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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

______________________________

FORM 10–K

[X]         ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934

For the fiscal ended December 31, 2003

OR

[   ]         TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934

For the transition period from                  to               

Commission File No. 000-49604

_________________

(Exact name of registrant as specified in its charter)

12015 Lee Jackson Highway, Fairfax, VA 22033
(Address of principal executive offices)

(703) 218-6000
(Registrant's telephone number, including area code)
_________________

Securities registered pursuant to Section 12(b) of the Act:

Securities registered pursuant to Section 12(g) of the Act:
Class A Common Stock, Par Value $0.01 Per Share
_________________

        Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes [ X ] No[   ]

        Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of the registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. [X]

        Indicate by check mark whether the registrant is an accelerated filer (as defined in Rule 12b-2 of the Exchange Act). Yes [ X ] No [  ]

        The aggregate market value of the voting stock held by non-affiliates of the registrant as of June 30, 2003 was approximately $327 million (based on the closing price of $19.19 per share on June 30, 2003, as reported by the Nasdaq National Market). For this computation, the registrant used the total shares as of December 31, 2003 and excluded the market value of all shares of its common stock reported as beneficially owned by named executive officers and directors of the registrant; such exclusion shall not be deemed to constitute an admission that any such person is an "affiliate" of the registrant.

        There were the following numbers of shares outstanding of each of the registrant's classes of common stock as of March 1, 2004: ManTech International Corp. Class A Common Stock, $.01 par value, 17,050,821 shares; ManTech International Corp. Class B Common Stock, $.01 par value,15,075,293 shares.

DOCUMENTS INCORPORATED BY REFERENCE

        Certain portions of the definitive Proxy Statement to be used in connection with the ManTech International Corporation 2004 Annual Meeting of stockholders, to be held on June 23, 2004, and to be mailed to stockholders of record as of April 29, 2004, are incorporated by reference into Items 10, 11, 12, 13 and 14 of Part III of this Annual Report on Form 10-K.

PART I

ITEM 1. BUSINESS

This annual report on Form 10-K contains forward-looking statements that involve substantial risks and uncertainties. You can identify these statements by forward-looking words such as “may,” “will,” “expect,” “intend,” “anticipate,” “believe,” “estimate,” “continue” and other similar words. You should read statements that contain these words carefully because they discuss the Company’s future expectations, make projections of the Company’s future results of operations or financial condition, or state other “forward-looking” information. Examples of such forward-looking statements include the Company’s expected future earnings as suggested by the backlog estimates. The Company believes that it is important to communicate the Company’s future expectations to its investors. However, there may be events in the future that the Company is not able to accurately predict or control. The factors that could cause actual results to differ materially from those anticipated include, but are not limited to the following: failure of government customers to exercise options under contracts; funding decisions on U.S. government projects; government contract procurement (such as bid protest) and termination risks; competitive factors such as pricing pressures and/or competition to hire and retain employees; the ability of the Company to identify, execute or effectively integrate future acquisitions; the ability of the Company to successfully raise additional capital; changes to the tax laws relating to the treatment and deductibility of goodwill or any change in the Company’s effective tax rate; additional costs related to compliance with the Sarbanes-Oxley Act of 2002, any revised Nasdaq listing standards, SEC rule changes or other corporate governance issues; material changes in laws or regulations applicable to the Company’s filings with the SEC; any additional factors listed in the sections captioned “Risks Related to the Company’s Business” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” as well as any cautionary language in this annual report.

Unless the context indicates otherwise, the terms “Company” and “ManTech” as used in Parts I and II, include both ManTech International Corporation and its consolidated subsidiaries. The term “registrant”, as used in Parts I and II, refers to ManTech International Corporation only.

Business Overview

ManTech International Corporation is a leading provider of innovative technologies and solutions for mission-critical national security programs for the intelligence community, the Department of Defense and other U.S. federal government customers. The Company's expertise includes software development, enterprise security architecture, information assurance, intelligence operations support, network and critical infrastructure protection, information technology, communications integration and engineering support. With more than 5,000 highly qualified employees, the Company operates in the United States and over 30 countries worldwide.

The Company was founded in 1968, and largely as a result of successful long-standing relationships with its customers, many of them for 15 to 30 years, and strategic acquisitions, the Company has grown to more than $700 million in revenue for 2003. For the years ended December 31, 2003, 2002 and 2001, approximately 91.2%, 86.6% and 85.1%, respectively, of the Company’s revenues were derived from its customers in the intelligence community and Department of Defense. These customers include the Office of the Secretary of Defense, the Department of State, the Department of Homeland Security, various intelligence agencies, the U.S. Army, Navy, Air Force and Marine Corps and joint military commands. The Company also provides solutions to federal government civilian agencies, including the Department of Justice, NASA, and EPA, as well as to state and local governments and commercial customers.

Items relating to working capital requirements and financial information, including revenues, net income and total assets are included in Item 7—Management's Discussion and Analysis of Financial Condition and Results of Operations, and Item 8—Financial Statements and Supplementary Data.

ManTech’s Solutions and Services

The Company delivers comprehensive information technology, technical, and other services solutions for mission-critical, enterprise information technology and communication systems through three principal areas of service solutions, which are offered separately or in combination to the Company’s customers:

Secure Systems and Infrastructure Solutions 

The Company provides a broad range of solutions to enhance systems and network availability and mission-critical performance of its customers’ hardware, software, computer network and telecommunication assets and operations, including:

Intelligence Operations.    The Company provides services for strategic and tactical intelligence systems, networks and facilities in support of the intelligence community and Department of Defense. To support classified systems and facilities designed to collect, analyze, process and report on signals intelligence, the Company develops and integrates advanced signal processing systems and new signal processing techniques. The Company’s intelligence-related services also include the design, rapid development and prototyping, integration and management of real-time signal processing systems. For example, when an adversary of a customer implements a new communication technique or protocol, the Company provides rapid prototyping and re-engineering services, which enable its customers in the intelligence community to decipher and exploit the communications.

Communication Systems and Infrastructure Support.    The Company designs, develops, modifies and maintains secure communication systems and network infrastructures. This process involves evaluating industry standards, systems architectures and applications in order to recommend and develop technology solutions and integrate them into a customer’s secure communication systems. The Company also procures, installs and tests new voice, data and video communication systems. For example, the Company provides communications, computing, command, control, and intelligence operations and maintenance support to deployed units in combat and post-combat environments. In addition, the Company integrates customers’ classified and unclassified information processing and telecommunication networks without disruption to the command missions.

