Exhibit 10.8
 
SECOND MODIFICATION TO
BUSINESS LOAN AND SECURITY AGREEMENT
 
THIS SECOND MODIFICATION TO BUSINESS LOAN AND SECURITY AGREEMENT (this
“Modification”) is made as of the 9th day of July, 2002, by and among (i)
CITIZENS BANK OF PENNSYLVANIA, a Pennsylvania state chartered bank (“Citizens
Bank”), acting in its capacity as a Lender, Swing Line Lender and as the
Administrative Agent for the Lenders (hereinafter defined), having offices at
8521 Leesburg Pike, Suite 405, Vienna, Virginia 22182; (ii) PNC BANK, NATIONAL
ASSOCIATION, a national banking association (“PNC”), acting in its capacity of
Lender and as the Documentation Agent for the Lenders, having offices at One PNC
Plaza, 6th Floor, 249 Fifth Avenue, Pittsburgh, Pennsylvania 15222; (iii) BRANCH
BANKING AND TRUST COMPANY OF VIRGINIA, a Virginia banking corporation (“BB&T”),
having offices at 8200 Greensboro Drive, Suite 250, McLean, Virginia 22102, (iv)
CHEVY CHASE BANK, F.S.B., a federal savings bank (“Chevy Chase”) having offices
at 7501 Wisconsin Avenue, 12th Floor, Bethesda, Maryland 20814, (v) any other
Lender parties to the Loan Agreement (hereinafter defined) from time to time;
(vi) MANTECH INTERNATIONAL CORPORATION, a Delaware corporation (“MIC”); MANTECH
ADVANCED SYSTEMS INTERNATIONAL, INC.; a Virginia corporation, MANTECH SYSTEMS
ENGINEERING CORPORATION, a Virginia corporation; NSI TECHNOLOGY SERVICES
CORPORATION, a California corporation; MANTECH SYSTEMS CORPORATION, a New Jersey
corporation; MANTECH SOLUTIONS CORPORATION, a Virginia corporation; MANTECH
ENVIRONMENTAL TECHNOLOGY, INC., a Virginia corporation; MANTECH SUPPORT
TECHNOLOGY, INC., a Virginia corporation; MANTECH AUSTRALIA INTERNATIONAL, INC.,
a Virginia corporation formerly known as ManTech Computer Company, Inc.; FIELD
SUPPORT SERVICES MÜHENDISLIK LIMITED SIRKETI, a corporation organized and
existing under the laws of Turkey; MASI U.K. LIMITED, a corporation organized
and existing under the laws of the United Kingdom; MANTECH TELECOMMUNICATIONS
AND INFORMATION SYSTEMS CORPORATION, a Delaware corporation formerly known as
ManTech Strategic Associates, Ltd.; TECHNOLOGY MANAGEMENT CORPORATION, a
Virginia corporation; SCIENCE ENGINEERING & ANALYSIS, INCORPORATED, a Virginia
corporation; MANTECH ENVIRONMENTAL RESEARCH SERVICES CORP., a Virginia
corporation; NSI ENVIRONMENTAL SOLUTIONS, INC., a Virginia corporation; MANTECH
ENVIRONMENTAL CORPORATION, a Virginia corporation; MANTECH SYSTEMS SOLUTIONS
CORPORATION, a Virginia corporation formerly known as Tidewater Consultants,
Inc.; MANTECH SOLUTIONS & TECHNOLOGIES CORPORATION, a Virginia corporation
formerly known as ManTech Systems Integration Corporation; MANTECH TEST SYSTEMS,
INC., a Virginia corporation; MANTECH U.K. SYSTEMS CORPORATION, a Virginia
corporation; REDESMUNDIAL, S.A., a corporation organized and existing under the
laws of the Republic of Panama formerly known as ManTech International Panama,
Inc.; MANTECH GERMANY SYSTEMS CORPORATION, a Virginia corporation; MANTECH CHINA
SYSTEMS CORPORATION, a Virginia corporation; MANTECH ADVANCED DEVELOPMENT GROUP,
INC., a California corporation; MANTECH ENTERPRISE SOLUTIONS, INC., a Virginia
corporation; MANTECH ADVANCED RECOGNITION LIMITED, a private company registered
in England under the number 885326 formerly known as Advanced Recognition
Limited; VOBIX CORPORATION, a Virginia corporation; MANTECH DATABASE SERVICES
EUROPE LIMITED, a corporation organized and existing under the laws of the
United Kingdom; MANTECH SECURITY TECHNOLOGIES

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CORPORATION, a Virginia corporation (each, a “Borrower” and collectively, the
“Borrowers”), and (vii) each other person or entity hereafter becoming a
“Borrower” party to the Loan Agreement (as hereinafter defined) by executing a
“Joinder Agreement” pursuant to the Loan Agreement. For purposes of this
Modification, (a) Citizens Bank (acting in its capacity as a Lender), PNC
(acting in its capacity as a Lender), BB&T and Chevy Chase are collectively
referred to herein as the “Lenders”; (b) the Administrative Agent and the
Documentation Agent are collectively referred to herein as the “Agents”; and (c)
all other capitalized terms used but not defined herein shall have the meanings
attributed to such terms in the Loan Agreement.
 
