July , 2010
EXCHANGE AGENT AGREEMENT
The Bank of New York Mellon Trust Company, N.A.
10161 Centurion Pkwy. N., 2nd Floor
Jacksonville, Florida 32256
Corporate Trust Administration
Ladies and Gentlemen:
ManTech International Corporation, a Delaware corporation (the "Company") proposes to make an offer (the "Exchange
Offer") to exchange all of its outstanding 7.25% Senior Notes due 2018 (the "Old Securities") for its new, registered 7.25% Senior Notes due 2018 (the "New Securities"). The terms and conditions of the Exchange Offer as
currently contemplated are set forth in a prospectus, dated July , 2010 (the "Prospectus"), proposed to be distributed to all record holders of the Old Securities. The Old Securities and the New Securities are
collectively referred to herein as the "Securities".
The Company hereby appoints The Bank of New York Mellon Trust
Company, N.A. to act as exchange agent (the "Exchange Agent") in connection with the Exchange Offer. References hereinafter to "you" shall refer to The Bank of New York Mellon Trust Company, N.A.
The Exchange Offer is expected to be commenced by the Company on or about
, 2010. The Letter of Transmittal accompanying the Prospectus (or in the case of book-entry securities, the Automated Tender Offer Program ("ATOP") of the Book-Entry
Transfer Facility (as defined below)) is to be used by the holders of the Old Securities to accept the Exchange Offer and contains instructions with respect to the delivery of certificates for Old Securities tendered in connection therewith.
The Exchange Offer shall expire at 11:59 p.m., New York City time, on
, 2010 or on such subsequent date or time to which the Company may extend the Exchange Offer (the "Expiration Date"). Subject to the terms and conditions set forth in
the Prospectus, the Company expressly reserves the right to extend the Exchange Offer from time to time and may extend the Exchange Offer by giving oral (promptly confirmed in writing) or written notice to you before 9:00 a.m., New York City time,
on the business day following the previously scheduled Expiration Date.
The Company expressly reserves the right to amend or terminate the Exchange Offer, and not
to accept for exchange any Old Securities not theretofore accepted for exchange, upon the occurrence of any of the conditions of the Exchange Offer specified in the Prospectus under the caption "The Exchange Offer Conditions". The
Company will give oral (promptly confirmed in writing) or written notice of any amendment, termination or nonacceptance to you as promptly as practicable.
In carrying out your duties as Exchange Agent, you are to act in accordance with the following instructions:
1. You will perform such duties and only such duties as are specifically set forth in the section of the Prospectus captioned "The
Exchange Offer" or as specifically set forth herein; provided, however, that in no way will your general duty to act in good faith be discharged by the foregoing.
2. You will establish a book-entry account with respect to the Old Securities at The Depository Trust Company (the "Book-Entry
Transfer Facility") for purposes of the Exchange Offer within two business days after the date of the Prospectus, and any financial institution that is a participant in the Book-Entry Transfer Facilitys systems may make book-entry
delivery of the Old Securities by causing the Book-Entry Transfer Facility to transfer such Old Securities into your account in accordance with the Book-Entry Transfer Facilitys procedure for such transfer.