAW. The corporate law of the State of Delaware shall
govern all issues and questions concerning the relative rights of the Company
and its stockholders. All other issues and questions concerning the
construction, validity, interpretation, and enforcement of this Agreement and
the exhibits and schedules hereto 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 conflict of law rules or provisions (whether of the State of
Delaware or any other jurisdiction) that would cause the application of the laws
of any jurisdiction other than the State of Delaware.

          (j)  NOTICES. All notices, demands, or other communications to be
given or delivered under or by reason of the provisions of this Agreement shall
be in writing and shall be deemed to have been given when delivered personally
to the recipient, sent to the recipient by reputable overnight courier service
(charges prepaid) or mailed to the recipient by certified or registered mail,
return receipt requested and postage prepaid. Such notices, demands, and other
communications shall be sent to each Investor, each Executive, each Warrant
Holder, Getronics and each Other Stockholder at the addresses indicated on the
SCHEDULE OF HOLDERS and to the Company at the address of its corporate
headquarters or to such other address or to the attention of such other person
as the recipient party has specified by prior written notice to the sending
party.

          (k)  ENTIRE AGREEMENT. This Agreement, those documents expressly
referred to herein and other documents of even date herewith embody the complete
agreement and understanding among the parties and supersede and preempt any
prior understandings, agreements or representations by or among the parties,
written or oral, which may have related to the subject matter hereof in any way.

                                     - 17 -
<Page>

          (l)  NO STRICT CONSTRUCTION. The parties hereto have participated
jointly in the negotiation and drafting to this Agreement. In the event an
ambiguity or question of intent or interpretation arises, this Agreement shall
be construed as if drafted jointly by the parties hereto, and no presumption or
burden of proof shall arise favoring or disfavoring any party by virtue of the
authorship of any of the provisions of this Agreement.

                                    * * * * *

                                     - 18 -
<Page>

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

                             DIGITALNET HOLDINGS, INC.

                             By:    /s/ Jack Pearlstein
                                   ---------------------------------------------
                             Name:   Jack Pearlstein
                                   ---------------------------------------------
                             Its:     Chief Financial Officer
                                   ---------------------------------------------

                             DIGITALNET, INC.

                             By:   s/ Jack Pearlstein
                                   ---------------------------------------------
                             Name:   Jack Pearlstein
                                   ---------------------------------------------
                             Its:     Chief Financial Officer
                                   ---------------------------------------------

                             GTCR FUND VII, L.P.

                             By:   GTCR Partners VII, L.P.
                             Its:  General Partner

                             By:   GTCR Golder Rauner, L.L.C.
                             Its:  General Partner

                             By:    /s/ Philip A. Canfield
                                   ---------------------------------------------
                             Name:      Philip Canfield
                                   ---------------------------------------------
                             Its:  Principal

                             GTCR CO-INVEST, L.P.

                             By:   GTCR Partners VI, L.P.
                             Its:  General Partner

                             By:   GTCR Golder Rauner, L.L.C.
                             Its:  General Partner

                             By:    /s/ Philip A. Canfield
                                   ---------------------------------------------
                             Name:      Philip Canfield
                                   ---------------------------------------------
                             Its:  Principal

                                    /s/ Ken S. Bajaj
                                   ---------------------------------------------

                             KEN S. BAJAJ

<Page>

                             THE J. SUNNY BAJAJ TRUST

                             By:       /s/ Jaideep Bajaj
                                   ---------------------------------------------
                                   Jaideep Bajaj, Trustee

                             By:          /s/ Bhavneet Bajaj
                                   ---------------------------------------------
                                   Bhavneet Bajaj, Trustee

                             By:              /s/ Daniel A. Masur
                                   ---------------------------------------------
                                   Daniel A. Masur, Trustee

                             THE RUEBEN BAJAJ TRUST

                             By:       /s/ Jaideep Bajaj
                                   ---------------------------------------------
                                   Jaideep Bajaj, Trustee

                             By:          /s/ Bhavneet Bajaj
                                   ---------------------------------------------
                                   Bhavneet Bajaj, Trustee

                             By:              /s/ Daniel A. Masur
                                   ---------------------------------------------
                                   Daniel A. Masur, Trustee

                             THE BAJAJ FAMILY LIMITED PARTNERSHIP

                             By:   The J. SUNNY BAJAJ TRUST, its Limited Partner

                             By:       /s/ Jaideep Bajaj
                                   ---------------------------------------------
                                   Jaideep Bajaj, Trustee

                             By:          /s/ Bhavneet Bajaj
                                   ---------------------------------------------
                                   Bhavneet Bajaj, Trustee

                             By:              /s/ Daniel A. Masur
                                   ---------------------------------------------
                                   Daniel A. Masur, Trustee

                             By:   THE RUEBEN BAJAJ TRUST, its Limited Partner

                             By:       /s/ Jaideep Bajaj
                                   ---------------------------------------------
                                   Jaideep Bajaj, Trustee

                             By:          /s/ Bhavneet Bajaj
                                   ---------------------------------------------
                                   Bhavneet Bajaj, Trustee

                             By:              /s/ Daniel A. Masur
                                   ---------------------------------------------

<Page>

                                   Daniel A. Masur, Trustee

                             By:       /s/ Ken S. Bajaj
                                   ---------------------------------------------
                                   Ken S. Bajaj, its Limited Partner

                             By:   KAVELLE BAJAJ REVOCABLE INTER VIVOS
                                   TRUST, its Limited Partner

                             By:      /s/ Kavelle Bajaj
                                   ---------------------------------------------
                             By:   BAJAJ ASSOCIATES LLC, its General Partner

                             By:      /s/ Ken S. Bajaj
                                   ---------------------------------------------
                                   Ken S. Bajaj, Managing Member

                             By:   THE J. SUNNY BAJAJ TRUST, its Limited Partner

                             By:       /s/ Jaideep Bajaj
                                   ---------------------------------------------
                                   Jaideep Bajaj, Trustee

                             By:          /s/ Bhavneet Bajaj
                                   ---------------------------------------------
                                   Bhavneet Bajaj, Trustee

                             By:              /s/ Daniel A. Masur
                                   ---------------------------------------------
                                   Daniel A. Masur, Trustee

                             By:   THE RUEBEN BAJAJ TRUST, its Limited Partner

                             By:       /s/ Jaideep Bajaj
                                   ---------------------------------------------
                                   Jaideep Bajaj, Trustee

                             By:          /s/ Bhavneet Bajaj
                                   ---------------------------------------------
                                   Bhavneet Bajaj, Trustee

                             By:              /s/ Daniel A. Masur
                                   ---------------------------------------------
                                   Daniel A. Masur, Trustee

                             JACK PEARLSTEIN

                             By:       /s/ Jack Pearlstein
                                   ---------------------------------------------

                             THE PEARLSTEIN FAMILY, LLC

<Page>

                             By:       /s/ Jack Pearlstein
                                   ---------------------------------------------
                                   Jack Pearlstein, its Managing Member

                             THE IAN Z. PEARLSTEIN 2001 TRUST

                             By:       /s/ Bruce S. Levin
                                   ---------------------------------------------

                             THE IVANNA V. PEARLSTEIN 2001 TRUST

                             By:       /s/ Bruce S. Levin
                                   ---------------------------------------------

                             STEVE SOLOMON

                             By:      /s/ Steve Solomon
                                   ---------------------------------------------

                             STEVE HANAU

                             By:      /s/ Steve Hanau
                                   ---------------------------------------------

                             BARBARA BARNES

                             By:      /s/ Barbara Barnes
                                   ---------------------------------------------

                             GETRONICSWANG CO. LLC

                             By:      /s/ William J. Clark
                                   ---------------------------------------------

                             Its:     Chief Financial Officer
                                   ---------------------------------------------

                             BANC OF AMERICA MEZZANINE CAPITAL LLC

                             By:       /s/ John W. Felix
                                   ---------------------------------------------

                             Its:     Principal
                                   ---------------------------------------------<Page>

                                                                    EXHIBIT 10.1

                               PURCHASE AGREEMENT

          THIS PURCHASE AGREEMENT (this "AGREEMENT") is made as of September 7,
2001, by and among DigitalNet Holdings, Inc., a Delaware corporation (the
"COMPANY"), GTCR Fund VII, L.P., a Delaware limited partnership ("GTCR FUND
VII"), GTCR Co-Invest, L.P., a Delaware limited partnership ("CO-INVEST," and
together with GTCR Fund VII, the "GTCR PURCHASERS"), the J. Sunny Bajaj Trust,
the Rueben Bajaj Trust and the Bajaj Family Limited Partnership (each, a "BAJAJ
PURCHASER" and collectively, the "BAJAJ PURCHASERS") and the Pearlstein Family,
LLC (the "PEARLSTEIN PURCHASER", and together with the GTCR Purchasers and the
Bajaj Purchasers, the "PURCHASERS"). Except as otherwise indicated herein,
capitalized terms used herein are defined in SECTION 6 hereof.

          The parties hereto agree as follows:

          Section 1.   AUTHORIZATION AND CLOSING.

          1A.  AUTHORIZATION OF THE STOCK. The Company shall authorize the
issuance and sale to the Purchasers of up to 96,790 shares of its Class A
Preferred Stock, par value $0.01 per share (the "CLASS A PREFERRED"), and up to
35,105,000 shares of its Common Stock, par value $0.001 per share (the "COMMON
STOCK"), each having the rights and preferences set forth in EXHIBIT A attached
hereto. The Class A Preferred and the Common Stock are collectively referred to
herein as the "STOCK."

          1B.  PURCHASE AND SALE OF THE STOCK BY THE GTCR PURCHASERS.

          (a)  At the Initial Closing (as defined in SECTION 1F below), the
Company shall sell to the GTCR Purchasers and, subject to the terms and
conditions set forth herein, the GTCR Purchasers shall purchase from the
Company, 10,000,000 shares of Common Stock at a price of $0.10 per share. Each
GTCR Purchaser shall purchase the percentage of such shares set forth next to
such GTCR Purchaser's name on the signature pages attached hereto

          (b)  The Company has been organized for the purpose of owning and
operating a business in the mobile computing services consulting industry by
means of first acquiring an existing business or businesses satisfactory to both
(i) the GTCR Purchasers and (ii) the Board of Directors of the Company (the
"BOARD"), and thereafter from time to time making additional acquisitions which
are synergistic with or otherwise complementary to such initial acquisition and
generally with the characteristics set forth on SCHEDULE 1 to this Agreement.
The GTCR Purchasers intend to provide up to $96 million (including the
Pre-Acquisition Funding and other potential fundings for Non-Acquisition
Expenses, each as defined below) in equity financing to the Company as the
equity portion of the debt and equity financing necessary to fund such
acquisitions and for other internal growth initiatives, in each case as approved
by (i) the GTCR Purchasers and (ii) the Board (an "APPROVED USE").
Notwithstanding the foregoing, no more than $10 million in the aggregate of the
funds which may be obtained by the Company from all of the Purchasers shall be
reserved to fund Non-Acquisition Expenses (it being understood that

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no more than $1,000,000 in the aggregate (or such higher number as may be
approved by the GTCR Purchasers and the Board) of such $10 million of funds may
be used to fund Non-Acquisition Expenses incurred prior to the Company's initial
acquisition (the "PRE-ACQUISITION FUNDING")). In addition, no funds obtained by
the Company from the Purchasers shall be used to fund the sales, general and
administrative expenses, working capital expenses or capital expenses of any
company acquired by the Company unless approved by the GTCR Purchasers and the
Board. The GTCR Purchasers' obligation to purchase any stock of the Company
pursuant to this SECTION 1B(b) (including any stock issued in exchange for the
Pre-Acquisition Funding and other potential fundings for Non-Acquisition
Expenses) will be conditioned on the Company's not being in default under any of
its material agreements, adequate debt financing being available to fund any
proposed acquisition or other Approved Use on terms satisfactory to the GTCR
Purchasers, and the Company's operations and the acquisition or other Approved
Use being satisfactory to the GTCR Purchasers. In order to implement the
foregoing, the GTCR Purchasers may purchase from time to time after the Initial
Closing, upon the written request of the Board in connection with an Approved
Use, (i) first, up to an additional 23,600,000 shares of Common Stock at a price
of $0.10 per share and (ii) second, after all such shares of Common Stock have
been purchased, up to 92,640 shares of Class A Preferred at a price of $1,000
per share (the amounts set forth in each of (i) and (ii) immediately above as
adjusted from time to time as a result of stock dividends, stock splits,
recapitalization and similar events) (each such purchase, a "SUBSEQUENT
CLOSING"). Each GTCR Purchaser shall purchase the percentage of such shares set
forth next to such GTCR Purchaser's name on the signature pages attached hereto.
At the time of any such purchase, the Company will deliver to the GTCR
Purchasers the certificates representing such shares of Common Stock and/or
Class A Preferred purchased by the GTCR Purchasers, and the GTCR Purchasers will
deliver to the Company a cashier's or certified check or a wire transfer of
immediately available funds in the aggregate amount of the price per share of
such shares multiplied by the number of shares so purchased by the GTCR
Purchasers. At the time of any Subsequent Closing, each GTCR Purchaser shall be
entitled to receive, and the Company shall be obligated to deliver, satisfactory
representations and warranties and all other information and documentation as
such GTCR Purchaser may reasonably request.

          1C.  PURCHASE AND SALE OF THE STOCK BY THE BAJAJ PURCHASERS.

          (a)  At the Initial Closing (as defined in SECTION 1F below), the
Company shall sell to the Bajaj Purchasers and, subject to the terms and
conditions set forth herein, the Bajaj Purchasers shall purchase from the
Company, 416,667 shares of Common Stock at a price of $0.10 per share.

          (b)  Simultaneously with any purchase by the GTCR Purchasers of shares
of Common Stock and/or Class A Preferred pursuant to SECTION 1B(b) above, Bajaj
will purchase, and the Company will sell to the Bajaj Purchasers at the same
price and on the same terms as purchased by the GTCR Purchasers up to an
additional 983,333 shares of Common Stock and up to an aggregate of 3,860 shares
of Class A Preferred. The number of shares of Class A Preferred to be sold by
the Company and purchased by Bajaj at any time shall equal (i) 3,860 shares of
Class A Preferred, MULTIPLIED BY (ii) a fraction (A) the numerator of which will
be the number of

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shares of such Class A Preferred to be concurrently purchased by the GTCR
Purchasers and (B) the denominator of which will be 92,640 shares of Class A
Preferred. The number of shares of Common Stock to be sold by the Company and
purchased by the Bajaj Purchasers at any time shall equal (i) 983,332 shares of
Common Stock, MULTIPLIED BY (ii) a fraction (A) the numerator of which will be
the number of shares of such Common Stock to be concurrently purchased by the
GTCR Purchasers and (B) the denominator of which will be 23,600,000 shares of
Common Stock. At each Subsequent Closing, the Company will deliver to each Bajaj
Purchaser a certificate representing the Common Stock and/or Class A Preferred
to be so purchased by such Bajaj Purchaser, and such Bajaj Purchaser will
deliver to the Company, by wire transfer of immediately available funds, cash in
an aggregate amount equal to the purchase price for such shares. At the time of
any such purchase, the Bajaj Purchasers shall be entitled to receive, and the
Company shall be obligated to deliver, the same representations and warranties
and other information and documentation received by the GTCR Purchasers. The
maximum aggregate amount that the Bajaj Purchasers shall fund or may purchase
pursuant to this SECTION 1C(b) shall be $3,958,333.

          (c)  Common Stock purchased at the Initial Closing by each of the
Bajaj Purchasers shall be acquired by each of the Bajaj Purchasers as set forth
in Schedule 2 attached hereto and the Common Stock and/or Class A Preferred
purchased at each Subsequent Closing by each of the Bajaj Purchasers shall be
acquired in the same manner or in a manner disclosed to the Company prior to
such Subsequent Closing.

          1D.  PURCHASE AND SALE OF THE STOCK BY THE PEARLSTEIN PURCHASER.

          (a)  At the Initial Closing (as defined in SECTION 1F below), the
Company shall sell to the Pearlstein Purchaser and, subject to the terms and
conditions set forth herein, the Pearlstein Purchaser shall purchase from the
Company, 31,250 shares of Common Stock at a price of $0.10 per share.