Safeguarding Critical Infrastructures.    The Company identifies potential foreign and domestic threats, including terrorism, to quantify risk exposure and recommend cost-effective countermeasures to mitigate the risk pursuant to national policies and guidelines. The Company’s capabilities include threat definition and modeling, vulnerability identification, adversary characterization, lethal force defense analysis, security life-cycle planning and management, physical and cyber countermeasure optimization techniques, and operations security assessments. For example, the Company supported the Department of State in assessing threats to critical infrastructure assets. More recently, the Company assisted the Department of State on several programs intended to enhance the protection of its assets against cyber, physical, and technical attacks. Other projects include Homeland Security initiatives in support of agencies within New York and New Jersey.

Information Assurance.    The Company provides comprehensive information assurance programs that assess and implement integrated physical, technical, operations, personnel, computer and communication security requirements, including disaster recovery assessment. The Company’s services include systems security architecture development, test and evaluation, certification and accreditation support, and compliance audits and inspections. The Company offers information assurance support for both classified and unclassified systems and supports the Department of Defense, the intelligence community, the Department of Justice, the Department of State, and other federal agencies. For example, for the Department of State, the Company designs and implements networks and host-based intrusion detection programs that address advanced architectures and provide cyber security threat situational awareness.

Secrecy Management and Program Security Architecture.    The Company provides secrecy management and security infrastructure services for highly classified programs including intelligence operations and military programs. Due to the highly sensitive and classified nature of these programs, opportunities are often limited to a select number of providers that possess the requisite capabilities, qualifications and special access clearances. The Company’s involvement in these programs often begins in the initial or concept phase. The Company identifies critical elements that require protection and then helps design the program to protect those critical elements throughout the program life cycle. The Company provides secrecy and security services including vulnerability assessment, exposure analysis, secrecy architecture design, security policy development and implementation, life cycle acquisition program security, system security engineering, security awareness and training, comprehensive security support services, and technical certification and accreditation services.

Personnel Security Investigative Services.     The Company provides personnel security investigative services for multiple agencies within the intelligence community, Department of Defense and Department of Homeland Security. The Company’s services include conducting initial background investigations for government and government contractor personnel requiring access to classified information or employment in sensitive positions, periodic reinvestigation services and adjudication support.

Information Technology Solutions    

The Company provides a broad range of information technology solutions to its customers, including:

Enterprise Systems Engineering.     The Company provides network architecture planning and implementation services in support of enterprise-wide network infrastructures. Systems engineering services include LAN/WAN architectures, messaging architectures, network management solutions, directory services architecture, and web hosting. These services are provided within secure environments requiring the application of multi-level security policies across the enterprise. For example, the Company developed and implemented a scalable enterprise-wide network and messaging infrastructure accredited to meet Director of Central Intelligence Directive 6/3 for Protection Level 3 in support of an intelligence community customer. Additionally, the Company provides enterprise systems engineering services to include LAN/WAN, messaging, and e-mail infrastructure architecture and implementation to an intelligence community customer.

Systems Design and Integration Services.    The Company provides a wide range of systems design, integration, and implementation support for its government and commercial customers. For example, for the Department of State, the Company is responsible for worldwide modernization of network, server, and desktop systems in both classified and unclassified environments. This IT infrastructure deployment logistics program involves the integration of thousands of components into complete, tested LAN and WAN systems at U.S. Embassies and consulates worldwide. The Company also develops and provides specialized training programs for information systems, including interactive electronic training and technical manuals and enterprise-wide distance learning programs. For example, the Company provides programmatic reporting mechanisms to assess and evaluate a training program for a Department of Defense customer.

Enterprise Application Solutions.    The Company designs, develops, implements, tests, maintains and web enables software applications for its customers’ information systems and network infrastructures. The Company provides comprehensive e-commerce services, including web development efforts that focus on designing and maintaining scalable, interoperable, reliable and portable end-to-end information management solutions. The Company applies these capabilities to critical customer missions requiring multi-layered security within the application in order to improve information sharing and collaboration. For example, the Company developed a state of the art analytic environment that provides access to regional, national, and international information with appropriate security level access controls providing direct operational support to time sensitive counterterrorism activities in support of an intelligence community customer.

The Company’s e-commerce services also include global web-based collaboration, electronic cataloging, automated document imaging and business process re-engineering. For example, as part of the Company’s business process re-engineering services, the Company is working with the Office of the Secretary of Defense to explore and develop new information collaboration and enterprise information integration standards.

The Company designs, develops and implements information technology solutions, which enable different entities to communicate and execute orders and transactions electronically. For example, the Company developed a collaboration and information management solution for the Defense Commissary Agency, which operates over 370 commissaries worldwide.

The Company’s information technology solutions allow end-users insight into and control over supply chain management. The Company has developed and implemented logistics management information systems for the Navy for more than 20 years, including the sophisticated Naval Aviation Logistics Command Management Information System application, which is used on every ship in the Navy and more than 450 shore facilities.

Systems/Network Maintenance Services.    The Company has extensive experience in maintaining a wide range of information management resources for its customers. The Company performs comprehensive systems administration, including 24x7 support for continuous mission operations. For example, for the Army, the Company provides systems administration and help desk functions at a domestic location for a command and management system, as well as help desk functions in an overseas remote location that supports 1,500 users. For this customer, the Company also provides on-site support for the command and management system workstations and networks located throughout countries in Central and South America.

Systems Engineering Solutions 

The Company offers its customers a broad range of systems engineering solutions, including:  

Systems Engineering Services.    The Company performs comprehensive systems engineering services to analyze and develop solutions for customer hardware and software requirements. The Company also evaluates existing systems designs to determine if performance enhancements or cost savings can be derived through the integration of current technologies. For example, for more than 15 years, the Company has provided a broad range of systems engineering services to analyze acoustic data requirements and develop instrumentation to assist the Navy in maintaining or increasing the acoustical advantages of U.S. submarines. As part of these services, the Company has developed a wide range of hull-mounted and towed array sonar systems and acoustic measurement systems. The Company also supports combat identification systems development, and provides systems engineering and technical services that support the design and installation of communication, intelligence, electronic warfare and information systems aboard Navy and Coast Guard ships and at shore-based facilities.