W I T N E S S E T H   T H A T:
 
WHEREAS, pursuant to that certain Business Loan and Security Agreement dated as
of December 17, 2001 (as the same has been amended by that certain First
Modification to Business Loan and Security Agreement dated as of July 1, 2002,
and as the same may be further amended or modified from time to time, the “Loan
Agreement”), by and among the Lenders, the Borrowers and the Agents, the
Borrowers obtained a loan (the “Loan”) from the Lenders in the original
aggregate maximum principal amount of Seventy-one Million Four Hundred Thousand
and No/100 Dollars ($71,400,000.00), evidenced by the Notes and secured by,
among other things, certain collateral more fully described in Section 3.1 of
the Loan Agreement; and
 
WHEREAS, the Borrowers have requested that certain adjustments be made to the
Pricing Grid attached as Exhibit 9 to the Loan Agreement; and
 
WHEREAS, the Lenders have agreed to amend the Loan Agreement as requested
subject to, among other things, the terms, covenants, agreements and limitations
set forth in this Modification, as hereinafter provided.
 
NOW, THEREFORE, in consideration of the foregoing premises and other valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, and
intending to be legally bound, the parties hereby agree as follows:
 
1.    The foregoing recitals are hereby incorporated herein by this reference
and made a part hereof, with the same force and effect as if fully set forth
herein.
 
2.    Effective as of July 12, 2002, Exhibit 9 attached to the Loan Agreement
shall be automatically (and without further documentation) deleted in its
entirety and the Exhibit 9 attached hereto substituted in lieu thereof.
 
3.    Each Borrower hereby acknowledges and agrees that (i) there are no
set-offs or defenses against the Notes, the Loan Agreement or any other Loan
Document; (ii) except as specifically amended hereby, all of the terms and
conditions of the Notes, the Loan Agreement and the other Loan Documents shall
remain unmodified and in full force and effect; (iii) the Notes, the Loan
Agreement (as modified hereby) and the other Loan Documents are hereby expressly
approved, ratified and confirmed; and (iv) the execution, delivery and
performance by each Borrower of this Modification (a) is within its corporate
powers, (b) has been duly

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authorized by all necessary corporate action, and (c) does not require the
consent or approval of any other person or entity.
 
4.    The Borrowers hereby represent and warrant that the representations and
warranties set forth in the Loan Agreement and the other Loan Documents are true
and correct as of the date hereof with the same force and effect as though made
on and as of the date hereof.
 
5.    This Modification may be executed by facsimile and in any number of
counterparts, each of which when so executed and delivered shall be deemed to be
an original and all of which taken together shall constitute one and the same
document.
 
6.    This Modification shall be governed by and construed in accordance with
the laws of the Commonwealth of Virginia, without regard to choice of law
principles. This Modification shall be binding upon the Borrowers, each Lender,
the Agents and their respective successors and assigns.
 
7.    The section and other headings contained in this Modification (if any) are
for convenience of reference only, and in no way define, limit or describe the
scope of this Modification or the intent of any provision hereof.
 
8.    By its execution below, BB&T hereby acknowledges and agrees that, to the
extent applicable to the Lenders, BB&T is bound by and subject to all of the
terms and provisions set forth in that certain First Modification to Business
Loan and Security Agreement dated as of July 1, 2002 as if BB&T were an original
signatory party thereto.
 
[Remainder of Page Intentionally Left Blank]

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IN WITNESS WHEREOF, this Modification has been signed, sealed and delivered as
of the date and year first above written.
 
WITNESS:
     
MANTECH INTERNATIONAL CORPORATION,
a Delaware corporation;
By:
 
/s/    JEFFREY S. BROWN        

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By:
 
/s/    MATTHEW P. GALASKI        

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Name:    Jeffrey S. Brown
         
Name:    Matthew P. Galaski
Title:      Vice President

 
MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC., a Virginia corporation;
MANTECH SYSTEMS ENGINEERING CORPORATION,  a Virginia corporation;
NSI TECHNOLOGY SERVICES CORPORATION, a California corporation;
MANTECH SYSTEMS CORPORATION, a New Jersey corporation;
MANTECH SOLUTIONS CORPORATION, a Virginia corporation;
MANTECH ENVIRONMENTAL TECHNOLOGY, INC., a Virginia corporation;
MANTECH SUPPORT TECHNOLOGY, INC., a Virginia corporation;
MANTECH AUSTRALIA INTERNATIONAL, INC., a Virginia corporation formerly known as
ManTech Computer Company, Inc.;
FIELD SUPPORT SERVICES MÜHENDISLIK LIMITED SIRKETI, a corporation organized and
existing under the laws of Turkey;
MANTECH TELECOMMUNICATIONS AND INFORMATION SYSTEMS CORPORATION, a Delaware
corporation formerly known as ManTech Strategic Associates, Ltd.;
 