          (b)  Simultaneously with any purchase by the GTCR Purchasers of shares
of Common Stock and/or Class A Preferred pursuant to SECTION 1B(b) above, the
Pearlstein Purchaser will purchase, and the Company will sell to the Pearlstein
Purchaser at the same price and on the same terms as purchased by the GTCR
Purchasers up to an additional 73,750 shares of Common Stock and up to an
aggregate of 290 shares of Class A Preferred. The number of shares of Class A
Preferred to be sold by the Company and purchased by the Pearlstein Purchaser at
any time shall equal (i) 290 shares of Class A Preferred, MULTIPLIED BY (ii) a
fraction (A) the numerator of which will be the number of shares of such Class A
Preferred to be concurrently purchased by the GTCR Purchasers and (B) the
denominator of which will be 92,640 shares of Class A Preferred. The number of
shares of Common Stock to be sold by the Company and purchased by the Pearlstein
Purchaser at any time shall equal (i) 73,750 shares of Common Stock, MULTIPLIED
BY (ii) a fraction (A) the numerator of which will be the number of shares of
such Common Stock to be concurrently purchased by the GTCR Purchasers and (B)
the denominator of which will be 23,600,000 shares of Common Stock. At each
Subsequent Closing, the Company will deliver to the Pearlstein Purchaser a
certificate representing the

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Common Stock and/or Class A Preferred to be so purchased by the Pearlstein
Purchaser, and the Pearlstein Purchaser will deliver to the Company, by wire
transfer of immediately available funds, cash in an aggregate amount equal to
the purchase price for such shares. At the time of any such purchase, the
Pearlstein Purchaser shall be entitled to receive, and the Company shall be
obligated to deliver, the same representations and warranties and other
information and documentation received by the GTCR Purchasers. The maximum
aggregate amount that the Pearlstein Purchaser shall fund or may purchase
pursuant to this SECTION 1D(b) shall be $296,875.

          1E.  STOCK REPURCHASES UPON FAILURE TO PURCHASE AT SUBSEQUENT CLOSING.

          (a)  In the event that any or all of the Bajaj Purchasers or the
Pearlstein Purchaser (the "DEFAULTING PURCHASER(S)") is unable or otherwise does
not purchase for any reason (regardless of the existence of any default or
breach or failure to comply with any conditions precedent by the Company or any
of its Subsidiaries) the number of shares of Common Stock and/or Class A
Preferred required to be purchased by it at any Subsequent Closing, the
Purchasers (other than the Defaulting Purchaser(s)) (the "NON-DEFAULTING
PURCHASERS") who so elect and, if the Non-Defaulting Purchasers do not offer to
purchase all of such shares within 30 days after the failure to purchase the
number of shares of Common Stock and/or Class A Preferred required to be
purchased by it at any Subsequent Closing, the Company, shall have the right to
purchase, in which event the Defaulting Purchaser(s) and its transferees shall
be obligated to sell, all of the shares of Investor Common then held by such
Defaulting Purchaser(s) and its transferees (a "STOCK REPURCHASE") at a time and
place designated by the Company or a majority (determined by the number of
shares of Investor Common held by such Persons) of the Non-Defaulting Purchasers
electing to participate in the Stock Repurchase (the "PARTICIPATING PURCHASERS")
(a "STOCK REPURCHASE CLOSING"). In the event the Participating Purchasers are
entitled to participate in the Stock Repurchase pursuant to the foregoing
sentence, each Participating Purchaser shall be entitled to purchase its PRO
RATA portion of such shares based on the number of shares of Investor Common
then held by each Participating Purchaser. Notwithstanding anything herein to
the contrary, for purposes of this SECTION 1E, the Bajaj Purchasers and their
transferees shall be treated as one group of Purchasers, such that any default
by any one the Bajaj Purchasers or their transferees shall be treated as a
default of all of the Bajaj Purchasers and their transferees and all of the
Bajaj Purchasers and their transferees will be Defaulting Purchasers. At a Stock
Repurchase Closing, the Defaulting Purchaser(s) and its transferees, as
applicable, shall deliver to the Company or each Participating Purchaser (as the
case may be) duly executed instruments transferring good and marketable title to
such shares of Common Stock to the Company or each Participating Purchaser (as
the case may be) free and clear of all liens and encumbrances, against payment
of the Stock Repurchase Price, (A) in the case of payment by the Company, (1) by
cashier's or certified check payable to the Defaulting Purchaser(s) or its
transferee, as applicable, (2) in the form of a promissory note from the Company
having a term no longer than five years, payable in sixty equal installments, at
a market rate of interest and having other typical market terms or (3) by wire
transfer of immediately available funds to an account designated by the
Defaulting Purchaser(s) or such transferee, as applicable, and (B) in the case
of payment by the Participating Purchasers, (1) by

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cashier's or certified check payable to the Defaulting Purchaser(s) or its
transferee, as applicable or (2) by wire transfer of immediately available funds
to an account designated by the Defaulting Purchaser(s) or such transferee, as
applicable. The "STOCK REPURCHASE PRICE" of the shares of Common Stock to be
sold by the Defaulting Purchaser(s) pursuant to this SECTION 1E(a) shall be the
lower of (A) $0.10 per each such share of Common Stock (as proportionately
adjusted for all subsequent stock dividends, stock splits and other
recapitalizations) and (B) the Fair Market Value of each such share of Common
Stock as of the Stock Repurchase Closing.

          (b)  In the event of a Stock Repurchase, the Defaulting Purchaser(s)
shall not thereafter be entitled to purchase, and the Company shall not
thereafter be obligated to sell to the Defaulting Purchaser(s), any shares of
Class A Preferred. The repurchase rights of the Company and the Participating
Purchasers pursuant to SECTION 1E(a) above are in addition to any and all other
rights and remedies which the Company and the Participating Purchasers may have
at law or in equity as a result of any failure by the Defaulting Purchaser(s) to
purchase the shares of Common Stock and/or Class A Preferred required to be
purchased by it from the Company at any Subsequent Closing.

          1F.  INITIAL CLOSING; SUBSEQUENT CLOSINGS.

          (a)  The closing of the purchase and sale of the Stock to be purchased
pursuant to SECTIONS 1B(a), SECTION 1C(a) AND 1D(a) (the "INITIAL CLOSING")
shall take place at the offices of Kirkland & Ellis, 200 East Randolph Drive,
Chicago, Illinois 60601 at 10:00 a.m. within one day after satisfaction of the
conditions set forth in SECTION 2 hereof, or at such other place or on such
other date as may be mutually agreeable to the Company and the GTCR Purchasers.

          (b)  The Company shall notify the Purchasers of any Subsequent Closing
at least 2 days prior to the date of such Subsequent Closing. Each Subsequent
Closing shall take place at the offices of Kirkland & Ellis, 200 East Randolph
Drive, Chicago, Illinois 60601 at 10:00 a.m. on such date as may be mutually
agreeable to the Company and the GTCR Purchasers or at such other place as may
be mutually agreeable to the Company and the GTCR Purchasers.

          (c)  At the Initial Closing and each Subsequent Closing, the Company
shall deliver to each Purchaser stock certificates evidencing the Stock to be
purchased by such Purchaser at such Closing, registered in such Purchaser's
name, upon payment of the purchase price thereof by a cashier's or certified
check, or by wire transfer of immediately available funds to such account as
designated by the Company.

          Section 2.   CONDITIONS OF EACH PURCHASER'S OBLIGATION AT THE INITIAL
CLOSING AND SUBSEQUENT CLOSING. The obligation of each Purchaser to purchase and
pay for the Stock to be purchased by it at the Initial Closing is subject to the
satisfaction as of the Initial Closing of the following conditions (other than
SECTION 2K) and the obligation of each Purchaser to purchase and pay for the
Stock to be purchased by it at each Subsequent Closing is subject to the
satisfaction as of such Subsequent Closing of the conditions set forth in
SECTION 2K:

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          2A.  REPRESENTATIONS AND WARRANTIES; COVENANTS. The representations
and warranties contained in SECTION 5 hereof shall be true and correct at and as
of the Initial Closing as though then made, except to the extent of changes
caused by the transactions expressly contemplated herein, and the Company shall
have performed in all material respects all of the covenants required to be
performed by it hereunder prior to the Initial Closing.

          2B.  CERTIFICATE OF INCORPORATION. The Company's certificate of
incorporation (the "CERTIFICATE OF INCORPORATION") shall include the provisions
set forth in EXHIBIT A hereto, shall be in full force and effect under the laws
of Delaware as of the Initial Closing and shall not have been amended or
modified

          2C.  SENIOR MANAGEMENT AGREEMENTS. The Company and DigitalNet, Inc., a
Delaware corporation ("DIGITALNET"), shall have entered into a senior management
agreements with each of Bajaj and Pearlstein (collectively, the "EXECUTIVES"),
in form and substance substantially similar to EXHIBITS B-1 AND B-2,
respectively, attached hereto (the "SENIOR MANAGEMENT AGREEMENTS"), the Senior
Management Agreements shall not have been amended or modified and shall be in
full force and effect as of the Initial Closing, and the Executives shall have
purchased the Stock proposed to be purchased by them thereunder.

          2D.  STOCKHOLDERS AGREEMENT. The Company and the Purchasers shall have
entered into a stockholders agreement in form and substance substantially
similar to EXHIBIT C attached hereto (the "STOCKHOLDERS AGREEMENT"), and the
Stockholders Agreement shall be in full force and effect as of the Initial
Closing.

          2E.  REGISTRATION AGREEMENT. The Company and the Purchasers shall have
entered into a registration agreement in form and substance substantially
similar to EXHIBIT D attached hereto (the "REGISTRATION AGREEMENT"), and the
Registration Agreement shall be in full force and effect as of the Initial
Closing.

          2F.  PROFESSIONAL SERVICES AGREEMENT. DigitalNet and GTCR Golder
Rauner, L.L.C., a Delaware limited liability company ("GTCR"), shall have
entered into a professional services agreement in form and substance
substantially similar to EXHIBIT E attached hereto (the "PROFESSIONAL SERVICES
AGREEMENT"), and the Professional Services Agreement shall be in full force and
effect as of the Initial Closing.

          2G.  CLOSING DOCUMENTS. The Company shall have delivered to the
Purchasers all of the following documents:

          (a)  an Officer's Certificate, dated the date of the Initial Closing,
stating that the conditions specified in SECTION 1 and SECTIONS 2A through 2F,
inclusive, have been fully satisfied;

          (b)  certified copies of the resolutions duly adopted by the Board
authorizing the execution, delivery and performance of this Agreement, the
Certificate of Incorporation, the Senior Management Agreements, the Stockholders
Agreement, the Professional Services

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Agreement, the Registration Agreement and each of the other agreements
contemplated hereby (the "TRANSACTION DOCUMENTS"), the issuance and sale of the
Stock and the consummation of all other transactions contemplated by this
Agreement; and

          (c)  certified copies of the Certificate of Incorporation and the
Company's bylaws, each as in effect at the Initial Closing.

          2H.  INVESTMENT COMMITTEE APPROVAL. The GTCR Purchasers shall have
received approval from their investment committee to consummate the transactions
set forth herein.

          2I.  FEES AND EXPENSES. The Company shall have reimbursed each
Purchaser for its fees and expenses as provided in SECTION 7A hereof prior to or
concurrent with Initial Closing.

          2J.  COMPLIANCE WITH APPLICABLE LAWS. The purchase of Stock by the
Purchasers hereunder shall not be prohibited by any applicable law or
governmental regulation, shall not subject any Purchaser to any penalty,
liability or, in each Purchaser's sole judgment, other onerous conditions under
or pursuant to any applicable law or governmental regulation, and shall be
permitted by laws and regulations of the jurisdictions to which such Purchaser
is subject.

          2K.  CONDITIONS TO SUBSEQUENT CLOSINGS. The obligation of each
Purchaser to purchase and pay for the Common Stock and/or Class A Preferred at
any Subsequent Closing is subject to the satisfaction as of the Subsequent
Closing of the following conditions:

          (a)  REPRESENTATIONS AND WARRANTIES; COVENANTS. The representations
and warranties contained in SECTION 5 hereof (the "SECTION 5 REPRESENTATIONS")
and any other representations and warranties requested by the GTCR Purchasers
shall be true and correct at and as of such Subsequent Closing as though then
made, except in the case of the Section 5 Representations to the extent of
changes caused by the transactions expressly contemplated herein or by the other
Transaction Documents and except for changes occurring in the ordinary course of
the Company's and its Subsidiaries businesses which have not had a Material
Adverse Effect.

          (b)  CONSENTS AND APPROVALS. The Company shall have received or
obtained all governmental, regulatory and third party consents and approvals
necessary for the consummation of the transactions contemplated hereby.

          (c)  COMPLIANCE WITH APPLICABLE LAWS. The purchase of the Common Stock
and/or Class A Preferred by each Purchaser at such Subsequent Closing shall not
be prohibited by any applicable law or governmental regulation, shall not
subject such Purchaser to any penalty, liability or, in such Purchaser's sole
discretion, other onerous conditions under any governmental approval or consent
obtained in connection with the transactions contemplated hereby, and shall be
permitted by laws and regulations of the jurisdictions to which such

                                       -7-
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Purchaser is subject.

          (d)  NO MATERIAL ADVERSE CHANGE. Since the Initial Closing, there
shall have been no change resulting in a Material Adverse Effect.

          (e)  FEES AND EXPENSES. The Company shall have reimbursed each
Purchaser for its fees and expenses as provided in SECTION 7A hereof prior to or
concurrent with such Subsequent Closing.

          (f)  SUBSEQUENT CLOSING DOCUMENTS. The Company shall have delivered to
each Purchaser all of the documents relating to the transactions contemplated by
this Agreement as the GTCR Purchasers or their counsel may reasonably request.

          2L.  WAIVER. Any condition specified in this SECTION 2 may be waived
only if such waiver is set forth in a writing executed by the GTCR Purchasers.

          Section 3.   COVENANTS.

          3A.  FINANCIAL STATEMENTS AND OTHER INFORMATION. The Company shall
deliver to each Purchaser (so long as such Purchaser holds any Stock) and to
each holder of at least 15% of the Investor Preferred issued hereunder and each
holder of at least 15% of the Investor Common issued hereunder:

          (a)  as soon as available but in any event within 30 days after the
end of each monthly accounting period in each fiscal year, unaudited
consolidating and consolidated statements of income and cash flows of the
Company and its Subsidiaries for such monthly period and for the period from the
beginning of the fiscal year to the end of such month, and consolidating and
consolidated balance sheets of the Company and its Subsidiaries as of the end of
such monthly period, all prepared in accordance with generally accepted
accounting principles, consistently applied, subject to the absence of footnote
disclosures and to normal year-end adjustments;

          (b)  accompanying the financial statements referred to in (i) above,
an Officer's Certificate stating that neither the Company nor any of its
Subsidiaries is in default under any of its material agreements or, if any such
default exists, specifying the nature and period of existence thereof and what
actions the Company and its Subsidiaries have taken and propose to take with
respect thereto;

          (c)  within 120 days after the end of each fiscal year, consolidating
and consolidated statements of income and cash flows of the Company and its
Subsidiaries for such fiscal year, and consolidating and consolidated balance
sheets of the Company and its Subsidiaries as of the end of such fiscal year,
setting forth in each case comparisons to the annual budget and to the preceding
fiscal year, all prepared in accordance with generally accepted accounting
principles, consistently applied, and accompanied by (a) with respect to the

                                       -8-
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consolidated portions of such statements (except with respect to budget data),
an opinion containing no exceptions or qualifications (except for qualifications
regarding specified contingent liabilities) of an independent accounting firm of
recognized national standing acceptable to the Majority Holders and (b) a copy
of such firm's annual management letter to the Board;

          (d)  promptly upon receipt thereof, any additional reports, management
letters or other detailed information concerning significant aspects of the
Company's operations or financial affairs given to the Company by its
independent accountants (and not otherwise contained in other materials provided
hereunder);

          (e)  at least 30 days prior to the beginning of each fiscal year, an
annual budget prepared on a monthly basis for the Company and its Subsidiaries
for such fiscal year (displaying anticipated statements of income and cash
flows), and promptly upon preparation thereof any other significant budgets
prepared by the Company and any revisions of such annual or other budgets, and
within 30 days after any monthly period in which there is a material adverse
deviation from the annual budget, an Officer's Certificate explaining the
deviation and what actions the Company has taken and proposes to take with
respect thereto;

          (f)  promptly (but in any event within five business days) after the
discovery or receipt of notice of any default under any material agreement to
which it or any of its Subsidiaries is a party or any other event or
circumstance affecting the Company or any Subsidiary which is reasonably likely
to have a material adverse effect on the financial condition, operating results,
assets, operations or business prospects of the Company or any Subsidiary
(including the filing of any material litigation against the Company or any
Subsidiary or the existence of any material dispute with any Person which
involves a reasonable likelihood of such litigation being commenced), an
Officer's Certificate specifying the nature and period of existence thereof and
what actions the Company and its Subsidiaries have taken and propose to take
with respect thereto;

          (g)  with reasonable promptness, such other information and financial
data concerning the Company and its Subsidiaries as any Person entitled to
receive information under this SECTION 3A may reasonably request; and

          (h)  copies of all financial statements, proxy statements, reports and
any other general written communications which the Company sends to its
stockholders, and copies of all registration statements and all regular, special
or periodic reports which it files, or any of its officers or directors file
with respect to the Company, with the Securities and Exchange Commission or with
any securities exchange on which any of its securities are then listed, and
copies of all press releases and other statements made available generally by
the Company to the public concerning material developments in the Company's and
its Subsidiaries' businesses.