Testing and Evaluation.    The Company tests complex and mission-critical hardware and software systems used by the Army, Navy and NASA—with many of these customer relationships spanning more than three decades. The Company has played key roles in improving the performance, reliability, maintainability, supportability and weapons effectiveness on all Navy in-service rotary and fixed wing platforms, including the F/A-18E/F Super Hornet, and their associated ordnance. The Company is participating in development of plans for testing and evaluating the Joint Strike Fighter and the Multi-Mission Maritime Aircraft. The Company also performs submarine and surface ship acoustical trials to evaluate stealth abilities and to maintain the acoustical credibility of U.S. submarines. The Company has performed acoustic testing for every operational class of Navy combat vessel in use today, both surface and submarine.

Through its work at NASA’s Goddard Space Flight Center, the Company’s space payload test and integration services have supported every in-house earth orbit program since 1971. The Company conducts a broad range of tests, including structural, acoustics, vibration, space simulation and electromagnetic tests, to certify that all flight hardware can withstand the extreme conditions of space flight. The Company has won recognition within Goddard and the NASA community for its test, integration, transportation and launch site support. For example, in 2003 the Company received the highly regarded George M. Low Award as the premier large business services contractor for NASA.

The Company also designs, manufactures and produces automated test technology for military and commercial customers. For example, the Company provides automated testing and maintenance services to the U.S. Air Force’s Low Altitude Navigation and Targeting Infrared for Night weapons system Line Replacement Units.

The Company’s services also include its environmental science, toxicology and ecology research and development services for the EPA. The Company serves the EPA by assessing the human health impacts of a wide variety of airborne and waterborne contaminants, monitoring and predicting exposures, understanding exposure routes in the event of a release of chemicals or biological agents, and modeling migration strategies to predict the movement of airborne and waterborne contaminants. In response to the September 11, 2001 terrorist attacks, the Company was asked by the EPA’s National Exposure Research Laboratory to assemble and calibrate equipment for monitoring pollutants released around the collapsed World Trade Center complex. In less than 48 hours the Company defined monitoring needs and configured equipment in a mobile laboratory that was delivered to the World Trade Center site to collect and evaluate samples of contaminants.

Independent Validation and Verification.    The Company performs tests to certify that new systems or upgraded systems operate in accordance with their design requirements. For example, the Company has performed certification services for aircraft weapon systems in support of U.S. Naval Air Systems Command programs.

ManTech’s Customers 

The Company’s customers include U.S. federal government intelligence, military and civilian agencies, state and local governments and commercial customers. The Company has successful, long-standing relationships with its customers, having supported many of them for 15 to 30 years. Representative customers include:

      •   Intelligence and Department of Defense Customers

                •   Office of the Secretary of Defense

                •   U.S. Army, Navy, Air Force and Marine Corps

                •   Multiple Intelligence and Classified Agencies

                •   Department of State

                •   Department of Homeland Security

      •   Civilian Agencies or Departments

                •   Department of Justice

                •   Department of Commerce

                •   National Aeronautics and Space Administration

                •   Environmental Protection Agency

The Company’s revenues derived from its federal government customers, consisting primarily of customers in the intelligence community and Department of Defense, accounted for approximately 98.1%, 96.3% and 96.2% of its revenues for 2003, 2002 and 2001, respectively. The Company’s federal government customers typically exercise independent contracting authority, and even offices or divisions within an agency or department may directly, or through a prime contractor, use the Company’s services as a separate customer so long as that customer has independent decision-making and contracting authority within its organization. For example, under a blanket purchasing agreement with one of the Army’s contracting agencies, program managers throughout the Army and from other services and defense agencies are able to purchase a wide range of the Company’s solutions. No single customer accounted for 10% or more of the Company’s revenues for the years ended December 31, 2003, 2002 and 2001. As of December 31, 2003, one customer accounted for 10.9% of the Company's accounts receivable. No single customer accounted for 10% or more of the Company’s accounts receivable as of December 31, 2002 and 2001. In addition, there were no sales to any customers within a single country (except for the United States) where the sales accounted for 10% or more of total revenue.

For 2003 and 2002, the Company derived 11.4% and 9.2%, respectively, of its revenues through relationships with prime contractors, who contract directly with the customer and subcontract to the Company.

Foreign Operations 

The Company treats sales to U.S. government customers as sales within the United States, regardless of where the services are performed. The percentages of total revenues by geographic customer for the years ended December 31, 2003, 2002 and 2001, were as follows:

			Year Ended December 31,
			2003			2002			2001
United States				99.4	%		99.4	%		98.6	%
International				0.6	%		0.6	%		1.4	%
				100.0	%		100.0	%		100.0	%

Other information relating to the Company's foreign operations is provided in Note 4 to the Company's consolidated financial statements.

Backlog 

At December 31, 2003, the Company’s backlog was $1.5 billion, of which $375 million was funded backlog. At December 31, 2002, the Company’s backlog was $1.4 billion, of which $197 million was funded backlog. Backlog and funded backlog represent estimates that the Company calculates on the bases described below. The Company estimates that approximately 88% of its funded backlog at December 31, 2003 will be recognized as revenues prior to December 31, 2004.

The Company defines backlog as its estimate of the remaining future revenues from existing signed contracts, assuming the exercise of all options relating to such contracts and including executed task orders issued under GSA schedule contracts. This includes an estimate of revenues for solutions that the Company believes it will be asked to provide in the future under the terms of executed multiple-award contracts in which the Company is not the sole provider; meaning that the customer could turn to companies other than ManTech to fulfill the contract. It also includes an estimate of revenues from indefinite delivery, indefinite quantity contracts, which specify a maximum, but only a token minimum, amount of goods or services that may be provided under the contract. Backlog does not include the value for contracts where the Company has been given permission by the customer to begin or continue working, but where a formal contract or contract extension has not yet been signed.

The Company defines funded backlog to be the portion of backlog for which funding currently is appropriated and allocated to the contract by the purchasing agency or otherwise authorized for payment by the customer upon completion of a specified portion of work. The Company’s funded backlog does not include the full value of its contracts, because Congress often appropriates funds for a particular program or contract on a yearly or quarterly basis, even though the contract may call for performance that is expected to take a number of years.