WITNESS:
       
By:
 
/s/    JEFFREY S. BROWN        

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By:
 
/s/    MATTHEW P. GALASKI        

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Name:    Jeffrey S. Brown
         
Name:    Matthew P. Galaski
Title:      Vice President

 

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TECHNOLOGY MANAGEMENT CORPORATION, a Virginia corporation;
SCIENCE ENGINEERING & ANALYSIS, INCORPORATED, a Virginia corporation;
MANTECH ENVIRONMENTAL RESEARCH SERVICES CORP., a Virginia corporation;
NSI ENVIRONMENTAL SOLUTIONS, INC., a Virginia corporation;
MANTECH ENVIRONMENTAL CORPORATION, a Virginia corporation;
MANTECH SYSTEMS SOLUTIONS CORPORATION, a Virginia corporation formerly known as
Tidewater Consultants, Inc.
MANTECH TEST SYSTEMS, INC., a Virginia corporation;
MANTECH SOLUTIONS & TECHNOLOGIES CORPORATION, a Virginia corporation formerly
known as ManTech Systems Integration Corporation;
MANTECH U.K. SYSTEMS CORPORATION, a Virginia corporation;
REDESMUNDIAL, S.A., a corporation organized and existing under the laws of the
Republic of Panama, formerly known as ManTech International Panama, Inc.;
MANTECH CHINA SYSTEMS CORPORATION, a Virginia corporation;
MANTECH GERMANY SYSTEMS CORPORATION, a Virginia corporation;
MANTECH ADVANCED DEVELOPMENT GROUP, INC., a California corporation;
MANTECH ENTERPRISE SOLUTIONS, INC., a Virginia corporation;
VOBIX CORPORATION, a Virginia corporation
MANTECH SECURITY TECHNOLOGIES CORPORATION, a Virginia corporation
 
WITNESS:
       
By:
 
/s/    JEFFREY S. BROWN        

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By:
 
/s/    MATTHEW P. GALASKI        

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Name:    Jeffrey S. Brown
         
Name:    Matthew P. Galaski
Title:      Vice President

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MASI U.K. LIMITED, a corporation organized and existing under the laws of the
United Kingdom;
MANTECH ADVANCED RECOGNITION LIMITED, a private company registered in England
under the number 885326, formerly known as Advanced Recognition Limited; and
MANTECH DATABASE SERVICES EUROPE LIMITED, a United Kingdom corporation
WITNESS:
       
By:
 
/s/ JEFFREY S. BROWN

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By:
 
/s/ MATTHEW P. GALASKI

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Name:    Jeffrey S. Brown
         
Name:    Matthew P. Galaski
Title:      Attorney-in-Fact

 
 
LENDERS(S):
CITIZENS BANK OF PENNSYLVANIA, a
Pennsylvania state chartered bank
By:
 
/s/ LESLIE A. GRIZZARD

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Name:    Leslie A. Grizzard
Title:      Vice President
PNC BANK, NATIONAL ASSOCIATION, a
national banking association
By:
 
/s/ DOREEN K. CASEY

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Name:    Doreen K. Casey
Title:      Vice President
BRANCH BANKING AND TRUST COMPANY OF VIRGINIA, a Virginia banking corporation
By:
 
/s/ RONALD P. GUDBRANDSEN

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Name:    Ronald P. Gudbrandsen
Title:      Senior Vice President
CHEVY CHASE BANK, F.S.B., a
federal savings bank
By:
 
/s/ ERIC A. PIETRAS

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Name:    Eric A. Pietras
Title:      Vice President

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ADMINISTRATIVE AGENT:
 
CITIZENS BANK OF PENNSYLVANIA, a Pennsylvania state chartered bank
By:
 
/s/    LESLIE A. GRIZZARD        

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Name:    Leslie A. Grizzard
Title:      Vice President

 
DOCUMENTATION AGENT:
 
PNC BANK, NATIONAL ASSOCIATION, a national banking association
By:
 
/s/    DOREEN K. CASEY        

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Name:    Doreen K. Casey
Title:      Vice President

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EXHIBIT 9
 
[Pricing Grid]
 
If the Total Debt to EBITDA Ratio is:
 
less than or equal to 1.25
to 1.00
    
greater than 1.25 to 1.00, but less
than or equal to 2.00 to 1.00
    
greater than 2.00 to 1.00, but less
then or equal to 2.50 to 1.00
    
greater than 2.50 to 1.00, but less
than or equal to 3.00 to 1.00
then the Facility A LIBOR Margin shall be:
 
1.00%
    
1.25%
    
1.50%
    
1.75%
then the Facility A Base Rate Margin shall be:
 
0.00%
    
0.00%
    
0.25%
    
0.05%
then the Facility A Commitment Fee shall be:
 
0.25%
    
0.25%
    
0.325%
    
0.325%
then the Letter of Credit Fee shall be:
 
1.00%
    
1.25%
    
1.50%
    
1.75%