Each of the financial statements referred to in subsections (a) and (c) shall be
true and correct in all material respects as of the dates and for the periods
stated therein, subject in the case of the

                                       -9-
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unaudited financial statements to changes resulting from normal year-end audit
adjustments (none of which would, alone or in the aggregate, be materially
adverse to the financial condition, operating results, assets, operations or
business prospects of the Company and its Subsidiaries taken as a whole).

          3B.  INSPECTION OF PROPERTY. The Company shall permit any
representatives designated by any GTCR Purchaser (so long as such Purchaser
holds any Stock) or any holder of at least 15% of the outstanding Investor
Preferred or at least 15% of the outstanding Investor Common, upon reasonable
notice and during normal business hours and such other times as any such holder
may reasonably request, to (i) visit and inspect any of the properties of the
Company and its Subsidiaries, (ii) examine the corporate and financial records
of the Company and its Subsidiaries and make copies thereof or extracts
therefrom and (iii) discuss the affairs, finances and accounts of any such
corporations with the directors, officers, key employees and independent
accountants of the Company and its Subsidiaries; provided that the Company shall
have the right to have its chief financial officer present at any meetings with
the Company's independent accountants.

          3C.  RESTRICTIONS. The Company shall not, without the prior written
consent of the Majority Holders:

          (a)  directly or indirectly declare or pay any dividends or make any
distributions upon any of its equity securities, other than payments of
dividends on, or redemption payments in respect of, the Class A Preferred
pursuant to the Certificate of Incorporation or repurchases pursuant to the
Senior Management Agreements;

          (b)  except as expressly contemplated by the Senior Management
Agreements, directly or indirectly redeem, purchase or otherwise acquire, or
permit any Subsidiary to redeem, purchase or otherwise acquire, any of the
Company's equity securities (including, without limitation, warrants, options
and other rights to acquire equity securities) other than redemptions of Class A
Preferred pursuant to the Company's Certificate of Incorporation;

          (c)  except as expressly contemplated by this Agreement or the Senior
Management Agreements, authorize, issue, sell or enter into any agreement
providing for the issuance (contingent or otherwise), or permit any Subsidiary
to authorize, issue, sell or enter into any agreement providing for the issuance
(contingent or otherwise) of, (a) any notes or debt securities containing equity
features (including, without limitation, any notes or debt securities
convertible into or exchangeable for equity securities, issued in connection
with the issuance of equity securities or containing profit participation
features) or (b) any equity securities (or any securities convertible into or
exchangeable for any equity securities) or rights to acquire any equity
securities, other than the issuance of equity securities by a Subsidiary to the
Company or another Subsidiary;

          (d)  make, or permit any Subsidiary to make, any loans or advances to,
guarantees for the benefit of, or Investments in, any Person, except for (A)
intercompany transactions between the Company and a Subsidiary, (B) reasonable
advances to employees in

                                      -10-
<Page>

the ordinary course of business as well as travel advances, (C) trade credit
extended to customers in the ordinary course of business and (D) Investments
having a stated maturity no greater than one year from the date the Company
makes such Investment in (1) obligations of the United States government or any
agency thereof or obligations guaranteed by the United States government, (2)
certificates of deposit of commercial banks having combined capital and surplus
of at least $50 million, (3) commercial paper with a rating of at least
"Prime-1" by Moody's Investors Service, Inc. or (4) money market accounts
investing in any of the foregoing or in substantially similar investments;

          (e)  merge or consolidate with any Person or permit any Subsidiary to
merge or consolidate with any Person (other than a wholly owned Subsidiary);

          (f)  sell, lease or otherwise dispose of, or permit any Subsidiary to
sell, lease or otherwise dispose of, more than 5% of the consolidated assets of
the Company and its Subsidiaries (computed on the basis of book value,
determined in accordance with generally accepted accounting principles
consistently applied, or fair market value, determined by the Board in its
reasonable good faith judgment) in any transaction or series of related
transactions (other than sales of inventory in the ordinary course of business);

          (g)  liquidate, dissolve or effect a recapitalization or
reorganization in any form of transaction (including, without limitation, any
reorganization into a limited liability company, a partnership or any other
non-corporate entity which is treated as a partnership for federal income tax
purposes);

          (h)  acquire, or permit any Subsidiary to acquire, any interest in any
business (whether by a purchase of assets, purchase of stock, merger or
otherwise), or enter into any joint venture;

          (i)  enter into, or permit any Subsidiary to enter into, the
ownership, active management or operation of any business other than an
information technology services consulting business;

          (j)  enter into, or permit any Subsidiary to enter into, any
transaction with any of its or any Subsidiary's officers, directors, employees
or Affiliates or any individual related by blood, marriage or adoption to any
such Person or any entity in which any such Person or individual owns a
beneficial interest, except for normal employment arrangements and benefit
programs on reasonable terms, and for leases in the ordinary course of business,
and except as otherwise expressly contemplated by this Agreement and the Senior
Management Agreements;

          (k)  become subject to, or permit any of its Subsidiaries to become
subject to, any agreement or instrument which by its terms would (under any
circumstances) restrict (A) the right of any Subsidiary to make loans or
advances or pay dividends to, transfer property to, or repay any Indebtedness
owed to, the Company or any Subsidiary or (B) the Company's right to perform the
provisions of this Agreement, the Certificate of Incorporation, the Company's

                                      -11-
<Page>

bylaws or the other Transaction Documents;

          (l)  except as expressly contemplated by this Agreement, make any
amendment to the Certificate of Incorporation or the Company's bylaws, or file
any resolution of the Board with the Secretary of the State of Delaware; or

          (m)  create, incur, assume or suffer to exist, or permit any
Subsidiary to create, incur, assume or suffer to exist, Indebtedness exceeding
the amounts approved therefor by the Board in the annual budget.

          3D.  AFFIRMATIVE COVENANTS. So long as any Purchaser holds any Stock,
the Company shall, and shall cause each Subsidiary to:

          (a)  comply with all applicable laws, rules and regulations of all
governmental authorities, the violation of which would reasonably be expected to
have a Material Adverse Effect and pay and discharge when payable all taxes,
assessments and governmental charges (except to the extent the same are being
contested in good faith and adequate reserves therefor have been established);
and

          (b)  enter into and maintain appropriate nondisclosure and noncompete
agreements with its key employees.

          3E.  CURRENT PUBLIC INFORMATION. At all times after the Company has
filed a registration statement with the Securities and Exchange Commission
pursuant to the requirements of either the Securities Act or the Securities
Exchange Act, the Company shall file all reports required to be filed by it
under the Securities Act and the Securities Exchange Act and the rules and
regulations adopted by the Securities and Exchange Commission thereunder and
shall take such further action as any holder or holders of Restricted Securities
may reasonably request, all to the extent required to enable such holders to
sell Restricted Securities pursuant to (i) Rule 144 adopted by the Securities
and Exchange Commission under the Securities Act (as such rule may be amended
from time to time) or any similar rule or regulation hereafter adopted by the
Securities and Exchange Commission or (ii) a registration statement on Form S-2
or S-3 or any similar registration form hereafter adopted by the Securities and
Exchange Commission. Upon request, the Company shall deliver to any holder of
Restricted Securities a written statement as to whether it has complied with
such requirements.

          3F.  AMENDMENT OF OTHER AGREEMENTS. The Company shall not amend,
modify or waive any provision of the Senior Management Agreements or any other
agreement with key executives of the Company without the prior written consent
of the Majority Holders. The Company shall enforce the provisions of the Senior
Management Agreements and any other agreement with key executives of the Company
and shall exercise all of its rights and remedies thereunder (including, without
limitation, any repurchase options and first refusal rights) unless it is
otherwise directed by the Majority Holders.

                                      -12-
<Page>

          3G.  PUBLIC DISCLOSURES. The Company shall not, nor shall it permit
any Subsidiary to, disclose a Purchaser's or any of its Affiliates' name or
identity as an investor in the Company in any press release or other public
announcement or in any document or material filed with any governmental entity,
without the prior written consent of such Purchaser, unless such disclosure is
required by applicable law or governmental regulations or by order of a court of
competent jurisdiction, in which case prior to making such disclosure the
Company shall give written notice to such Purchaser describing in reasonable
detail the proposed content of such disclosure and shall permit such Purchaser
to review and comment upon the form and substance of such disclosure.

          3H.  UNRELATED BUSINESS TAXABLE INCOME. The Company shall not engage
in any transaction which is reasonably likely to cause GTCR Fund VII or any of
its limited partners which are exempt from income taxation under Section 501(a)
of the IRC and, if applicable, any pension plan that any such trust may be a
part of, to recognize unrelated business taxable income as defined in Section
512 and Section 514 of the IRC.

          3I.  HART-SCOTT-RODINO COMPLIANCE. In connection with any transaction
in which the Company is involved (a "TRANSACTION") which is required to be
reported under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as
amended from time to time (the "HSR ACT"), the Company shall prepare and file
all documents with the Federal Trade Commission and the United States Department
of Justice which may be required to comply with the HSR Act, and shall promptly
furnish all materials thereafter requested by any of the regulatory agencies
having jurisdiction over such filings, in connection with a Transaction. The
Company shall take all reasonable actions and shall file and use reasonable best
efforts to have declared effective or approved all documents and notifications
with any governmental or regulatory bodies, as may be necessary or may
reasonably be requested under federal antitrust laws for the consummation of the
Transaction. Notwithstanding the foregoing, if GTCR Fund VII, rather than the
Company, is required to make a filing under the HSR Act in connection with a
Transaction, the Company will provide to GTCR Fund VII all necessary information
for such filing, will facilitate such filing and will pay all fees associated
with such filing.

          3J.  STOCK OPTION PLAN. Upon the request of the Board, the Company
will establish a customary stock option plan for employees, directors and
consultants of the Company and its Subsidiaries. The number of shares available
for such plan shall be equal to 987,328 shares of Common Stock.

          Section 4.   TRANSFER OF RESTRICTED SECURITIES.

          (a)  Restricted Securities are transferable only pursuant to (i)
public offerings registered under the Securities Act, (ii) Rule 144 of the
Securities and Exchange Commission (or any similar rule or rules then in force)
if such rule or rules are available and (iii) subject to the conditions
specified in CLAUSE (B) below, any other legally available means of transfer.

          (b)  In connection with the transfer of any Restricted Securities
(other than a

                                      -13-
<Page>

transfer described in SECTIONS 4(a)(i) or (ii) above), the holder thereof shall
deliver written notice to the Company describing in reasonable detail the
transfer or proposed transfer, together with an opinion of Kirkland & Ellis or
other counsel which (to the Company's reasonable satisfaction) is knowledgeable
in securities law matters to the effect that such transfer of Restricted
Securities may be effected without registration of such Restricted Securities
under the Securities Act. In addition, if the holder of the Restricted
Securities delivers to the Company an opinion of Kirkland & Ellis or such other
counsel that no subsequent transfer of such Restricted Securities shall require
registration under the Securities Act, the Company shall promptly upon such
contemplated transfer deliver new certificates for such Restricted Securities
which do not bear the Securities Act legend set forth in SECTION 7C. If the
Company is not required to deliver new certificates for such Restricted
Securities not bearing such legend, the holder thereof shall not transfer the
same until the prospective transferee has confirmed to the Company in writing
its agreement to be bound by the conditions contained in this Section and
SECTION 7C.

          (c)  Upon the request of any Purchaser, the Company shall promptly
supply to such Purchaser or its prospective transferees all information
regarding the Company required to be delivered in connection with a transfer
pursuant to Rule 144A of the Securities and Exchange Commission.

          Section 5.   REPRESENTATIONS AND WARRANTIES OF THE COMPANY. As a
material inducement to the Purchasers to enter into this Agreement and purchase
the Stock, the Company hereby represents and warrants to the Purchasers that:

          5A.  ORGANIZATION AND CORPORATE POWER. The Company is a corporation
duly organized, validly existing and in good standing under the laws of Delaware
and is qualified to do business in every jurisdiction in which the failure to so
qualify might reasonably be expected to have a Material Adverse Effect. The
Company has all requisite corporate power and authority and all material
licenses, permits and authorizations necessary to own and operate its
properties, to carry on its businesses as now conducted and presently proposed
to be conducted and to carry out the transactions contemplated by this
Agreement. The copies of the Company's Certificate of Incorporation and bylaws
which have been furnished to the Purchasers' counsels reflect all amendments
made thereto at any time prior to the date of this Agreement and are correct and
complete.

          5B.  CAPITAL STOCK AND RELATED MATTERS.

          (a)  As of the Initial Closing and immediately thereafter, the
authorized capital stock of the Company shall consist of 54,948,353 shares of
Stock, of which 96,790 shares shall be designated as Class A Preferred, and
96,790 of which shall be reserved for issuance to the Purchasers pursuant to
SECTIONS 1B(b), 1C(b) AND 1D(b) hereof, and of which 54,851,563 shares shall be
designated as Common Stock (16,031,022 of which shall be issued and outstanding,
24,657,082 of which shall be reserved for issuance to the Purchasers pursuant to
SECTIONS 1B(b), 1C(b) AND 1D(b) hereof, 13,176,129 of which shall be reserved
for issuances to the Executives pursuant to the Senior Management Agreements and
987,328 of which shall be reserved for

                                      -14-
<Page>

issuances upon exercise of options granted by the Company). As of the Initial
Closing, the Company shall not have outstanding any stock or securities
convertible or exchangeable for any shares of its capital stock or containing
any profit participation features, nor shall it have outstanding any rights or
options to subscribe for or to purchase its capital stock or any stock or
securities convertible into or exchangeable for its capital stock or any stock
appreciation rights or phantom stock plans other than pursuant to and as
contemplated by this Agreement, the Senior Management Agreements and the
Company's Certificate of Incorporation. As of the Initial Closing, the Company
shall not be subject to any obligation (contingent or otherwise) to repurchase
or otherwise acquire or retire any shares of its capital stock or any warrants,
options or other rights to acquire its capital stock, except pursuant to this
Agreement, the Senior Management Agreements and the Company's Certificate of
Incorporation. As of the Initial Closing, all of the outstanding shares of the
Company's capital stock shall be validly issued, fully paid and nonassessable.

          (b)  There are no statutory or, to the best of the Company's
knowledge, contractual stockholders preemptive rights or rights of refusal with
respect to the issuance of the Stock hereunder or the issuance of the Stock
pursuant to SECTIONS 1B(b), 1C(b) AND 1D(b), except as expressly contemplated in
the Stockholders Agreement or provided herein . Based in part on the investment
representations of the Purchasers in SECTION 7C hereof and of the Executives in
Section 1(e) of the Senior Management Agreements, the Company has not violated
any applicable federal or state securities laws in connection with the offer,
sale or issuance of any of its capital stock, and the offer, sale and issuance
of the Stock hereunder and pursuant to SECTIONS 1B(b), 1C(b) AND 1D(b) hereof do
not and will not require registration under the Securities Act or any applicable
state securities laws. To the best of the Company's knowledge, there are no
agreements between the Company's stockholders with respect to the voting or
transfer of the Company's capital stock or with respect to any other aspect of
the Company's affairs, except for the Stockholders Agreement, the Senior
Management Agreements and the Registration Agreement.