Changes in the amount of the Company’s backlog and funded backlog result from potential future revenues from the execution of new contracts or the extension of existing contracts, reductions from contracts that end or are not renewed, reductions from the early termination of contracts, and adjustments to estimates of previously included contracts. Changes in the amount of the Company’s funded backlog also are affected by the funding cycles of the government. These estimates of future revenues are necessarily inexact and the receipt and timing of any of these revenues is subject to various contingencies, many of which are beyond the Company’s control. The actual accrual of revenues on programs included in backlog and funded backlog may never occur or may change because a program schedule could change, a program could be canceled, a contract could be modified or canceled, an option that the Company has assumed would be exercised is not exercised, or initial estimates regarding the level of solutions that the Company may provide could prove to be wrong. For the same reason, the Company believes that period-to-period comparisons of backlog and funded backlog are not necessarily indicative of future revenues that it may receive.

Employees 

As of December 31, 2003, the Company had approximately 5,000 employees. The Company believes it is successful in retaining its employees by offering competitive salary structures, attractive incentive compensation and benefits programs, career growth opportunities, flexible work assignments and the opportunity to perform mission-critical services, often in classified environments. Whenever possible, the Company’s current employees are offered an opportunity to respond to new job opportunities before the Company pursues external recruiting. The Company considers its relations with employees to be good.

Approximately 200 of the Company’s employees, all of whom are located at NASA’s Goddard Space Flight Center, are represented by the International Brotherhood of Electrical Workers union under a collective bargaining agreement. The Company has not experienced any work stoppage or strike by these employees and believes its relations with the union and its members to be good.

Patents, Trademarks, Trade Secrets and Licenses 

The Company owns two patents in the United States and two patents in Canada. While the Company believes these patents are valid, it does not consider its business to be dependent on the protection of these patents in any material way.

The Company presently owns 20 registered trademarks and service marks in the U.S. In addition, the Company has three registered copyrights. Because most of the Company's business involves providing services to federal government customers, the Company's operations generally are not substantially dependent upon obtaining and/or maintaining copyright or trademark protections, although its operations make use of such protections.

The Company licenses third party software, data and products. With the exception of the Company's Enterprise Resource Planning software, the Company's operations are not generally dependent on such licenses in any material way.

The Company maintains a number of trade secrets that contribute to its success and competitive distinction and endeavors to accord such trade secrets protection adequate to ensure their continuing availability to the Company. While retaining protection of its trade secrets and vital confidential information is important, the Company is not materially dependent on maintenance of any specific trade secret or group of trade secrets.

The Company also enters into confidentiality and intellectual property agreements with all of its employees requiring them to disclose any inventions created during employment, conveying all rights to inventions to the Company, and restricting the distribution of proprietary or confidential information.

Seasonality and Cyclicality 

The Company believes that its business may be subject to seasonal fluctuations. The federal government’s fiscal year end can trigger increased purchase requests from customers for equipment and materials as customers strive to fully utilize all remaining budget authority. Any increased purchase requests the Company receives as a result of the federal government’s fiscal year end would most likely serve to increase the Company’s fourth quarter revenues but will generally decrease profit margins for that quarter, as these activities typically are not as profitable as the Company’s normal service offerings. In addition, expenditures by the Company’s customers tend to vary in cycles that reflect overall economic conditions as well as budgeting and buying patterns. The Company’s revenue has in the past been, and may in the future be, materially affected by a decline in the defense or other intelligence budgets or in the economy in general. Such future declines could alter the Company’s current or prospective customers’ spending priorities and budget cycles, or extend the Company’s sales cycle.

Competition 

The Company’s key competitors currently include divisions of large defense contractors such as BAE SYSTEMS, plc, The Boeing Company, Booz Allen & Hamilton, Computer Sciences Corporation, General Dynamics, Lockheed Martin Corporation, Northrop Grumman Corporation, and Science Applications International Corporation— as well as a number of smaller U.S. government contractors with specialized capabilities. Because of the diverse requirements of U.S. government customers and the highly competitive nature of large procurements, corporations frequently form teams to pursue contract opportunities. The same companies listed as competitors will, at times, team with us or subcontract to us in the pursuit of new business. The Company believes that the major competitive factors in its market are distinctive technical competencies, intelligence and military work experience, price of services, successful past contract performance, reputation for quality and key management with domain expertise.

2003 Acquisitions 

Integrated Data Systems Corporation—On February 28, 2003, the Company acquired 100 percent of the outstanding common shares of Integrated Data Systems (IDS) for a cash purchase price of $62.7 million, net of cash on hand. The cash purchase price excludes $1.0 million of acquisition-related costs and is subject to an earnout provision. Founded in 1990, IDS delivers technology solutions and products in four core areas: software development, systems engineering/networking, information assurance, and government acquisition/procurement support software. IDS has developed secure, advanced messaging and collaboration applications and solutions in support of a wide variety of national security networks and systems. IDS is also one of Microsoft's leading certified partners supporting U.S. Government classified intelligence community programs. Many of the IDS employees have military or intelligence experience.

MSM Security Services, Inc.—On March 5, 2003, the Company acquired 100 percent of the outstanding common shares of MSM Security Services, Inc. (MSM), a Maryland-based provider of Personnel Security Investigation (PSI) services to the U.S. Government. The cash purchase price was approximately $4.9 million, of which $2.2 million in cash was paid to MSM shareholders and $2.7 million was used to repay existing MSM debt. The cash purchase price excludes $0.2 million of acquisition-related costs and is subject to an earnout provision. MSM specializes in PSI services for the U.S. Government, having completed over 250,000 background investigations since its founding in 1978. MSM has active investigation contracts to support the U.S. Customs Service, Defense Security Services (DSS), the intelligence community, and other federal government agencies.

Recent Developments 

Acquisition of Certain Assets from Affiliated Computer Services, Inc.—  In furtherance of the Company's strategic initiative to expand and enhance its support of the U.S. Air Force, on February 8, 2004, the Company acquired certain assets from Affiliated Computer Services, Inc. (ACS), a provider of systems engineering, network administration, program management, and communications systems support to Department of Defense customers. The assets acquired from ACS included contracts providing support to the U.S. Air Force Electronic Systems Center’s Information Technology Services Program. Services provided through these contracts include information technology services such as program management, systems engineering, network engineering and administration, test and evaluation, and data management.

Company Information Available on the Internet 

The Company’s internet address is www.mantech.com. The Company makes available free of charge through its internet site, via a hyperlink to the U.S. Securities and Exchange Commission EDGAR filings website, its annual reports on Form 10-K; quarterly reports on Form 10-Q; current reports on Form 8-K; and any amendments to those reports filed or furnished pursuant to the Securities Exchange Act of 1934, or the “Exchange Act,” as soon as reasonably practicable after such material is electronically filed with, or furnished to, the U.S. Securities and Exchange Commission.