          5C.  SUBSIDIARIES; INVESTMENTS. DigitalNet is the Company's only
Subsidiary. DigitalNet is duly organized, validly existing and in good standing
under the laws of Delaware, possesses all requisite corporate power and
authority and all material licenses, permits and authorizations necessary to own
its properties and to carry on its businesses as now being conducted and as
presently proposed to be conducted and is qualified to do business in every
jurisdiction in which the failure to so qualify might reasonably be expected to
have a Material Adverse Effect. All of the outstanding shares of capital stock
of DigitalNet are validly issued, fully paid and non-assessable, and all such
shares are owned by the Company free and clear of any lien and not subject to
any option or right to purchase any such shares. Neither the Company nor
DigitalNet owns or holds the right to acquire any shares of stock or any other
security or interest in any other Person.

          5D.  AUTHORIZATION; NO BREACH. The execution, delivery and performance
of this Agreement, the Senior Management Agreements, the Stockholders Agreement,
the Registration Agreement, the Professional Services Agreement and all other
agreements

                                      -15-
<Page>

contemplated hereby to which the Company is a party have been duly authorized by
the Company. This Agreement, the Senior Management Agreements, the Stockholders
Agreement, the Registration Agreement, the Professional Services Agreement, the
Certificate of Incorporation and all other agreements contemplated hereby each
constitutes a valid and binding obligation of the Company, enforceable in
accordance with its terms, except to the extent that enforceability may be
limited by bankruptcy, insolvency or other similar laws affecting creditors'
rights generally. The execution and delivery by the Company of this Agreement,
the Senior Management Agreements, the Stockholders Agreement, the Registration
Agreement, the Professional Services Agreement and all other agreements
contemplated hereby to which the Company is a party, the offering, sale and
issuance of the Stock hereunder and pursuant to SECTIONS 1B(b), 1C(b) AND 1D(b)
and the fulfillment of and compliance with the respective terms hereof and
thereof by the Company do not and will not (i) conflict with or result in a
breach of the terms, conditions or provisions of, (ii) constitute a default
under, (iii) result in the creation of any lien, security interest, charge or
encumbrance upon the Company's capital stock or assets pursuant to, (iv) give
any third party the right to modify, terminate or accelerate any obligation
under, (v) result in a violation of, or (vi) require any authorization, consent,
approval, exemption or other action by or notice to any court or administrative
or governmental body pursuant to, the Certificate of Incorporation or bylaws of
the Company, or any law, statute, rule or regulation to which the Company is
subject, or any agreement, instrument, order, judgment or decree to which the
Company is a party or by which it is bound.

          5E.  CONDUCT OF BUSINESS; LIABILITIES. Other than the negotiation,
execution and delivery of this Agreement, the Senior Management Agreements, the
Stockholders Agreement, the Registration Agreement, the Professional Services
Agreement and the other agreements contemplated hereby and thereby, prior to the
Initial Closing, the Company has not (i) conducted any business, (ii) incurred
any expenses, obligations or liabilities (whether accrued, absolute, contingent,
unliquidated or otherwise, whether or not known to the Company and whether due
or to become due and regardless of when asserted), (iii) owned any assets, (iv)
entered into any contracts or agreements or (v) violated any laws or
governmental rules or regulations.

          5F.  LITIGATION, ETC. There are no actions, suits, proceedings,
orders, investigations or claims pending or, to the best of the Company's
knowledge, threatened against or affecting the Company (or to the best of the
Company's knowledge, pending or threatened against or affecting any of the
officers, directors or employees of the Company with respect to their businesses
or proposed business activities) at law or in equity, or before or by any
governmental department, commission, board, bureau, agency or instrumentality
with respect to the transactions contemplated by this Agreement.

          5G.  BROKERAGE. Except as provided in the Professional Services
Agreement, there are no claims for brokerage commissions, finders, fees or
similar compensation in connection with the transactions contemplated by this
Agreement based on any arrangement or agreement binding upon the Company. The
Company shall pay, and hold each Purchaser harmless against, any liability, loss
or expense (including, without limitation, attorneys, fees and

                                      -16-
<Page>

out-of-pocket expenses) arising in connection with any such claim.

          5H.  GOVERNMENTAL CONSENT, ETC. No permit, consent, approval or
authorization of, or declaration to or filing with, any governmental authority
is required in connection with the execution, delivery and performance by the
Company of this Agreement or the other agreements contemplated hereby, or the
consummation by the Company of any other transactions contemplated hereby or
thereby.

          5I.  DISCLOSURE. Neither this Agreement nor any of the schedules,
attachments, written statements, documents, certificates or other items prepared
or supplied to the Purchasers by or on behalf of the Company with respect to the
transactions contemplated hereby contain any untrue statement of a material fact
or omit a material fact necessary to make each statement contained herein or
therein not misleading. There is no fact which the Company has not disclosed to
the Purchasers in writing and of which any of its officers, directors or
executive employees is aware and which has had or might reasonably be
anticipated to have a material adverse effect upon the existing or expected
financial condition, operating results, assets, customer or supplier relations,
employee relations or business prospects of the Company.

          5J.  CLOSING DATE. The representations and warranties of the Company
contained in this SECTION 5 and elsewhere in this Agreement and all information
contained in any exhibit, schedule or attachment hereto or in any writing
delivered by, or on behalf of, the Company to the Purchasers shall be true and
correct in all material respects on the date of the Initial Closing as though
then made, except as affected by the transactions expressly contemplated by this
Agreement.

          Section 6.   DEFINITIONS. For the purposes of this Agreement, the
following terms have the meanings set forth below:

          "AFFILIATE" of any Person means any other Person, directly, or
indirectly through one or more intermediaries that is controlling, controlled by
or under common control with such Person, where "control" means the possession,
directly or indirectly, of the power to direct the management and policies of a
Person, whether through ownership of voting securities, by contract or
otherwise. For purposes of this Agreement, (i) all holdings of Class A Preferred
and Common Stock by Persons who are Affiliates of each other shall be aggregated
for purposes of meeting any threshold tests under this Agreement, and (ii) each
Bajaj Purchaser shall be deemed to be an Affiliate of each other Bajaj
Purchaser.

          "INDEBTEDNESS" means all indebtedness for borrowed money (including
purchase money obligations) maturing one year or more from the date of creation
or incurrence thereof or renewable or extendible at the option of the debtor to
a date one year or more from the date of creation or incurrence thereof, all
indebtedness under revolving credit arrangements extending over a year or more,
all capitalized lease obligations and all guarantees of any of the foregoing.

                                      -17-
<Page>

          "INVESTOR COMMON" means (i) the Common Stock issued hereunder
(including, without limitation, pursuant to SECTION 1B(b), 1C(b) AND 1D(b)) and
(ii) any Common Stock issued or issuable with respect to the Common Stock
referred to in clause (i) above by way of stock dividends or stock splits or in
connection with a combination of shares, recapitalization, merger, consolidation
or other reorganization. As to any particular shares of Investor Common, such
shares shall cease to be Investor Common when they have been (a) effectively
registered under the Securities Act and disposed of in accordance with the
registration statement covering them or (b) distributed to the public through a
broker, dealer or market maker pursuant to Rule 144 under the Securities Act (or
any similar rule then in force).

          "INVESTOR PREFERRED" means (i) the Class A Preferred issued hereunder
(including, without limitation, pursuant to SECTION 1B(b), 1C(b) AND 1D(b)) and
(ii) any Class A Preferred issued or issuable with respect to the Class A
Preferred referred to in clause (i) above by way of stock dividends or stock
splits or in connection with a combination of shares, recapitalization, merger,
consolidation or other reorganization. As to any particular shares of Investor
Preferred, such shares shall cease to be Investor Preferred when they have been
(a) effectively registered under the Securities Act and disposed of in
accordance with the registration statement covering them or (b) distributed to
the public through a broker, dealer or market maker pursuant to Rule 144 under
the Securities Act (or any similar rule then in force).

          "INVESTOR STOCK" means the Investor Preferred and the Investor Common.

          "INVESTMENT" as applied to any Person means (i) any direct or indirect
purchase or other acquisition by such Person of any notes, obligations,
instruments, stock, securities or ownership interest (including partnership
interests and joint venture interests) of any other Person and (ii) any capital
contribution by such Person to any other Person.

          "IRC" means the Internal Revenue Code of 1986, as amended, and any
reference to any particular IRC Section shall be interpreted to include any
revision of or successor to that Section regardless of how numbered or
classified.

          "MAJORITY HOLDERS" means the holders of a majority of the Investor
Preferred or, if no Investor Preferred is outstanding, the holders of a majority
of the Investor Common.

          "MATERIAL ADVERSE EFFECT" means a material adverse effect upon the
financial condition, operating results, assets, operations or business prospects
of the Company and its Subsidiaries, taken as a whole.

          "NON-ACQUISITION EXPENSES" means the costs and expenses, including
expenditures required to be capitalized on a balance sheet prepared in
accordance with GAAP, incurred by the Company other than in connection with
acquisitions, and other related costs and expenses (other than the Management
Fee payable pursuant to Section 5 of the Professional Services Agreement).

                                      -18-
<Page>

          "OFFICER'S CERTIFICATE" means a certificate signed by the Company's
president or its chief financial officer, stating that (i) the officer signing
such certificate has made or has caused to be made such investigations as are
necessary in order to permit him to verify the accuracy of the information set
forth in such certificate and (ii) to the best of such officer's knowledge, such
certificate does not misstate any material fact and does not omit to state any
fact necessary to make the certificate not misleading.

          "PERSON" means an individual, a partnership, a limited liability
company, a corporation, an association, a joint stock company, a trust, a joint
venture, an unincorporated organization and a governmental entity or any
department, agency or political subdivision thereof.

          "RESTRICTED SECURITIES" means (i) the Stock issued hereunder and
pursuant to SECTIONS 1B(b), 1C(b) AND 1D(b) hereof and (ii) any securities
issued with respect to the securities referred to in clause (i) above by way of
a stock dividend or stock split or in connection with a combination of shares,
recapitalization, merger, consolidation or other reorganization. As to any
particular Restricted Securities, such securities shall cease to be Restricted
Securities when they have (a) been effectively registered under the Securities
Act and disposed of in accordance with the registration statement covering them,
(b) become eligible for sale pursuant to Rule 144(k) (or any similar provision
then in force) under the Securities Act or (c) been otherwise transferred and
new certificates for them not bearing the Securities Act legend set forth in
SECTION 7C have been delivered by the Company in accordance with SECTION 4(b).
Whenever any particular securities cease to be Restricted Securities, the holder
thereof shall be entitled to receive from the Company, without expense, new
securities of like tenor not bearing a Securities Act legend of the character
set forth in SECTION 7C.

          "SECURITIES ACT" means the Securities Act of 1933, as amended, or any
similar federal law then in force.

          "SECURITIES EXCHANGE ACT" means the Securities Exchange Act of 1934,
as amended, or any similar federal law then in force.

          "SECURITIES AND EXCHANGE COMMISSION" includes any governmental body or
agency succeeding to the functions thereof.

          "SUBSIDIARY" means any corporation of which the securities having a
majority of the ordinary voting power in electing the board of directors are, at
the time as of which any determination is being made, owned by the Company
either directly or through one or more Subsidiaries.

          Section 7.   MISCELLANEOUS.

          7A.  EXPENSES. The Company agrees to pay, and hold each Purchaser and
all holders of Investor Stock harmless against liability for the payment of, (i)
the reasonable fees and expenses of their counsel arising in connection with the
negotiation and execution of this Agreement and the consummation of the
transactions contemplated by this Agreement

                                      -19-
<Page>

(including, without limitation, fees and expenses arising with respect to any
subsequent purchase of Stock pursuant to SECTIONS 1B(b), 1C(b) AND 1D(b)
hereof), (ii) the fees and expenses incurred with respect to any amendments or
waivers (whether or not the same become effective) under or in respect of this
Agreement, the Senior Management Agreements, the Stockholders Agreement, the
Registration Agreement, the Professional Services Agreement, the other
agreements contemplated hereby and the Certificate of Incorporation and the
Company's bylaws, (iii) stamp and other taxes which may be payable in respect of
the execution and delivery of this Agreement or the issuance, delivery or
acquisition of any shares of Stock purchased hereunder or in accordance with
SECTIONS 1B(b), 1C(b) AND 1D(b) hereof, (iv) the fees and expenses incurred with
respect to the interpretation or enforcement of the rights granted under this
Agreement, the Senior Management Agreements, the Stockholders Agreement, the
Registration Agreement, the Professional Services Agreement, the other
agreements contemplated hereby and the Certificate of Incorporation and the
Company's bylaws and (v) such reasonable travel expenses, legal fees and other
out-of-pocket fees and expenses as have been or may be incurred by the
Purchasers, their Affiliates and their Affiliates' directors, officers and
employees in connection with any Company-related financing and in connection
with the rendering of any other services by the Purchasers or their Affiliates
(including, but not limited to, fees and expenses incurred in attending board of
directors or other Company-related meetings).

          7B.  REMEDIES. Each holder of Investor Stock shall have all rights and
remedies set forth in this Agreement and the Certificate of Incorporation and
all rights and remedies which such holders have been granted at any time under
any other agreement or contract and all of the rights which such holders have
under any law. Any Person having any rights under any provision of this
Agreement shall be entitled to enforce such rights specifically (without posting
a bond or other security), to recover damages by reason of any breach of any
provision of this Agreement and to exercise all other rights granted by law.

          7C.  PURCHASERS' INVESTMENT REPRESENTATIONS. Each Purchaser hereby
represents (i) that it is acquiring the Restricted Securities purchased
hereunder or acquired pursuant hereto for its own account with the present
intention of holding such securities for purposes of investment, and that it has
no intention of selling such securities in a public distribution in violation of
the federal securities laws or any applicable state securities laws, (ii) that
it is an "accredited investor" and a sophisticated investor for purposes of
applicable U.S. federal and state securities laws and regulations, (iii) that
this Agreement and each of the other agreements contemplated hereby constitutes
(or will constitute) the legal, valid and binding obligation of each Purchaser,
enforceable in accordance with its terms, except to the extent that
enforceability may be limited by bankruptcy, insolvency or other similar laws
affecting creditors' rights generally and (iv) that the execution, delivery and
performance of this Agreement and such other agreements by such Purchaser does
not and will not conflict with, violate or cause a breach of any agreement,
contract or instrument to which such purchaser is subject. Notwithstanding the
foregoing, nothing contained herein shall prevent such Purchaser and subsequent
holders of Restricted Securities from transferring such securities in compliance
with the provisions of SECTION 4 hereof. Each certificate for Restricted
Securities shall be imprinted with a legend in substantially the following form:

                                      -20-
<Page>

          "THE SECURITIES REPRESENTED BY THIS CERTIFICATE WERE ORIGINALLY
          ISSUED ON [DATE OF ISSUANCE] AND HAVE NOT BEEN REGISTERED UNDER
          THE SECURITIES ACT OF 1933, AS AMENDED. THE TRANSFER OF THE
          SECURITIES REPRESENTED BY THIS CERTIFICATE IS SUBJECT TO THE
          CONDITIONS SPECIFIED IN THE PURCHASE AGREEMENT, DATED AS OF
          SEPTEMBER __, 2001 BY AND AMONG THE ISSUER (THE "COMPANY") AND
          CERTAIN INVESTORS, AND THE COMPANY RESERVES THE RIGHT TO REFUSE
          THE TRANSFER OF SUCH SECURITIES UNTIL SUCH CONDITIONS HAVE BEEN
          FULFILLED WITH RESPECT TO SUCH TRANSFER. A COPY OF SUCH
          CONDITIONS SHALL BE FURNISHED BY THE COMPANY TO THE HOLDER HEREOF
          UPON WRITTEN REQUEST AND WITHOUT CHARGE."

          7D.  CONSENT TO AMENDMENTS. Except as otherwise expressly provided
herein, the provisions of this Agreement may be amended and the Company may take
any action herein prohibited, or omit to perform any act herein required to be
performed by it, only if the Company has obtained the written consent of the
Majority Holders. Notwithstanding the foregoing sentence, in the event that such
modification, amendment or waiver would adversely affect a Purchaser or group
Purchasers in a manner different than any other Purchaser or group of
Purchasers, then such amendment or waiver will require the consent of such
Purchaser or a majority of the Investor Preferred held by such group of
Purchasers adversely affected. In addition, any amendment to SECTIONS 1C OR 1E
hereof shall require the written consent of the Bajaj Purchasers and any
amendment to SECTIONS 1D OR 1E hereof shall require the written consent of the
Pearlstein Purchaser. No other course of dealing between the Company and the
holder of any Stock or any delay in exercising any rights hereunder or under the
Certificate of Incorporation shall operate as a waiver of any rights of any such
holders. For purposes of this Agreement, shares of Stock held by the Company or
any Subsidiaries shall not be deemed to be outstanding.

          7E.  SURVIVAL OF REPRESENTATIONS AND WARRANTIES. All representations
and warranties contained herein or made in writing by any party in connection
herewith shall survive the execution and delivery of this Agreement and the
consummation of the transactions contemplated hereby, regardless of any
investigation made by the Purchasers or on their behalf, and in the case of
representations and warranties contained herein or made in writing in connection
with the Initial Closing, shall terminate on the second anniversary of this
Agreement, and in the case of representations and warranties contained herein or
made in writing in connection with any Subsequent Closing, shall terminate on
the second anniversary of the date of such Subsequent Closing.

          7F.  SUCCESSORS AND ASSIGNS. Except as otherwise expressly provided
herein, all covenants and agreements contained in this Agreement by or on behalf
of any of the parties

                                      -21-
<Page>

hereto shall bind and inure to the benefit of the respective successors and
assigns of the parties hereto whether so expressed or not. In addition, and
whether or not any express assignment has been made, the provisions of this
Agreement which are for the Purchasers' benefit as a purchaser or holder of
Stock are also for the benefit of, and enforceable by, any subsequent holder of
such Stock. The rights and obligations of each GTCR Purchaser under this
Agreement and the agreements contemplated hereby may be assigned by such GTCR
Purchaser at any time, in whole or in part, to any investment fund managed by
GTCR Golder Rauner, L.L.C., or any successor thereto.

          7G.  GENERALLY ACCEPTED ACCOUNTING PRINCIPLES. Where any accounting
determination or calculation is required to be made under this Agreement or the
exhibits hereto, such determination or calculation (unless otherwise provided)
shall be made in accordance with generally accepted accounting principles,
consistently applied, except that if because of a change in generally accepted
accounting principles the Company would have to alter a previously utilized
accounting method or policy in order to remain in compliance with generally
accepted accounting principles, such determination or calculation shall continue
to be made in accordance with the Company's previous accounting methods and
policies. All numbers set forth herein which refer to share prices or amounts
will be appropriately adjusted to reflect stock splits, stock dividends,
combinations of shares, other recapitalizations and other similar transactions
or corporate events affecting the subject class of stock.

          7H.  SEVERABILITY. Whenever possible, each provision of this Agreement
shall be interpreted in such manner as to be effective and valid under
applicable law, but if any provision of this Agreement is held to be prohibited
by or invalid under applicable law, such provision shall be ineffective only to
the extent of such prohibition or invalidity, without invalidating the remainder
of this Agreement.

          7I.  COUNTERPARTS. This Agreement may be executed simultaneously in
two or more counterparts (including by means of telecopied signature pages), any
one of which need not contain the signatures of more than one party, but all
such counterparts taken together shall constitute one and the same Agreement.

          7J.  ENTIRE AGREEMENT. This Agreement, those documents expressly
referred to herein and other documents of even date herewith embody the complete
agreement and understanding among the parties and supersede and preempt any
prior understandings, agreements or representations by or among the parties,
written or oral, which may have related to the subject matter hereof in any way.

          7K.  DESCRIPTIVE HEADINGS; INTERPRETATION. The descriptive headings of
this Agreement are inserted for convenience only and do not constitute a Section
of this Agreement. The use of the word "including" in this Agreement shall be by
way of example rather than by limitation.

          7L.  GOVERNING LAW. The corporate law of Delaware shall govern all
issues

                                      -22-
<Page>

concerning the relative rights of the Company and its stockholders. All other
questions concerning the construction, validity and interpretation of this
Agreement and the exhibits and schedules hereto shall be governed by and
construed in accordance with the internal laws of the State of Delaware, without
giving effect to any choice of law or conflict of law provision or rule (whether
of the State of Delaware or any other jurisdiction) that would cause the
application of the laws of any jurisdiction other than the State of Delaware.

          7M.  NOTICES. All notices, demands or other communications to be given
or delivered under or by reason of the provisions of this Agreement shall be in
writing and shall be deemed to have been given when delivered personally to the
recipient, sent to the recipient by reputable express courier service (charges
prepaid) or mailed to the recipient by certified or registered mail, return
receipt requested and postage prepaid. Such notices, demands and other
communications shall be sent to the Purchasers and to the Company at the address
indicated below:

          IF TO THE COMPANY:

               DigitalNet Holdings, Inc.
               6700A Rockledge Drive, Suite 525
               Bethesda, MD 20817

               Attention: Ken S. Bajaj

          WITH COPIES TO:

               GTCR Fund VII, L.P.
               GTCR Co-Invest, L.P.
               c/o GTCR Golder Rauner, L.L.C.
               6100 Sears Tower
               Chicago, Illinois 60606-6402
               Attention: Philip A. Canfield

               Kirkland & Ellis
               200 East Randolph Drive
               Chicago, Illinois 60601
               Attention: Stephen L. Ritchie

               Fried, Frank, Harris, Shriver & Jacobson
               1001 Pennsylvania Ave.
               Washington, DC 20004
               Attention: Richard A. Steinwurtzel

                                      -23-
<Page>

          IF TO THE PURCHASERS:

               GTCR Fund VII, L.P.
               GTCR Co-Invest, L.P.
               c/o GTCR Golder Rauner, L.L.C.
               6100 Sears Tower
               Chicago, Illinois 60606-6402
               Attention: Philip A. Canfield

               The J. Sunny Bajaj Trust
               P.O. Box 60246
               Potomac, MD 20859

               The Rueben Bajaj Trust
               P.O. Box 60246
               Potomac, MD 20859

               The Bajaj Family Limited Partnership
               P.O. Box 60246
               Potomac, MD 20859

               The Pearlstein Family, LLC
               5122 Warren Place, N.W.
               Washington, D.C. 20016

          WITH COPIES TO:

               Kirkland & Ellis
               200 East Randolph Drive
               Chicago, Illinois 60601
               Attention: Stephen L. Ritchie

               Fried Frank Harris Shriver & Jacobson
               1001 Pennsylvania Ave.
               Washington, DC  20004
               Attention: Richard A. Steinwurtzel

or to such other address or to the attention of such other person as the
recipient party has specified by prior written notice to the sending party.

          7N.  UNDERSTANDING AMONG THE PURCHASERS. The determination of each
Purchaser to purchase the Stock pursuant to this Agreement has been made by such
Purchaser independent of any other Purchaser and independent of any statements
or opinions as to the advisability of such purchase or as to the properties,
business, prospects or condition (financial or

                                      -24-
<Page>

otherwise) of the Company which may have been made or given by any other
Purchaser or by any agent or employee of any other Purchaser. In addition, it is
acknowledged by each of the Purchasers that no Purchaser has acted as an agent
of any other Purchaser in connection with making its investment hereunder and
that no Purchaser shall be acting as an agent of any other Purchaser in
connection with monitoring its investment hereunder. It is further acknowledged
by each of the other Purchasers that the GTCR Purchasers have retained Kirkland
& Ellis to act as their counsel in connection with the transactions contemplated
hereby and that Kirkland& Ellis has not acted as counsel for any of the other
Purchasers in connection herewith and that none of the other Purchasers have the
status of a client of Kirkland & Ellis for conflict of interest or other
purposes as a result thereof.

                                    * * * * *

                                      -25-
<Page>

          IN WITNESS WHEREOF, the parties hereto have executed this Purchase
Agreement on the date first written above.

                                     DIGITALNET HOLDINGS, INC.

                                     By:         /s/ Ken S. Bajaj
                                           ----------------------------------
                                     Name:        Ken S. Bajaj
                                           ----------------------------------
                                     Its:  Chief Executive Officer
INVESTMENT PERCENTAGE

     99.0928%                        GTCR FUND VII, L.P.

                                     By:   GTCR Partners VII, L.P.
                                     Its:  General Partner

                                     By:   GTCR Golder Rauner, L.L.C.
                                     Its:  General Partner

                                     By:      /s/ Philip A. Canfield
                                           ----------------------------------
                                     Name:     Philip A. Canfield
                                           ----------------------------------
                                     Its:  Principal

     0.9072%                         GTCR CO-INVEST, L.P.

                                     By:   GTCR Partners VI, L.P.
                                     Its:  General Partner

                                     By:   GTCR Golder Rauner, L.L.C.
                                     Its:  General Partner

                                     By:        /s/ Philip A. Canfield
                                           ----------------------------------
                                     Name:       Philip A. Canfield
                                           ----------------------------------
                                     Its:  Principal

                                     THE J. SUNNY BAJAJ TRUST

                                     By:     /s/ Jaideep Bajaj
                                         ------------------------------------
                                            Jaideep Bajaj, Trustee

                                     By:     /s/ Bhavneet Bajaj
                                         ------------------------------------

                    SIGNATURE PAGE TO THE PURCHASE AGREEMENT

<Page>

                                                 Bhavneet Bajaj, Trustee

                                     By:     /s/ Daniel A. Masur
                                         ------------------------------------
                                           Daniel A. Masur, Trustee

                                     THE RUEBEN BAJAJ TRUST

                                     By:     /s/ Jaideep Bajaj
                                         ------------------------------------
                                             Jaideep Bajaj, Trustee

                                     By:     /s/ Bhavneet Bajaj
                                         ------------------------------------
                                             Bhavneet Bajaj, Trustee

                                     By:     /s/ Daniel A. Masur
                                         ------------------------------------
                                             Daniel A. Masur, Trustee

                                     THE BAJAJ FAMILY LIMITED PARTNERSHIP

                                     By:   The J. SUNNY BAJAJ TRUST, its Limited
                                           Partner

                                     By:     /s/ Jaideep Bajaj
                                         ------------------------------------
                                           Jaideep Bajaj, Trustee

                                     By:     /s/ Bhavneet Bajaj
                                         ------------------------------------
                                           Bhavneet Bajaj, Trustee

                                     By:     /s/ Daniel A. Masur
                                         ------------------------------------
                                           Daniel A. Masur, Trustee

                                     By:   THE RUEBEN BAJAJ TRUST, its Limited
                                           Partner

                                     By:     /s/ Jaideep Bajaj
                                         ------------------------------------
                                           Jaideep Bajaj, Trustee

                    SIGNATURE PAGE TO THE PURCHASE AGREEMENT

<Page>

                                     By:      /s/ Bhavneet Bajaj
                                         ------------------------------------
                                           Bhavneet Bajaj, Trustee

                                     By:      /s/ Daniel A. Masur
                                         ------------------------------------
                                           Daniel A. Masur, Trustee

                                     By:      /s/ Ken S. Bajaj
                                         ------------------------------------
                                           Ken S. Bajaj, its Limited Partner

                                     By: KAVELLE BAJAJ REVOCABLE INTER
                                           VIVOS TRUST, its Limited Partner

                                     By:      /s/ Kavelle Bajaj
                                         ------------------------------------

                                     By: BAJAJ ASSOCIATES LLC, its General
                                         Partner

                                     By:   /s/ Ken S. Bajaj
                                         ------------------------------------
                                         Ken S. Bajaj, Managing Member

                                     By: THE J. SUNNY BAJAJ TRUST, its Limited
                                           Partner

                                     By:   /s/ Jaideep Bajaj
                                         ------------------------------------
                                           Jaideep Bajaj, Trustee

                                     By:      /s/ Bhavneet Bajaj
                                         ------------------------------------
                                           Bhavneet Bajaj, Trustee

                                     By:      /s/ Daniel A. Masur
                                         ------------------------------------
                                           Daniel A. Masur, Trustee

                                     By:   THE RUEBEN BAJAJ TRUST, its Limited
                                           Partner

                                     By:   /s/ Jaideep Bajaj
                                         ------------------------------------
                                           Jaideep Bajaj, Trustee

                                     By:     /s/ Bhavneet Bajaj
                                         ------------------------------------

                    SIGNATURE PAGE TO THE PURCHASE AGREEMENT

<Page>

                                           Bhavneet Bajaj, Trustee

                                     By:     /s/ Daniel A. Masur
                                         ------------------------------------
                                           Daniel A. Masur, Trustee

                                     THE PEARLSTEIN FAMILY, LLC

                                     By:     /s/ Jack Pearlstein
                                         ------------------------------------
                                           Jack Pearlstein, its Managing Member

                    SIGNATURE PAGE TO THE PURCHASE AGREEMENT

<Page>

                                LIST OF EXHIBITS

Exhibit A      -     Certificate of Incorporation

Exhibit B-1    -     Form of Senior Management Agreement for Ken S. Bajaj

Exhibit B-2    -     Form of Senior Management Agreement for Jack Pearlstein

Exhibit C      -     Form of Stockholders Agreement

Exhibit D      -     Form of Registration Agreement

Exhibit E      -     Form of Professional Services Agreement

<Page>

                             SUPPLEMENT NO. 1 TO THE
                               PURCHASE AGREEMENT

          THIS SUPPLEMENT NO. 1 TO THE PURCHASE AGREEMENT (this "AGREEMENT") is
made as of April 25, 2002, by and among DigitalNet Holdings, Inc. (the
"COMPANY"), GTCR Fund VII, L.P., a Delaware limited partnership ("GTCR"), GTCR
Co-Invest, L.P., a Delaware limited partnership ("CO-INVEST" and, together with
GTCR, the "GTCR PURCHASERS"), the J. Sunny Bajaj Trust, the Rueben Bajaj Trust
and the Bajaj Family Limited Partnership (each, a "BAJAJ PURCHASER" and
collectively, the "BAJAJ PURCHASERS") and the Pearlstein Family, LLC (the
"PEARLSTEIN PURCHASER", and together with the GTCR Purchasers and the Bajaj
Purchasers, the "PURCHASERS"). Except as otherwise indicated herein, capitalized
terms used and not otherwise defined herein have the meanings ascribed to such
terms in the Purchase Agreement (as defined below).

          The Company and the Purchasers are parties to a Purchase Agreement
dated as of September 7, 2001 (the "PURCHASE AGREEMENT"). Pursuant to Section
1B(b) of the Purchase Agreement, the GTCR Purchasers desire to purchase, and the
Company desires to sell, 5,300,000 shares of Common Stock for an aggregate
purchase price of $530,000.00. Pursuant to Section 1C(b) of the Purchase
Agreement, the Bajaj Purchasers will purchase, and the Company will sell,
220,833 shares of Common Stock for an aggregate purchase price of $22,084.
Pursuant to Section 1D(b) of the Purchase Agreement, the Pearlstein Purchaser
will purchase, and the Company desires to sell, 16,563 shares of Common Stock
for an aggregate purchase price of $1,656. The Common Stock purchased by the
Purchasers hereunder constitutes Investor Common under the Purchase Agreement.

          The parties hereto agree as follows:

          Section 1.    AUTHORIZATION AND CLOSING.

          1A.  AUTHORIZATION OF THE COMMON STOCK. The Company has authorized the
issuance and sale to the (i) GTCR Purchasers of 5,300,000 shares of Common
Stock, (ii) Bajaj Purchasers of 220,833 shares of Common Stock and (iii)
Pearlstein Purchaser of 16,563 shares of Common Stock, having the rights and
preferences set forth in the Certificate of Incorporation.

          1B.  PURCHASE AND SALE OF COMMON STOCK. At the Closing (as defined in
subparagraph 1C below), subject to the terms and conditions set forth herein,
(i) the GTCR Purchasers shall purchase from the Company, and the Company shall
sell to the GTCR Purchasers, 5,300,000 shares of Common Stock at a price of
$0.10 per share, (ii) the Bajaj Purchasers shall purchase from the Company, and
the Company shall sell to the Bajaj Purchasers, 220,833 shares of Common Stock
at a price of $0.10 per share and (iii) the Pearlstein Purchaser shall purchase
from the Company, and the Company shall sell to the Pearlstein Purchaser, 16,563
shares of Common Stock at a price of $0.10 per share. The aggregate purchase
price and the number of such purchased shares of Common Stock shall be allocated
among the Purchasers as set forth on SCHEDULE A attached hereto.

          1C.  THE CLOSING. The closing of the purchase and sale of the Common
Stock (the "CLOSING") shall take place at the offices of Kirkland & Ellis, 200
East Randolph Drive,

<Page>

Chicago, Illinois 60601 at 10:00 a.m. on April 25, 2002 or at such other place,
date and time as agreed to by the Purchasers. At the Closing, the Company shall
deliver to the Purchasers a stock certificate evidencing the shares of Common
Stock to be purchased by such Purchaser upon payment by such Purchaser of the
purchase price thereof by a cashier's or certified check, or by wire transfer of
immediately available funds to such account as designated by the Company.