Risks Related to The Company’s Business 

The Company is dependent on contracts with the U.S. Federal Government for substantially all of its revenues.

The Company expects that federal government contracts will continue to be the primary source of its revenues for the foreseeable future. The Company’s revenues derived from its federal government customers, consisting primarily of customers in the intelligence community and Department of Defense, accounted for approximately 98.1%, 96.3% and 96.2% of its revenues for 2003, 2002 and 2001, respectively. If the Company was suspended or debarred from contracting with the federal government generally, or any significant agency in the intelligence community or Department of Defense, if the Company’s reputation or relationship with government agencies were impaired, or if the government otherwise ceased doing business with the Company or significantly decreased the amount of business it does with the Company, the Company’s business, prospects, financial condition or operating results could be materially harmed.

Federal government spending priorities may change in a manner adverse to the Company’s business.  

The Company’s business depends upon continued federal government expenditures on intelligence, defense and other programs that the Company supports. The overall U.S. defense budget declined from time to time in the late 1980s and the early 1990s. While spending authorizations for intelligence and defense-related programs by the government have increased in recent years, and in particular after the September 11, 2001 terrorist attacks, future levels of expenditures and authorizations for those programs may decrease, remain constant or shift to programs in areas where the Company does not currently provide services. A significant decline in government expenditures, or a shift of expenditures away from programs that the Company supports, could adversely affect the Company’s business, prospects, financial condition or operating results.

Federal government contracts contain provisions that are unfavorable to the Company.  

Federal government contracts contain provisions and are subject to laws and regulations that give the government rights and remedies not typically found in commercial contracts, including allowing the government to:

      •   Terminate existing contracts for convenience, as well as for default;
      •   Reduce or modify contracts or subcontracts;
      •   Cancel multi-year contracts and related orders if funds for contract performance for any subsequent
                    year become unavailable;
      •   Decline to exercise an option to renew a multi-year contract;
      •   Claim rights in products and systems produced by the Company;
      •   Suspend or debar the Company from doing business with the federal government or with a governmental agency; and
      •   Control or prohibit the export of the Company's products.

If the government terminates a contract for convenience, the Company may recover only its incurred or committed costs, settlement expenses and profit on work completed prior to the termination. If the government terminates a contract for default, the Company may not recover even those amounts, and instead may be liable for excess costs incurred by the government in procuring undelivered items and services from another source. As is common with government contractors, some of the Company’s contracts have had or are currently experiencing performance issues. The Company has received and may in the future receive show cause or cure notices under contracts that, if not addressed to the government’s satisfaction, could give the government the right to terminate those contracts for default or to cease procuring the Company’s services under those contracts in the future.

The Company must comply with complex procurement laws and regulations.  

The Company must comply with and is affected by laws and regulations relating to the formation, administration and performance of federal government contracts, which affect how it does business with its customers and may impose added costs on its business. For example, the Company is subject to the Federal Acquisition Regulations and all supplements, which comprehensively regulate the formation, administration and performance of federal government contracts, and to the Truth in Negotiations Act, which requires certification and disclosure of cost and pricing data in connection with contract negotiations. The Company’s performance under its federal government contracts and its compliance with the terms of those contracts are subject to periodic review by the Company’s contracting agency customers. In addition, the Company routinely conducts its own internal reviews relating to its performance under the Company’s federal government contracts and its compliance with their terms. From time to time, such internal reviews and reviews by government contracting agencies result in discoveries by the Company or by the Company’s government contract customers of occurrences of non-compliance by the Company with the terms of its contracts. If a government review or investigation uncovers improper or illegal activities, the Company may be subject to civil or criminal penalties or administrative sanctions, including termination of contracts, forfeiture of profits, suspension of payments, fines and suspension or debarment from doing business with federal government agencies, and may suffer reputational harm which could impair the Company’s ability to win awards of contracts in the future or receive renewals of existing contracts. If the Company is subject to civil and criminal penalties and administrative sanctions or suffers reputational harm, its business, prospects, financial condition or operating results could be materially harmed. From time to time in the past, the Company has been subject to government investigations. In addition, the Company is subject to industrial security regulations of Department of Defense and other federal agencies that are designed to safeguard against foreigners’ access to classified information. If the Company were to come under foreign ownership, control or influence, its federal government customers could terminate or decide not to renew its contracts, and it could impair the Company’s ability to obtain new contracts. The government may reform its procurement practices or adopt new contracting rules and regulations, including cost accounting standards, that could be costly to satisfy or that could impair the Company’s ability to obtain new contracts.

The Company faces competition from other firms, many of which have substantially greater resources.

The Company operates in highly competitive markets and generally encounters intense competition to win contracts. The Company competes with many other firms, ranging from small, specialized firms to large, diversified firms, many of which have substantially greater financial, management and marketing resources than the Company. The Company’s competitors may be able to provide the Company’s customers with different or greater capabilities or benefits than the Company can provide in areas such as technical qualifications, past contract performance, geographic presence, price and the availability of key professional personnel. The Company’s failure to compete effectively with respect to any of these or other factors could have a material adverse effect on its business, prospects, financial condition or operating results. In addition, the Company’s competitors also have established or may establish relationships among themselves or with third parties to increase their ability to address the Company’s customers’ needs. Accordingly, it is possible that new competitors or alliances among competitors may emerge.

The Company derives significant revenues from contracts awarded through a competitive bidding process.

The Company derives significant revenues from federal government contracts that were awarded through a competitive bidding process. For example, after giving effect to the Company’s recent acquisitions, in 2003, 2002 and 2001, eight, nine and nine, respectively, out of the Company’s ten largest contracts, in terms of revenues, were awarded through a competitive bidding process. Much of the business that the Company expects to seek in the foreseeable future likely will be awarded through competitive bidding. Competitive bidding presents a number of risks, including the:

      •  Need to bid on programs in advance of the completion of their design, which may result in unforeseen technological
                  difficulties and cost overruns;
      •  Substantial cost and managerial time and effort that the Company spends to prepare bids and proposals
                  for contracts that may not be awarded to the Company;
      •  Need to accurately estimate the resources and cost structure that will be required to service any contract the Company is awarded; and
      •  Expense and delay that may arise if the Company's competitors protest or challenge contract awards made
                  to the Company pursuant to competitive bidding, and the risk that any such protest or challenge could result in the resubmission
                 of bids on modified specifications, or in termination, reduction or modification of the awarded contract.