          Section 2.    REPRESENTATIONS AND WARRANTIES OF THE COMPANY.

          2A.  AUTHORIZATION; NO CONFLICTS. As a material inducement to the
Purchasers to enter into this Agreement and purchase the Common Stock, the
Company hereby represents and warrants to the Purchasers that the execution,
delivery and performance of this Agreement and all other agreements contemplated
hereby to which the Company is a party have been duly authorized by the Company.
This Agreement constitutes a valid and binding obligation of the Company,
enforceable in accordance with its terms. The execution and delivery by the
Company of this Agreement, the offering, sale and issuance of the Common Stock
hereunder and the fulfillment of and compliance with the respective terms hereof
and thereof by the Company, do not and shall not (i) conflict with or result in
a breach of the terms, conditions or provisions of, (ii) constitute a default
under, (iii) result in the creation of any lien, security interest, charge or
encumbrance upon the capital stock or assets of the Company or any of its
Subsidiaries pursuant to, (iv) give any third party the right to modify,
terminate or accelerate any obligation under, (v) result in a violation of, or
(vi) require any authorization, consent, approval, exemption or other action by
or notice to any court or administrative or governmental body pursuant to, the
Certificate of Incorporation or bylaws of the Company or any of its
Subsidiaries, or any law, statute, rule or regulation to which the Company is
subject, or any agreement, instrument, order, judgment or decree to which the
Company or any of its Subsidiaries is a party or by which it is bound.

          2B.  CLOSING. All of the representations and warranties contained in
Section 5 of the Purchase Agreement (the "Section 5 Representations"), and all
information delivered in any schedule, attachment or exhibit hereto will be true
and correct at and as of the Closing, except in the case of the Section 5
Representations to the extent of changes caused by the transactions expressly
contemplated herein and except for changes occurring in the ordinary course of
the Company's and its Subsidiaries businesses which have not had a Material
Adverse Effect.

          Section 3.    PURCHASERS' INVESTMENT REPRESENTATIONS. Each Purchaser
hereby represents (i) that it is acquiring the Restricted Securities purchased
hereunder or acquired pursuant hereto for its own account with the present
intention of holding such securities for purposes of investment, and that it has
no intention of selling such securities in a public distribution in violation of
the federal securities laws or any applicable state securities laws, (ii) that
it is an "accredited investor" and a sophisticated investor for purposes of
applicable U.S. federal and state securities laws and regulations, (iii) that
this Agreement hereby constitutes the legal, valid and binding obligation of
each Purchaser, enforceable in accordance with its terms, except to the extent
that enforceability may be limited by bankruptcy, insolvency or other similar
laws affecting creditors' rights generally and (iv) that the execution, delivery
and performance of this Agreement by such Purchaser does not and will not
conflict with, violate or cause a breach of any agreement, contract or
instrument to which such purchaser is subject. Notwithstanding

                                       -2-
<Page>

the foregoing, nothing contained herein shall prevent such Purchaser and
subsequent holders of Restricted Securities from transferring such securities in
compliance with the provisions of Section 4 of the Purchase Agreement.

          Section 4.    MISCELLANEOUS.

          4A.  REMEDIES. Each holder of Investor Stock shall have all rights and
remedies set forth in the Purchase Agreement, this Agreement and the Certificate
of Incorporation and all rights and remedies which such holders have been
granted at any time under any other agreement or contract and all of the rights
which such holders have under any law. Any Person having any rights under any
provision of this Agreement shall be entitled to enforce such rights
specifically (without posting a bond or other security), to recover damages by
reason of any breach of any provision of this Agreement and to exercise all
other rights granted by law.

          4B.  LEGENDS. Each certificate for Restricted Securities issued
pursuant to this Agreement shall be imprinted with a legend in substantially the
following form:

          "THE SECURITIES REPRESENTED BY THIS CERTIFICATE WERE ORIGINALLY
          ISSUED ON APRIL 25, 2002 AND HAVE NOT BEEN REGISTERED UNDER THE
          SECURITIES ACT OF 1933, AS AMENDED. THE TRANSFER OF THE
          SECURITIES REPRESENTED BY THIS CERTIFICATE IS SUBJECT TO THE
          CONDITIONS SPECIFIED IN THE PURCHASE AGREEMENT, DATED AS OF
          SEPTEMBER 7, 2001 BY AND AMONG THE ISSUER (THE "COMPANY") AND
          CERTAIN INVESTORS, AND THE COMPANY RESERVES THE RIGHT TO REFUSE
          THE TRANSFER OF SUCH SECURITIES UNTIL SUCH CONDITIONS HAVE BEEN
          FULFILLED WITH RESPECT TO SUCH TRANSFER. A COPY OF SUCH
          CONDITIONS SHALL BE FURNISHED BY THE COMPANY TO THE HOLDER HEREOF
          UPON WRITTEN REQUEST AND WITHOUT CHARGE."

          4C.  CONSENT TO AMENDMENTS. Except as otherwise expressly provided
herein, the provisions of this Agreement may be amended and the Company may take
any action herein prohibited, or omit to perform any act herein required to be
performed by it, only if the Company has obtained the written consent of the
Majority Holders. Notwithstanding the foregoing sentence, in the event that such
modification, amendment or waiver would adversely affect a Purchaser or group
Purchasers in a manner different than any other Purchaser or group of
Purchasers, then such amendment or waiver will require the consent of such
Purchaser or a majority of the Investor Preferred held by such group of
Purchasers adversely affected.

          4D.  SURVIVAL OF REPRESENTATIONS AND WARRANTIES. All representations
and warranties contained herein or made in writing by any party in connection
herewith shall survive the execution and delivery of this Agreement and the
consummation of the transactions contemplated hereby, regardless of any
investigation made by the Purchasers or on their behalf, and shall terminate on
April 25, 2004.

                                       -3-
<Page>

          4E.  SUCCESSORS AND ASSIGNS. Except as otherwise expressly provided
herein, all covenants and agreements contained in this Agreement by or on behalf
of any of the parties hereto shall bind and inure to the benefit of the
respective successors and assigns of the parties hereto whether so expressed or
not. In addition, and whether or not any express assignment has been made, the
provisions of this Agreement which are for the Purchasers' benefit as a
purchaser or holder of Stock are also for the benefit of, and enforceable by,
any subsequent holder of such Stock. The rights and obligations of each GTCR
Purchaser under this Agreement and the agreements contemplated hereby may be
assigned by such GTCR Purchaser at any time, in whole or in part, to any
investment fund managed by GTCR Golder Rauner, L.L.C., or any successor thereto.

          4F.  SEVERABILITY. Whenever possible, each provision of this Agreement
shall be interpreted in such manner as to be effective and valid under
applicable law, but if any provision of this Agreement is held to be prohibited
by or invalid under applicable law, such provision shall be ineffective only to
the extent of such prohibition or invalidity, without invalidating the remainder
of this Agreement.

          4G.  COUNTERPARTS. This Agreement may be executed simultaneously in
two or more counterparts (including by means of telecopied signature pages), any
one of which need not contain the signatures of more than one party, but all
such counterparts taken together shall constitute one and the same Agreement.

          4H.  DESCRIPTIVE HEADINGS; INTERPRETATION. The descriptive headings of
this Agreement are inserted for convenience only and do not constitute a Section
of this Agreement. The use of the word "including" in this Agreement shall be by
way of example rather than by limitation.

          4I.  GOVERNING LAW. The corporate law of Delaware shall govern all
issues concerning the relative rights of the Company and its stockholders. All
other questions concerning the construction, validity and interpretation of this
Agreement and the exhibits and schedules hereto shall be governed by and
construed in accordance with the internal laws of the State of Delaware, without
giving effect to any choice of law or conflict of law provision or rule (whether
of the State of Delaware or any other jurisdiction) that would cause the
application of the laws of any jurisdiction other than the State of Delaware.

          4J.  NOTICES. All notices, demands or other communications to be given
or delivered under or by reason of the provisions of this Agreement shall be in
writing and shall be deemed to have been given when delivered personally to the
recipient, sent to the recipient by reputable express courier service (charges
prepaid) or mailed to the recipient by certified or registered mail, return
receipt requested and postage prepaid. Such notices, demands and other
communications shall be sent to the Purchasers and to the Company at the
addresses indicated in the Purchase Agreement or to such other address or to the
attention of such other person as the recipient party has specified by prior
written notice to the sending party.

                                       -4-
<Page>

          IN WITNESS WHEREOF, the parties hereto have executed this Agreement on
the date first written above.

                                   DIGITALNET HOLDINGS, INC.

                                   By:      /s/ Ken S. Bajaj
                                        -----------------------------------
                                   Name:      Ken S. Bajaj
                                        -----------------------------------
                                   Its: Chief Executive Officer

                                   GTCR FUND VII, L.P.

                                   By:  GTCR Partners VII, L.P.
                                   Its: General Partner

                                   By:  GTCR Golder Rauner, L.L.C.
                                   Its: General Partner

                                   By:      /s/ Philip A. Canfield
                                        -----------------------------------
                                   Name:     Philip A. Canfield
                                        -----------------------------------
                                   Its: Principal

                                   GTCR CO-INVEST, L.P.

                                   By:  GTCR Partners VI, L.P.
                                   Its: General Partner

                                   By:  GTCR Golder Rauner, L.L.C.
                                   Its: General Partner

                                   By:        /s/ Philip A. Canfield
                                        -----------------------------------
                                   Name:       Philip A. Canfield
                                        -----------------------------------
                                   Its: Principal

                                   THE J. SUNNY BAJAJ TRUST

                                   By:     /s/ Jaideep Bajaj
                                        -----------------------------------
                                          Jaideep Bajaj, Trustee

                                   By:     /s/ Bhavneet Bajaj
                                        -----------------------------------
                                          Bhavneet Bajaj, Trustee

                    SIGNATURE PAGE TO THE PURCHASE AGREEMENT

<Page>

                                   By:      /s/ Daniel A. Masur
                                        -----------------------------------
                                          Daniel A. Masur, Trustee

                                   THE RUEBEN BAJAJ TRUST

                                   By:    /s/ Jaideep Bajaj
                                        -----------------------------------
                                          Jaideep Bajaj, Trustee

                                   By:     /s/ Bhavneet Bajaj
                                        -----------------------------------
                                          Bhavneet Bajaj, Trustee

                                   By:    /s/ Daniel A. Masur
                                        -----------------------------------
                                          Daniel A. Masur, Trustee

                                   THE BAJAJ FAMILY LIMITED PARTNERSHIP

                                   By:  The J. SUNNY BAJAJ TRUST, its Limited
                                        Partner

                                   By:      /s/ Jaideep Bajaj
                                        -----------------------------------
                                          Jaideep Bajaj, Trustee

                                   By:        /s/ Bhavneet Bajaj
                                        -----------------------------------
                                          Bhavneet Bajaj, Trustee

                                   By:        /s/ Daniel A. Masur
                                        -----------------------------------
                                          Daniel A. Masur, Trustee

                                   By:  THE RUEBEN BAJAJ TRUST, its Limited
                                        Partner
                                   By:      /s/ Jaideep Bajaj
                                        -----------------------------------
                                          Jaideep Bajaj, Trustee

                                   By:        /s/ Bhavneet Bajaj
                                        -----------------------------------
                                          Bhavneet Bajaj, Trustee

                                   By:        /s/ Daniel A. Masur
                                        -----------------------------------
                                          Daniel A. Masur, Trustee

                    SIGNATURE PAGE TO THE PURCHASE AGREEMENT

<Page>

                                   By:      /s/ Ken S. Bajaj
                                        -----------------------------------
                                          Ken S. Bajaj, its Limited Partner

                                   By: KAVELLE BAJAJ REVOCABLE INTER
                                        VIVOS TRUST, its Limited Partner

                                   By:    /s/ Kavelle Bajaj
                                        -----------------------------------

                                   By:  BAJAJ ASSOCIATES LLC, its General
                                        Partner

                                   By:          /s/ Ken S. Bajaj
                                        -----------------------------------
                                          Ken S. Bajaj, Managing Member

                                   By:  THE J. SUNNY BAJAJ TRUST, its Limited
                                          Partner

                                   By:      /s/ Jaideep Bajaj
                                        -----------------------------------
                                            Jaideep Bajaj, Trustee

                                   By:        /s/ Bhavneet Bajaj
                                        -----------------------------------
                                            Bhavneet Bajaj, Trustee

                                   By:        /s/ Daniel A. Masur
                                        -----------------------------------
                                            Daniel A. Masur, Trustee

                                   By:  THE RUEBEN BAJAJ TRUST, its Limited
                                        Partner

                                   By:        /s/ Jaideep Bajaj
                                        -----------------------------------
                                            Jaideep Bajaj, Trustee

                                   By:          /s/ Bhavneet Bajaj
                                        -----------------------------------
                                            Bhavneet Bajaj, Trustee

                                   By:          /s/ Daniel A. Masur
                                        -----------------------------------
                                            Daniel A. Masur, Trustee

                    SIGNATURE PAGE TO THE PURCHASE AGREEMENT

<Page>

                                   THE PEARLSTEIN FAMILY, LLC

                                   By:        /s/ Jack Pearlstein
                                        -----------------------------------
                                            Jack Pearlstein, its Managing Member

                    SIGNATURE PAGE TO THE PURCHASE AGREEMENT

<Page>

                             SUPPLEMENT NO. 2 TO THE
                               PURCHASE AGREEMENT

          THIS SUPPLEMENT NO. 2 TO THE PURCHASE AGREEMENT (this "AGREEMENT") is
made as of October 8, 2002, by and among DigitalNet Holdings, Inc. (the
"COMPANY"), GTCR Fund VII, L.P., a Delaware limited partnership ("GTCR"), GTCR
Co-Invest, L.P., a Delaware limited partnership ("CO-INVEST" and, together with
GTCR, the "GTCR PURCHASERS"), the J. Sunny Bajaj Trust, the Rueben Bajaj Trust
and the Bajaj Family Limited Partnership (each, a "BAJAJ PURCHASER" and
collectively, the "BAJAJ PURCHASERS") and the Pearlstein Family, LLC (the
"PEARLSTEIN PURCHASER", and together with the GTCR Purchasers and the Bajaj
Purchasers, the "PURCHASERS"). Except as otherwise indicated herein, capitalized
terms used and not otherwise defined herein have the meanings ascribed to such
terms in the Purchase Agreement (as defined below).

          The Company and the Purchasers are parties to a Purchase Agreement
dated as of September 7, 2001 (the "PURCHASE AGREEMENT"). Pursuant to Section
1B(b) of the Purchase Agreement, the GTCR Purchasers desire to purchase, and the
Company desires to sell, 1,720,000 shares of Common Stock for an aggregate
purchase price of $172,000. Pursuant to Section 1C(b) of the Purchase Agreement,
the Bajaj Purchasers will purchase, and the Company will sell, 71,667 shares of
Common Stock for an aggregate purchase price of $7,167. Pursuant to Section
1D(b) of the Purchase Agreement, the Pearlstein Purchaser will purchase, and the
Company desires to sell, 5,375 shares of Common Stock for an aggregate purchase
price of $538. The Common Stock purchased by the Purchasers hereunder
constitutes Investor Common under the Purchase Agreement.

          The parties hereto agree as follows:

          Section 1.    AUTHORIZATION AND CLOSING.

          1A.  AUTHORIZATION OF THE COMMON STOCK. The Company has authorized the
issuance and sale to the (i) GTCR Purchasers of 1,720,000 shares of Common
Stock, (ii) Bajaj Purchasers of 71,667 shares of Common Stock and (iii)
Pearlstein Purchaser of 5,375 shares of Common Stock, having the rights and
preferences set forth in the Certificate of Incorporation.

          1B.  PURCHASE AND SALE OF COMMON STOCK. At the Closing (as defined in
subparagraph 1C below), subject to the terms and conditions set forth herein,
(i) the GTCR Purchasers shall purchase from the Company, and the Company shall
sell to the GTCR Purchasers, 1,720,000 shares of Common Stock at a price of
$0.10 per share, (ii) the Bajaj Purchasers shall purchase from the Company, and
the Company shall sell to the Bajaj Purchasers, 71,667 shares of Common Stock at
a price of $0.10 per share and (iii) the Pearlstein Purchaser shall purchase
from the Company, and the Company shall sell to the Pearlstein Purchaser, 5,375
shares of Common Stock at a price of $0.10 per share. The aggregate purchase
price and the number of such purchased shares of Common Stock shall be allocated
among the Purchasers as set forth on SCHEDULE A attached hereto.

          1C.  THE CLOSING. The closing of the purchase and sale of the Common
Stock (the "CLOSING") shall take place at the offices of Kirkland & Ellis, 200
East Randolph Drive,

<Page>

Chicago, Illinois 60601 at 10:00 a.m. on October 8, 2002 or at such other place,
date and time as agreed to by the Purchasers. At the Closing, the Company shall
deliver to the Purchasers a stock certificate evidencing the shares of Common
Stock to be purchased by such Purchaser upon payment by such Purchaser of the
purchase price thereof by a cashier's or certified check, or by wire transfer of
immediately available funds to such account as designated by the Company.

          Section 2.    REPRESENTATIONS AND WARRANTIES OF THE COMPANY.

          2A.  AUTHORIZATION; NO CONFLICTS. As a material inducement to the
Purchasers to enter into this Agreement and purchase the Common Stock, the
Company hereby represents and warrants to the Purchasers that the execution,
delivery and performance of this Agreement and all other agreements contemplated
hereby to which the Company is a party have been duly authorized by the Company.
This Agreement constitutes a valid and binding obligation of the Company,
enforceable in accordance with its terms. The execution and delivery by the
Company of this Agreement, the offering, sale and issuance of the Common Stock
hereunder and the fulfillment of and compliance with the respective terms hereof
and thereof by the Company, do not and shall not (i) conflict with or result in
a breach of the terms, conditions or provisions of, (ii) constitute a default
under, (iii) result in the creation of any lien, security interest, charge or
encumbrance upon the capital stock or assets of the Company or any of its
Subsidiaries pursuant to, (iv) give any third party the right to modify,
terminate or accelerate any obligation under, (v) result in a violation of, or
(vi) require any authorization, consent, approval, exemption or other action by
or notice to any court or administrative or governmental body pursuant to, the
Certificate of Incorporation or bylaws of the Company or any of its
Subsidiaries, or any law, statute, rule or regulation to which the Company is
subject, or any agreement, instrument, order, judgment or decree to which the
Company or any of its Subsidiaries is a party or by which it is bound.

          2B.  CLOSING. All of the representations and warranties contained in
Section 5 of the Purchase Agreement (the "Section 5 Representations"), and all
information delivered in any schedule, attachment or exhibit hereto will be true
and correct at and as of the Closing, except in the case of the Section 5
Representations to the extent of changes caused by the transactions expressly
contemplated herein and except for changes occurring in the ordinary course of
the Company's and its Subsidiaries businesses which have not had a Material
Adverse Effect.

          Section 3.    PURCHASERS' INVESTMENT REPRESENTATIONS. Each Purchaser
hereby represents (i) that it is acquiring the Restricted Securities purchased
hereunder or acquired pursuant hereto for its own account with the present
intention of holding such securities for purposes of investment, and that it has
no intention of selling such securities in a public distribution in violation of
the federal securities laws or any applicable state securities laws, (ii) that
it is an "accredited investor" and a sophisticated investor for purposes of
applicable U.S. federal and state securities laws and regulations, (iii) that
this Agreement hereby constitutes the legal, valid and binding obligation of
each Purchaser, enforceable in accordance with its terms, except to the extent
that enforceability may be limited by bankruptcy, insolvency or other similar
laws affecting creditors' rights generally and (iv) that the execution, delivery
and performance of this Agreement by such Purchaser does not and will not
conflict with, violate or cause a breach of any agreement, contract or
instrument to which such purchaser is subject. Notwithstanding

                                       -2-
<Page>

the foregoing, nothing contained herein shall prevent such Purchaser and
subsequent holders of Restricted Securities from transferring such securities in
compliance with the provisions of Section 4 of the Purchase Agreement.

          Section 4.    MISCELLANEOUS.

          4A.  REMEDIES. Each holder of Investor Stock shall have all rights and
remedies set forth in the Purchase Agreement, this Agreement and the Certificate
of Incorporation and all rights and remedies which such holders have been
granted at any time under any other agreement or contract and all of the rights
which such holders have under any law. Any Person having any rights under any
provision of this Agreement shall be entitled to enforce such rights
specifically (without posting a bond or other security), to recover damages by
reason of any breach of any provision of this Agreement and to exercise all
other rights granted by law.

          4B.  LEGENDS. Each certificate for Restricted Securities issued
pursuant to this Agreement shall be imprinted with a legend in substantially the
following form:

          "THE SECURITIES REPRESENTED BY THIS CERTIFICATE WERE ORIGINALLY
          ISSUED ON OCTOBER 8, 2002 AND HAVE NOT BEEN REGISTERED UNDER THE
          SECURITIES ACT OF 1933, AS AMENDED. THE TRANSFER OF THE
          SECURITIES REPRESENTED BY THIS CERTIFICATE IS SUBJECT TO THE
          CONDITIONS SPECIFIED IN THE PURCHASE AGREEMENT, DATED AS OF
          SEPTEMBER 7, 2001 BY AND AMONG THE ISSUER (THE "COMPANY") AND
          CERTAIN INVESTORS, AND THE COMPANY RESERVES THE RIGHT TO REFUSE
          THE TRANSFER OF SUCH SECURITIES UNTIL SUCH CONDITIONS HAVE BEEN
          FULFILLED WITH RESPECT TO SUCH TRANSFER. A COPY OF SUCH
          CONDITIONS SHALL BE FURNISHED BY THE COMPANY TO THE HOLDER HEREOF
          UPON WRITTEN REQUEST AND WITHOUT CHARGE."

          4C.  CONSENT TO AMENDMENTS. Except as otherwise expressly provided
herein, the provisions of this Agreement may be amended and the Company may take
any action herein prohibited, or omit to perform any act herein required to be
performed by it, only if the Company has obtained the written consent of the
Majority Holders. Notwithstanding the foregoing sentence, in the event that such
modification, amendment or waiver would adversely affect a Purchaser or group
Purchasers in a manner different than any other Purchaser or group of
Purchasers, then such amendment or waiver will require the consent of such
Purchaser or a majority of the Investor Preferred held by such group of
Purchasers adversely affected.

          4D.  SURVIVAL OF REPRESENTATIONS AND WARRANTIES. All representations
and warranties contained herein or made in writing by any party in connection
herewith shall survive the execution and delivery of this Agreement and the
consummation of the transactions contemplated hereby, regardless of any
investigation made by the Purchasers or on their behalf, and shall terminate on
October 8, 2004.

                                       -3-
<Page>

          4E.  SUCCESSORS AND ASSIGNS. Except as otherwise expressly provided
herein, all covenants and agreements contained in this Agreement by or on behalf
of any of the parties hereto shall bind and inure to the benefit of the
respective successors and assigns of the parties hereto whether so expressed or
not. In addition, and whether or not any express assignment has been made, the
provisions of this Agreement which are for the Purchasers' benefit as a
purchaser or holder of Stock are also for the benefit of, and enforceable by,
any subsequent holder of such Stock. The rights and obligations of each GTCR
Purchaser under this Agreement and the agreements contemplated hereby may be
assigned by such GTCR Purchaser at any time, in whole or in part, to any
investment fund managed by GTCR Golder Rauner, L.L.C., or any successor thereto.

          4F.  SEVERABILITY. Whenever possible, each provision of this Agreement
shall be interpreted in such manner as to be effective and valid under
applicable law, but if any provision of this Agreement is held to be prohibited
by or invalid under applicable law, such provision shall be ineffective only to
the extent of such prohibition or invalidity, without invalidating the remainder
of this Agreement.

          4G.  COUNTERPARTS. This Agreement may be executed simultaneously in
two or more counterparts (including by means of telecopied signature pages), any
one of which need not contain the signatures of more than one party, but all
such counterparts taken together shall constitute one and the same Agreement.

          4H.  DESCRIPTIVE HEADINGS; INTERPRETATION. The descriptive headings of
this Agreement are inserted for convenience only and do not constitute a Section
of this Agreement. The use of the word "including" in this Agreement shall be by
way of example rather than by limitation.

          4I.  GOVERNING LAW. The corporate law of Delaware shall govern all
issues concerning the relative rights of the Company and its stockholders. All
other questions concerning the construction, validity and interpretation of this
Agreement and the exhibits and schedules hereto shall be governed by and
construed in accordance with the internal laws of the State of Delaware, without
giving effect to any choice of law or conflict of law provision or rule (whether
of the State of Delaware or any other jurisdiction) that would cause the
application of the laws of any jurisdiction other than the State of Delaware.

          4J.  NOTICES. All notices, demands or other communications to be given
or delivered under or by reason of the provisions of this Agreement shall be in
writing and shall be deemed to have been given when delivered personally to the
recipient, sent to the recipient by reputable express courier service (charges
prepaid) or mailed to the recipient by certified or registered mail, return
receipt requested and postage prepaid. Such notices, demands and other
communications shall be sent to the Purchasers and to the Company at the
addresses indicated in the Purchase Agreement or to such other address or to the
attention of such other person as the recipient party has specified by prior
written notice to the sending party.

                                      -4-
<Page>

          IN WITNESS WHEREOF, the parties hereto have executed this Agreement on
the date first written above.

                                   DIGITALNET HOLDINGS, INC.

                                   By:      /s/ Ken S. Bajaj
                                        -----------------------------------
                                   Name:      Ken S. Bajaj
                                        -----------------------------------
                                   Its: Chief Executive Officer

                                   GTCR FUND VII, L.P.

                                   By:  GTCR Partners VII, L.P.
                                   Its: General Partner

                                   By:  GTCR Golder Rauner, L.L.C.
                                   Its: General Partner

                                   By:      /s/ Philip A. Canfield
                                        -----------------------------------
                                   Name:     Philip A. Canfield
                                        -----------------------------------
                                   Its: Principal

                                   GTCR CO-INVEST, L.P.

                                   By:  GTCR Partners VI, L.P.
                                   Its: General Partner

                                   By:  GTCR Golder Rauner, L.L.C.
                                   Its: General Partner

                                   By:        /s/ Philip A. Canfield
                                        -----------------------------------
                                   Name:       Philip A. Canfield
                                        -----------------------------------
                                   Its: Principal

                                   THE J. SUNNY BAJAJ TRUST

                                   By:     /s/ Jaideep Bajaj
                                        -----------------------------------
                                          Jaideep Bajaj, Trustee

                                   By:     /s/ Bhavneet Bajaj
                                        -----------------------------------
                                          Bhavneet Bajaj, Trustee

                    SIGNATURE PAGE TO THE PURCHASE AGREEMENT

<Page>

                                   By:      /s/ Daniel A. Masur
                                        -----------------------------------
                                          Daniel A. Masur, Trustee

                                   THE RUEBEN BAJAJ TRUST

                                   By:    /s/ Jaideep Bajaj
                                        -----------------------------------
                                          Jaideep Bajaj, Trustee

                                   By:     /s/ Bhavneet Bajaj
                                        -----------------------------------
                                          Bhavneet Bajaj, Trustee

                                   By:    /s/ Daniel A. Masur
                                        -----------------------------------
                                          Daniel A. Masur, Trustee

                                   THE BAJAJ FAMILY LIMITED PARTNERSHIP

                                   By:  The J. SUNNY BAJAJ TRUST, its Limited
                                        Partner

                                   By:      /s/ Jaideep Bajaj
                                        -----------------------------------
                                          Jaideep Bajaj, Trustee

                                   By:        /s/ Bhavneet Bajaj
                                        -----------------------------------
                                          Bhavneet Bajaj, Trustee

                                   By:        /s/ Daniel A. Masur
                                        -----------------------------------
                                          Daniel A. Masur, Trustee

                                   By:  THE RUEBEN BAJAJ TRUST, its Limited
                                        Partner

                                   By:      /s/ Jaideep Bajaj
                                        -----------------------------------
                                          Jaideep Bajaj, Trustee

                                   By:        /s/ Bhavneet Bajaj
                                        -----------------------------------
                                          Bhavneet Bajaj, Trustee

                                   By:        /s/ Daniel A. Masur
                                        -----------------------------------
                                          Daniel A. Masur, Trustee

                    SIGNATURE PAGE TO THE PURCHASE AGREEMENT

<Page>

                                   By:      /s/ Ken S. Bajaj
                                        -----------------------------------
                                          Ken S. Bajaj, its Limited Partner

                                   By: KAVELLE BAJAJ REVOCABLE INTER
                                        VIVOS TRUST, its Limited Partner

                                   By:    /s/ Kavelle Bajaj
                                        -----------------------------------

                                   By:    BAJAJ ASSOCIATES LLC, its General
                                          Partner

                                   By:          /s/ Ken S. Bajaj
                                        -----------------------------------
                                          Ken S. Bajaj, Managing Member

                                   By:  THE J. SUNNY BAJAJ TRUST, its Limited
                                          Partner

                                   By:      /s/ Jaideep Bajaj
                                        -----------------------------------
                                          Jaideep Bajaj, Trustee

                                   By:        /s/ Bhavneet Bajaj
                                        -----------------------------------
                                          Bhavneet Bajaj, Trustee

                                   By:        /s/ Daniel A. Masur
                                        -----------------------------------
                                          Daniel A. Masur, Trustee

                                   By:  THE RUEBEN BAJAJ TRUST, its Limited
                                        Partner

                                   By:        /s/ Jaideep Bajaj
                                        -----------------------------------
                                          Jaideep Bajaj, Trustee

                                   By:          /s/ Bhavneet Bajaj
                                        -----------------------------------
                                          Bhavneet Bajaj, Trustee

                                   By:          /s/ Daniel A. Masur
                                        -----------------------------------
                                          Daniel A. Masur, Trustee

                                   THE PEARLSTEIN FAMILY, LLC

                                   By:        /s/ Jack Pearlstein
                                        -----------------------------------
                                          Jack Pearlstein, its Managing Member

<Page>

                             SUPPLEMENT NO. 3 TO THE
                               PURCHASE AGREEMENT

          THIS SUPPLEMENT NO. 3 TO THE PURCHASE AGREEMENT (this "AGREEMENT") is
made as of November 26, 2002, by and among DigitalNet Holdings, Inc. (the
"COMPANY"), GTCR Fund VII, L.P., a Delaware limited partnership ("GTCR"), GTCR
Co-Invest, L.P., a Delaware limited partnership ("CO-INVEST" and, together with
GTCR, the "GTCR PURCHASERS"), the J. Sunny Bajaj Trust, the Rueben Bajaj Trust
and the Bajaj Family Limited Partnership (each, a "BAJAJ PURCHASER" and
collectively, the "BAJAJ PURCHASERS") and the Pearlstein Family, LLC (the
"PEARLSTEIN PURCHASER", and together with the GTCR Purchasers and the Bajaj
Purchasers, the "PURCHASERS"). Except as otherwise indicated herein, capitalized
terms used and not otherwise defined herein have the meanings ascribed to such
terms in the Purchase Agreement (as defined below).

          The Company and the Purchasers are parties to a Purchase Agreement
dated as of September 7, 2001 (the "PURCHASE AGREEMENT"). Pursuant to Section
1B(b) of the Purchase Agreement, the GTCR Purchasers desire to purchase, and the
Company desires to sell, 16,580,000 shares of Common Stock for an aggregate
purchase price of $1,658,000. Pursuant to Section 1C(b) of the Purchase
Agreement, the Bajaj Purchasers will purchase, and the Company will sell,
690,833 shares of Common Stock for an aggregate purchase price of $69,084.
Pursuant to Section 1D(b) of the Purchase Agreement, the Pearlstein Purchaser
will purchase, and the Company desires to sell, 51,813 shares of Common Stock
for an aggregate purchase price of $5,181. The Common Stock purchased by the
Purchasers hereunder constitutes Investor Common under the Purchase Agreement.

          Pursuant to Section 1B(b) of the Purchase Agreement, the GTCR
Purchasers desire to purchase, and the Company desires to sell, 58,744 shares of
Class A Preferred for an aggregate purchase price of $58,744,150. Pursuant to
Section 1C(b) of the Purchase Agreement, the Bajaj Purchasers will purchase, and
the Company will sell, 2,448 shares of Class A Preferred for an aggregate
purchase price of $2,447,672. Pursuant to Section 1D(b) of the Purchase
Agreement, the Pearlstein Purchaser will purchase, and the Company desires to
sell, 184 shares of Class A Preferred for an aggregate purchase price of
$183,575. The Class A Preferred purchased by the Purchasers hereunder
constitutes Investor Preferred under the Purchase Agreement.