The Company may not be provided the opportunity in the near term to bid on contracts that are held by other companies and are scheduled to expire if the government extends the existing contract. If the Company is unable to win particular contracts that are awarded through the competitive bidding process, it may not be able to operate in the market for services that are provided under those contracts for a number of years. If the Company is unable to consistently win new contract awards over any extended period, its business and prospects will be adversely affected.

Failure to maintain strong relationships with other contractors could result in a decline in the Company’s revenues.

For the years ended December 31, 2003 and 2002, the Company derived 11.4% and 9.2%, respectively, of its revenues from contracts in which it acted as a subcontractor to other contractors or to joint ventures which the Company and other contractors have formed to bid on and execute particular contracts or programs. The Company expects to continue to depend on relationships with other contractors for a portion of its revenues in the foreseeable future. The Company’s business, prospects, financial condition or operating results could be adversely affected if other contractors eliminate or reduce their subcontracts or joint venture relationships with the Company, either because they choose to establish relationships with the Company’s competitors or because they choose to directly offer services that compete with the Company’s business, or if the government terminates or reduces these other contractors’ programs or does not award them new contracts.

The Company may not receive the full amount authorized under contracts that it has entered into and may not accurately estimate its backlog.

The maximum contract value specified under a government contract that the Company enters into is not necessarily indicative of revenues that it will realize under that contract. For example, the Company derives some of its revenues from government contracts in which the Company is not the sole provider, meaning that the government could turn to other companies to fulfill the contract, and from indefinite delivery, indefinite quantity contracts, which specify a maximum but only a token minimum amount of goods or services that may be provided under the contract. In addition, Congress often appropriates funds for a particular program on a yearly basis, even though the contract may call for performance that is expected to take a number of years. As a result, contracts typically are only partially funded at any point during their term, and all or some of the work to be performed under the contracts may remain unfunded unless and until Congress makes subsequent appropriations and the procuring agency allocates funding to the contract. Nevertheless, the Company looks at these contract values, including values based on the assumed exercise of options relating to these contracts, in estimating the amount of the Company’s backlog. Because the Company may not receive the full amount it expects under a contract, the Company may not accurately estimate its backlog. Similarly, in recent years the Company has been deriving an increasing percentage of its revenues under GSA schedule contracts. GSA schedule contracts are procurement vehicles under which government agencies may, but are not required to, purchase professional services or products. Estimates of future revenues included in backlog are not necessarily precise and the receipt and timing of any of these revenues are subject to various contingencies, many of which are beyond the Company’s control. For a discussion of these contingencies see “Item 1—Business: Backlog.” The actual accrual of revenues on programs included in backlog and GSA schedule contract value may never occur or may change.

The Company may not accurately estimate the expenses, time and resources necessary to satisfy its contractual obligations.

The Company enters into three types of federal government contracts for its services: cost-plus, time-and-materials and fixed-price. For the year ended December 31, 2003, the Company derived 34.2%, 50.3% and 15.5% of its revenues from cost-plus, time-and-materials and fixed-price contracts, respectively. For 2002, the revenues were 38.5%, 45.1% and 16.4%, respectively. Under cost-plus contracts, the Company is reimbursed for allowable costs and paid a fee, which may be fixed or performance-based. To the extent that the actual costs incurred in performing a cost-plus contract are within the contract ceiling and allowable under the terms of the contract and applicable regulations, the Company is entitled to reimbursement of its costs, plus a profit. However, if the Company’s costs exceed the ceiling or are not allowable under the terms of the contract or applicable regulations, it may not be able to recover those costs. Under time-and-materials contracts, the Company is reimbursed for labor at negotiated hourly billing rates and for certain expenses. The Company assumes financial risk on time-and-material contracts because it assumes the risk of performing those contracts at negotiated hourly rates. Under fixed-price contracts, the Company performs specific tasks for a fixed price. Compared to cost-plus contracts, fixed-price contracts generally offer higher margin opportunities, but involve greater financial risk because the Company bears the impact of cost overruns and receives the benefit of cost savings. The Company’s profits could be adversely affected if its costs under any of these contracts exceed the assumptions it used in bidding for the contract. Although the Company believes that it has recorded adequate provisions in its consolidated financial statements for losses on its contracts, as required under U.S. generally accepted accounting principles, the Company’s contract loss provisions may not be adequate to cover all actual losses that the Company may incur in the future.

The Company’s contracts are subject to audits and cost adjustments by the federal government.

The federal government audits and reviews the Company’s performance on contracts, pricing practices, cost structure and compliance with applicable laws, regulations and standards. Like most large government contractors, the Company’s contract costs are audited and reviewed on a continual basis. Although audits have been completed on the Company’s incurred contract costs through 2001, audits for costs incurred or work performed after 2001 remain ongoing and, for much of the Company’s work in recent years, have not yet commenced. In addition, non-audit reviews by the government may still be conducted on all the Company’s government contracts. An audit of the Company’s work, including an audit of work performed by companies the Company has acquired or may acquire, could result in a substantial adjustment to the Company’s revenues because any costs found to be improperly allocated to a specific contract will not be reimbursed, and revenues the Company has already recognized may need to be refunded. If a government audit uncovers improper or illegal activities, the Company may be subject to civil and criminal penalties and administrative sanctions, including termination of contracts, forfeiture of profits, suspension of payments, fines and suspension or debarment from doing business with federal government agencies. In addition, the Company could suffer serious harm to its reputation if allegations of impropriety were made against it.

The Company may be liable for systems and service failures.  

The Company creates, implements and maintains information technology and technical services solutions that are often critical to its customers’ operations, including those of federal, state and local governments. The Company has experienced and may in the future experience some systems and service failures, schedule or delivery delays and other problems in connection with its work. If the Company’s solutions, services, products or other applications have significant defects or errors, are subject to delivery delays or fail to meet the Company’s customers’ expectations, the Company may:

      •   Lose revenues due to adverse customer reaction;
      •   Be required to provide additional services to a customer at no charge.
      •   Receive negative publicity, which could damage the Company's reputation and adversely affects its
                   ability to attract or retain customers; or
      •  Suffer claims for substantial damages against the Company.

In addition to any costs resulting from product warranties, contract performance or required corrective action, these failures may result in increased costs or loss of revenues if they result in customers postponing subsequently scheduled work or canceling or failing to renew contracts.

While many of the Company’s contracts with the federal government limit the Company’s liability for damages that may arise from negligence in rendering services to the Company’s customers, the Company cannot be sure that these contractual provisions will protect it from liability for damages if it is sued. Furthermore, the Company’s errors and omissions and product liability insurance coverage may not continue to be available on reasonable terms or in sufficient amounts to cover one or more large claims, or the insurer may disclaim coverage as to some types of future claims. The successful assertion of any large claim against the Company could seriously harm the Company’s business. Even if not successful, these claims could result in significant legal and other costs and may be a distraction to the Company’s management. In certain new business areas, including in the area of homeland security, the Company may not be able to obtain sufficient indemnification or insurance and may decide not to accept or solicit business in these areas.

Security breaches in classified government systems could adversely affect the Company’s business.

Many of the programs the Company supports and systems it develops, installs and maintains involve managing and protecting information involved in intelligence, national security and other classified government functions. A security breach in one of these systems could cause serious harm to the Company’s business, damage its reputation and prevent the Company from being eligible for further work on critical classified systems for federal government customers. Losses that the Company could incur from such a security breach could exceed the policy limits that it has for errors and omissions or product liability insurance.

The Company’s quarterly operating results may vary widely.  

The Company’s quarterly revenues and operating results may fluctuate significantly in the future. A number of factors cause the Company’s revenues, cash flow and operating results to vary from quarter to quarter, including:

      •   Fluctuations in revenues earned on fixed-price contracts and contracts with a performance-based fee structure;
      •   Commencement, completion or termination of contracts during any particular quarter;
      •   Variable purchasing patterns under government GSA schedule contracts, blanket purchase agreements
                   and indefinite delivery, indefinite quantity contracts;
      •   Changes in Presidential administrations and senior federal government officials that affect the timing of technology
                     procurement;
      •   Changes in policy or budgetary measures that adversely affect government contracts in general;
      •   Acquisitions of other technology service providers; and
      •   Increased purchase requests from customers for equipment and materials in connection with the federal government's
                   fiscal year end, which may affect the Company's fourth quarter operating results.

Changes in the volume of services provided under existing contracts and the number of contracts commenced, completed or terminated during any quarter may cause significant variations in the Company’s cash flow from operations because a relatively large amount of the Company’s expenses are fixed. The Company incurs significant operating expenses during the start-up and early stages of large contracts and typically does not receive corresponding payments in that same quarter. The Company may also incur significant or unanticipated expenses when contracts expire or are terminated or are not renewed. In addition, payments due to the Company from government agencies may be delayed due to billing cycles or as a result of failures of governmental budgets to gain Congressional and Administration approval in a timely manner.

The Company’s senior management and advisory board are important to its customer relationships.  

The Company believes that its success depends in part on the continued contributions of its co-founder, Chairman of the Board of Directors, Chief Executive Officer and President, George J. Pedersen; its Executive Vice President and Chief Financial Officer, Ronald R. Spoehel; and other members of its senior management and advisory board. The Company relies on its executive officers and senior management to generate business and execute programs successfully. In addition, the relationships and reputation that members of the Company’s management team and advisory board have established and maintain with government and military personnel contribute to the Company’s ability to maintain good customer relations and to identify new business opportunities. While the Company has employment agreements with some of its executive officers, these agreements do not prevent them from terminating their employment. The loss of Mr. Pedersen, Mr. Spoehel or any other senior management or advisory board member could impair the Company’s ability to identify and secure new contracts and otherwise to manage the Company’s business.

The Company must recruit and retain skilled employees to succeed in its labor-intensive business.

The Company believes that an integral part of its success is its ability to provide employees who have advanced information technology and technical services skills and who work well with the Company’s customers in a government or defense-related environment. These employees are in great demand and are likely to remain a limited resource in the foreseeable future. If the Company is unable to recruit and retain a sufficient number of these employees, its ability to maintain and grow its business could be negatively impacted. In addition, some of the Company’s contracts contain provisions requiring it to commit to staff a program with certain personnel the customer considers key to the Company’s successful performance under the contract. In the event the Company is unable to provide these key personnel or acceptable substitutions, the customer may terminate the contract, and the Company may not be able to recover its costs in the event the contract is terminated.

The Company’s business is dependent upon obtaining and maintaining required security clearances.

Many of the Company’s federal government contracts require its employees to maintain various levels of security clearances, and the Company is required to maintain certain facility security clearances complying with Department of Defense requirements. Obtaining and maintaining security clearances for employees involves a lengthy process, and it is difficult to identify, recruit and retain employees who already hold security clearances. If the Company’s employees are unable to obtain or retain security clearances or if the Company’s employees who hold security clearances terminate employment with the Company, the customer whose work requires cleared employees could terminate the contract or decide not to renew it upon its expiration. In addition, the Company expects that many of the contracts on which it will bid will require the Company to demonstrate its ability to obtain facility security clearances and perform work with employees who hold specified types of security clearances. To the extent the Company is not able to obtain facility security clearances or engage employees with the required security clearances for a particular contract, it may not be able to bid on or win new contracts, or effectively rebid on expiring contracts.

If the Company is unable to manage its growth, its business could be adversely affected.  

Sustaining the Company’s growth has placed significant demands on its management, as well as on its administrative, operational and financial resources. For the Company to continue to manage its growth, it must continue to improve its operational, financial and management information systems and expand, motivate and manage its workforce. If it is unable to successfully manage its growth without compromising its quality of service and its profit margins, or if new systems that the Company implements to assist in managing its growth do not produce the expected benefits, the Company’s business, prospects, financial condition or operating results could be adversely affected.

The Company may undertake acquisitions that could increase its costs or liabilities or be disruptive.