          The parties hereto agree as follows:

          Section 1.    AUTHORIZATION AND CLOSING.

          1A.  AUTHORIZATION OF THE COMMON STOCK. The Company has authorized the
issuance and sale to the (i) GTCR Purchasers of 16,580,000 shares of Common
Stock and 58,744 shares of Class A Preferred, (ii) Bajaj Purchasers of 690,833
shares of Common Stock and 2,448 shares of Class A Preferred and (iii)
Pearlstein Purchaser of 51,813 shares of Common Stock and 184 shares of Class A
Preferred, having the rights and preferences set forth in the Certificate of
Incorporation.

<Page>

          1B.  PURCHASE AND SALE OF COMMON STOCK. At the Closing (as defined in
subparagraph 1D below), subject to the terms and conditions set forth herein,
(i) the GTCR Purchasers shall purchase from the Company, and the Company shall
sell to the GTCR Purchasers, 16,580,000 shares of Common Stock at a price of
$0.10 per share, (ii) the Bajaj Purchasers shall purchase from the Company, and
the Company shall sell to the Bajaj Purchasers, 690,833 shares of Common Stock
at a price of $0.10 per share and (iii) the Pearlstein Purchaser shall purchase
from the Company, and the Company shall sell to the Pearlstein Purchaser, 51,813
shares of Common Stock at a price of $0.10 per share. The aggregate purchase
price and the number of such purchased shares of Common Stock shall be allocated
among the Purchasers as set forth on SCHEDULE A attached hereto.

          1C.  PURCHASE AND SALE OF CLASS A PREFERRED. At the Closing (as
defined in subparagraph 1D below), subject to the terms and conditions set forth
herein, (i) the GTCR Purchasers shall purchase from the Company, and the Company
shall sell to the GTCR Purchasers, 58,744 shares of Class A Preferred at a price
of $1000.00 per share, (ii) the Bajaj Purchasers shall purchase from the
Company, and the Company shall sell to the Bajaj Purchasers, 2,448 shares of
Class A Preferred at a price of $1000.00 per share and (iii) the Pearlstein
Purchaser shall purchase from the Company, and the Company shall sell to the
Pearlstein Purchaser, 184 shares of Class A Preferred at a price of $1000.00 per
share. The aggregate purchase price and the number of such purchased shares of
Common Stock shall be allocated among the Purchasers as set forth on SCHEDULE B
attached hereto.

          1D.  THE CLOSING. The closing of the purchase and sale of the Common
Stock and Class A Preferred (the "CLOSING") shall take place at the offices of
Kirkland & Ellis, 200 East Randolph Drive, Chicago, Illinois 60601 at 10:00 a.m.
on November 26, 2002 or at such other place, date and time as agreed to by the
Purchasers. At the Closing, the Company shall deliver to the Purchasers a stock
certificate evidencing the shares of Common Stock and Class A Preferred to be
purchased by such Purchaser upon payment by such Purchaser of the purchase price
thereof by a cashier's or certified check, or by wire transfer of immediately
available funds to such account as designated by the Company.

          Section 2.    REPRESENTATIONS AND WARRANTIES OF THE COMPANY.

          2A.  AUTHORIZATION; NO CONFLICTS. As a material inducement to the
Purchasers to enter into this Agreement and purchase the Common Stock and Class
A Preferred, the Company hereby represents and warrants to the Purchasers that
the execution, delivery and performance of this Agreement and all other
agreements contemplated hereby to which the Company is a party have been duly
authorized by the Company. This Agreement constitutes a valid and binding
obligation of the Company, enforceable in accordance with its terms. The
execution and delivery by the Company of this Agreement, the offering, sale and
issuance of the Common Stock and Class A Preferred hereunder and the fulfillment
of and compliance with the respective terms hereof and thereof by the Company,
do not and shall not (i) conflict with or result in a breach of the terms,
conditions or provisions of, (ii) constitute a default under, (iii) result in
the creation of any lien, security interest, charge or encumbrance upon the
capital stock or assets of the Company or any of its Subsidiaries pursuant to,
(iv) give any third party the right to modify, terminate or accelerate any
obligation under, (v) result in a violation of, or (vi) require any
authorization, consent, approval, exemption or other action by or notice to any
court

                                       -2-
<Page>

or administrative or governmental body pursuant to, the Certificate of
Incorporation or bylaws of the Company or any of its Subsidiaries, or any law,
statute, rule or regulation to which the Company is subject, or any agreement,
instrument, order, judgment or decree to which the Company or any of its
Subsidiaries is a party or by which it is bound.

          2B.  CLOSING. All of the representations and warranties contained in
Section 5 of the Purchase Agreement (the "Section 5 Representations"), and all
information delivered in any schedule, attachment or exhibit hereto will be true
and correct at and as of the Closing, except in the case of the Section 5
Representations to the extent of changes caused by the transactions expressly
contemplated herein and except for changes occurring in the ordinary course of
the Company's and its Subsidiaries businesses which have not had a Material
Adverse Effect.

          Section 3.    PURCHASERS' INVESTMENT REPRESENTATIONS. Each Purchaser
hereby represents (i) that it is acquiring the Restricted Securities purchased
hereunder or acquired pursuant hereto for its own account with the present
intention of holding such securities for purposes of investment, and that it has
no intention of selling such securities in a public distribution in violation of
the federal securities laws or any applicable state securities laws, (ii) that
it is an "accredited investor" and a sophisticated investor for purposes of
applicable U.S. federal and state securities laws and regulations, (iii) that
this Agreement hereby constitutes the legal, valid and binding obligation of
each Purchaser, enforceable in accordance with its terms, except to the extent
that enforceability may be limited by bankruptcy, insolvency or other similar
laws affecting creditors' rights generally and (iv) that the execution, delivery
and performance of this Agreement by such Purchaser does not and will not
conflict with, violate or cause a breach of any agreement, contract or
instrument to which such purchaser is subject. Notwithstanding the foregoing,
nothing contained herein shall prevent such Purchaser and subsequent holders of
Restricted Securities from transferring such securities in compliance with the
provisions of Section 4 of the Purchase Agreement.

          Section 4.    MISCELLANEOUS.

          4A.  REMEDIES. Each holder of Investor Stock shall have all rights and
remedies set forth in the Purchase Agreement, this Agreement and the Certificate
of Incorporation and all rights and remedies which such holders have been
granted at any time under any other agreement or contract and all of the rights
which such holders have under any law. Any Person having any rights under any
provision of this Agreement shall be entitled to enforce such rights
specifically (without posting a bond or other security), to recover damages by
reason of any breach of any provision of this Agreement and to exercise all
other rights granted by law.

          4B.  LEGENDS. Each certificate for Restricted Securities issued
pursuant to this Agreement shall be imprinted with a legend in substantially the
following form:

          "THE SECURITIES REPRESENTED BY THIS CERTIFICATE WERE ORIGINALLY
          ISSUED ON NOVEMBER 26, 2002 AND HAVE NOT BEEN REGISTERED UNDER
          THE SECURITIES ACT OF 1933, AS AMENDED. THE TRANSFER OF THE
          SECURITIES REPRESENTED

                                       -3-
<Page>

          BY THIS CERTIFICATE IS SUBJECT TO THE CONDITIONS SPECIFIED IN THE
          PURCHASE AGREEMENT, DATED AS OF SEPTEMBER 7, 2001 BY AND AMONG
          THE ISSUER (THE "COMPANY") AND CERTAIN INVESTORS, AND THE COMPANY
          RESERVES THE RIGHT TO REFUSE THE TRANSFER OF SUCH SECURITIES
          UNTIL SUCH CONDITIONS HAVE BEEN FULFILLED WITH RESPECT TO SUCH
          TRANSFER. A COPY OF SUCH CONDITIONS SHALL BE FURNISHED BY THE
          COMPANY TO THE HOLDER HEREOF UPON WRITTEN REQUEST AND WITHOUT
          CHARGE."

          4C.  CONSENT TO AMENDMENTS. Except as otherwise expressly provided
herein, the provisions of this Agreement may be amended and the Company may take
any action herein prohibited, or omit to perform any act herein required to be
performed by it, only if the Company has obtained the written consent of the
Majority Holders. Notwithstanding the foregoing sentence, in the event that such
modification, amendment or waiver would adversely affect a Purchaser or group
Purchasers in a manner different than any other Purchaser or group of
Purchasers, then such amendment or waiver will require the consent of such
Purchaser or a majority of the Investor Preferred held by such group of
Purchasers adversely affected.

          4D.  SURVIVAL OF REPRESENTATIONS AND WARRANTIES. All representations
and warranties contained herein or made in writing by any party in connection
herewith shall survive the execution and delivery of this Agreement and the
consummation of the transactions contemplated hereby, regardless of any
investigation made by the Purchasers or on their behalf, and shall terminate on
November 26, 2004.

          4E.  SUCCESSORS AND ASSIGNS. Except as otherwise expressly provided
herein, all covenants and agreements contained in this Agreement by or on behalf
of any of the parties hereto shall bind and inure to the benefit of the
respective successors and assigns of the parties hereto whether so expressed or
not. In addition, and whether or not any express assignment has been made, the
provisions of this Agreement which are for the Purchasers' benefit as a
purchaser or holder of Stock are also for the benefit of, and enforceable by,
any subsequent holder of such Stock. The rights and obligations of each GTCR
Purchaser under this Agreement and the agreements contemplated hereby may be
assigned by such GTCR Purchaser at any time, in whole or in part, to any
investment fund managed by GTCR Golder Rauner, L.L.C., or any successor thereto.

          4F.  SEVERABILITY. Whenever possible, each provision of this Agreement
shall be interpreted in such manner as to be effective and valid under
applicable law, but if any provision of this Agreement is held to be prohibited
by or invalid under applicable law, such provision shall be ineffective only to
the extent of such prohibition or invalidity, without invalidating the remainder
of this Agreement.

          4G.  COUNTERPARTS. This Agreement may be executed simultaneously in
two or more counterparts (including by means of telecopied signature pages), any
one of which need not contain the signatures of more than one party, but all
such counterparts taken together shall constitute one and the same Agreement.

                                       -4-
<Page>

          4H.  DESCRIPTIVE HEADINGS; INTERPRETATION. The descriptive headings of
this Agreement are inserted for convenience only and do not constitute a Section
of this Agreement. The use of the word "including" in this Agreement shall be by
way of example rather than by limitation.

          4I.  GOVERNING LAW. The corporate law of Delaware shall govern all
issues concerning the relative rights of the Company and its stockholders. All
other questions concerning the construction, validity and interpretation of this
Agreement and the exhibits and schedules hereto shall be governed by and
construed in accordance with the internal laws of the State of Delaware, without
giving effect to any choice of law or conflict of law provision or rule (whether
of the State of Delaware or any other jurisdiction) that would cause the
application of the laws of any jurisdiction other than the State of Delaware.

          4J.  NOTICES. All notices, demands or other communications to be given
or delivered under or by reason of the provisions of this Agreement shall be in
writing and shall be deemed to have been given when delivered personally to the
recipient, sent to the recipient by reputable express courier service (charges
prepaid) or mailed to the recipient by certified or registered mail, return
receipt requested and postage prepaid. Such notices, demands and other
communications shall be sent to the Purchasers and to the Company at the
addresses indicated in the Purchase Agreement or to such other address or to the
attention of such other person as the recipient party has specified by prior
written notice to the sending party.

                                       -5-
<Page>

          IN WITNESS WHEREOF, the parties hereto have executed this Agreement on
the date first written above.

                                     DIGITALNET HOLDINGS, INC.

                                     By:       /s/ Ken S. Bajaj
                                           ----------------------------------
                                     Name:      Ken S. Bajaj
                                           ----------------------------------
                                     Its:  Chief Executive Officer

                                     GTCR FUND VII, L.P.

                                     By:   GTCR Partners VII, L.P.
                                     Its:  General Partner

                                     By:   GTCR Golder Rauner, L.L.C.
                                     Its:  General Partner

                                     By:      /s/ Philip A. Canfield
                                           ----------------------------------
                                     Name:     Philip A. Canfield
                                           ----------------------------------
                                     Its:  Principal

                                     GTCR CO-INVEST, L.P.

                                     By:   GTCR Partners VI, L.P.
                                     Its:  General Partner

                                     By:   GTCR Golder Rauner, L.L.C.
                                     Its:  General Partner

                                     By:        /s/ Philip A. Canfield
                                           ----------------------------------
                                     Name:       Philip A. Canfield
                                           ----------------------------------
                                     Its:  Principal

                                     THE J. SUNNY BAJAJ TRUST

                                     By:    /s/ Jaideep Bajaj
                                         ------------------------------------
                                           Jaideep Bajaj, Trustee

                                     By:    /s/ Bhavneet Bajaj
                                         ------------------------------------
                                           Bhavneet Bajaj, Trustee

                    SIGNATURE PAGE TO THE PURCHASE AGREEMENT

<Page>

                                     By:    /s/ Daniel A. Masur
                                         ------------------------------------
                                           Daniel A. Masur, Trustee

                                     THE RUEBEN BAJAJ TRUST

                                     By:    /s/ Jaideep Bajaj
                                         ------------------------------------
                                           Jaideep Bajaj, Trustee

                                     By:    /s/ Bhavneet Bajaj
                                         ------------------------------------
                                           Bhavneet Bajaj, Trustee

                                     By:    /s/ Daniel A. Masur
                                         ------------------------------------
                                           Daniel A. Masur, Trustee

                                     THE BAJAJ FAMILY LIMITED PARTNERSHIP

                                     By:   The J. SUNNY BAJAJ TRUST, its Limited
                                           Partner

                                     By:      /s/ Jaideep Bajaj
                                         ------------------------------------
                                           Jaideep Bajaj, Trustee

                                     By:        /s/ Bhavneet Bajaj
                                         ------------------------------------
                                           Bhavneet Bajaj, Trustee

                                     By:        /s/ Daniel A. Masur
                                         ------------------------------------
                                           Daniel A. Masur, Trustee

                                     By:   THE RUEBEN BAJAJ TRUST, its Limited
                                           Partner

                                     By:     /s/ Jaideep Bajaj
                                         ------------------------------------
                                           Jaideep Bajaj, Trustee

                                     By:       /s/ Bhavneet Bajaj
                                         ------------------------------------
                                           Bhavneet Bajaj, Trustee

                                     By:       /s/ Daniel A. Masur
                                         ------------------------------------
                                           Daniel A. Masur, Trustee

                    SIGNATURE PAGE TO THE PURCHASE AGREEMENT

<Page>

                                     By:      /s/ Ken S. Bajaj
                                         ------------------------------------
                                           Ken S. Bajaj, its Limited Partner

                                     By: KAVELLE BAJAJ REVOCABLE INTER
                                           VIVOS TRUST, its Limited Partner

                                     By:   /s/ Kavelle Bajaj
                                         ------------------------------------

                                     By:   BAJAJ ASSOCIATES LLC, its General
                                           Partner

                                     By:     /s/ Ken S. Bajaj
                                         ------------------------------------
                                           Ken S. Bajaj, Managing Member

                                     By: THE J. SUNNY BAJAJ TRUST, its Limited
                                            Partner

                                     By:      /s/ Jaideep Bajaj
                                         ------------------------------------
                                           Jaideep Bajaj, Trustee

                                     By:        /s/ Bhavneet Bajaj
                                         ------------------------------------
                                           Bhavneet Bajaj, Trustee

                                     By:        /s/ Daniel A. Masur
                                         ------------------------------------
                                           Daniel A. Masur, Trustee

                                     By:   THE RUEBEN BAJAJ TRUST, its Limited
                                           Partner

                                     By:      /s/ Jaideep Bajaj
                                         ------------------------------------
                                           Jaideep Bajaj, Trustee

                                     By:        /s/ Bhavneet Bajaj
                                         ------------------------------------
                                           Bhavneet Bajaj, Trustee

                                     By:        /s/ Daniel A. Masur
                                         ------------------------------------
                                           Daniel A. Masur, Trustee

                    SIGNATURE PAGE TO THE PURCHASE AGREEMENT

<Page>

                                     THE PEARLSTEIN FAMILY, LLC

                                     By:      /s/ Jack Pearlstein
                                         ------------------------------------
                                           Jack Pearlstein, its Managing Member

                    SIGNATURE PAGE TO THE PURCHASE AGREEMENT

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