One of the Company’s key operating strategies is to selectively pursue acquisitions. The Company has made a number of acquisitions in the past, currently is evaluating a number of potential acquisition opportunities, and will consider other acquisitions in the future. The Company may not be able to consummate the acquisitions it currently is evaluating on favorable terms or at all. The Company may not be able to locate other suitable acquisition candidates at prices it considers appropriate or finance acquisitions on terms that are satisfactory to the Company. If the Company does identify an appropriate acquisition candidate, it may not be able to successfully negotiate the terms of an acquisition, finance the acquisition or, if the acquisition occurs, integrate the acquired business into its existing business. Negotiations of potential acquisitions and the integration of acquired business operations could disrupt the Company’s business by diverting management away from day-to-day operations. Acquisitions of businesses or other material operations may require additional debt or equity financing, resulting in additional leverage or dilution of ownership. The difficulties of integration may be increased by the necessity of coordinating geographically dispersed organizations, integrating personnel with disparate business backgrounds and combining different corporate cultures. The Company also may not realize cost efficiencies or synergies that it anticipated when selecting its acquisition candidates. In addition, the Company may need to record write-downs from future impairments of intangible assets, which could reduce its future reported earnings. At times, acquisition candidates may have liabilities or adverse operating issues that the Company fails to discover through due diligence prior to the acquisition.

The Company may be exposed to liabilities or losses from operations that it has discontinued.  

In September 2001, the Company decided to dispose of five of its businesses either by selling them or by winding down their operations. For more information on these discontinued operations, please see “Item 7—Management’s Discussion and Analysis of Financial Condition and Results of Operations: Discontinued Operations” and note 16 to the Company’s consolidated financial statements. The Company’s consolidated financial statements reflect, under the heading “Discontinued Operations”, the Company’s estimate of the net losses it expected from these operations through the date it estimated they would be disposed, and all losses expected to be realized upon the disposal of these operations.

Subsequent to the disposal of these businesses, the Company may continue to be exposed to some liabilities arising from their prior operations. For example, the Company recently settled a lawsuit alleging that it caused or contributed to soil and groundwater contamination. For more information on this lawsuit, see “Item 3—Legal Proceedings.” The operations from this subsidiary, the Company’s former environmental consulting and remediation business, may not have been conducted in compliance with environmental laws, exposing the Company to further liability and damages for the costs of investigating and cleaning up sites of spills, disposals or other releases of hazardous materials. The Company cannot assure you that its liability in these matters, or any other environmental liabilities that arise in the future, will not exceed its resources or will be covered by insurance. Even though the Company has disposed of this and the other four discontinued operations, it likely will remain liable for any costs, damages or other liabilities imposed upon them that result from or relate to their operations prior to the disposition.

The Company may be affected by intellectual property infringement claims.  

The Company’s business operations rely extensively on procuring and deploying intellectual property. The Company’s employees develop some of the software solutions and other forms of intellectual property that the Company uses to provide information technology solutions to its customers, but it also licenses technology from primary vendors. Typically, under federal government contracts, the Company’s government customers may claim rights in the intellectual property the Company develops, making it impossible for the Company to prevent their future use of the Company’s intellectual property. The Company is and may in the future be subject to claims from its employees or third parties who assert that software solutions and other forms of intellectual property that the Company used in delivering services and solutions to the Company’s customers infringe upon intellectual property rights of such employees or third parties. If the Company’s vendors, the Company’s employees or third parties assert claims that the Company or the Company’s customers are infringing on their intellectual property, the Company could incur substantial costs to defend these claims. In addition, if any of these infringement claims are ultimately successful, the Company could be required to:

      •   Cease selling or using products or services that incorporate the challenged software or technology;
      •   Obtain a license or additional licenses; or
      •   Redesign the Company's products and services that rely on the challenged software or technology.

Covenants in the Company’s credit facility may restrict the Company’s financial and operating flexibility.

The Company’s credit facility contains covenants that limit or restrict, among other things: the Company’s ability to borrow money outside of the amounts committed under the credit facility; make investments in certain of its subsidiaries or in other entities not listed as borrowers under the credit facility; make other restricted payments; pay dividends on the Company’s common stock; sell or otherwise dispose of assets other than in the ordinary course of business; merge or consolidate; or make acquisitions— in each case without the prior written consent of the Company’s lenders. The Company’s credit facility also requires the Company to maintain specified financial covenants relating to asset coverage, fixed charge coverage, and debt coverage. The Company’s ability to satisfy these financial ratios can be affected by events beyond its control, and the Company cannot assure you that it will meet these ratios. Default under the Company’s credit facility could allow the lenders to declare all amounts outstanding to be immediately due and payable. The Company has pledged substantially all of its assets, including the stock of certain of the Company’s subsidiaries, to secure the debt under the Company’s credit facility. If the lenders declare amounts outstanding under the credit facility to be due, the lenders could proceed against those assets. Any event of default, therefore, could have a material adverse effect on the Company’s business if the creditors determine to exercise their rights. The Company also may incur future debt obligations that might subject the Company to restrictive covenants that could affect its financial and operational flexibility, restrict the Company’s ability to pay dividends on its common stock or subject the Company to other events of default.

From time to time the Company may require consents or waivers from its lenders to permit actions that are prohibited by its credit facility. If in the future the Company’s lenders refuse to provide waivers of the Company’s credit facility’s restrictive covenants and/or financial ratios, then the Company may be in default under its credit facility, and the Company may be prohibited from undertaking actions that are necessary or desirable to maintain and expand its business.

The Company’s employees or subcontractors may engage in misconduct or other improper activities.

The Company is exposed to the risk that employee fraud or other misconduct could occur. In addition, from time to time the Company enters into arrangements with subcontractors and joint venture partners to bid on and execute particular contracts or programs and it is exposed to the risk that fraud or other misconduct or improper activities by such persons may occur. Misconduct by employees, subcontractors or joint venture partners could include intentional failures to comply with federal laws, federal government procurement regulations or the terms of contracts that the Company receives, or failures to disclose unauthorized or unsuccessful activities to the Company. These actions could lead to civil, criminal, and/or administrative penalties (including fines, imprisonment, suspension and/or debarment from performing federal government contracts) and reputational harm. Misconduct by the Company’s employees, subcontractors or joint venture partners could also involve the improper collection, handling or use of the Company’s customers’ sensitive or classified information, which could result in regulatory sanctions and serious harm to the Company’s reputation. The Company has from time to time experienced occurrences of misconduct and improper activities by its employees, subcontractors or joint venture partners. It is not always possible to deter misconduct by the Company’s employees, subcontractors or joint venture partners. Under certain circumstances, conduct of the Company’s employees can be imputed to the ManTech subsidiary for which they work and the conduct of ManTech subsidiaries can be imputed to ManTech International Corporation with the consequence that ManTech International Corporation could be subject to sanctions and penalties for actions taken by its subsidiaries and/or the employees of its subsidiaries. The precautions the Company takes to prevent and detect such activity may not be effective in controlling unknown or unmanaged risks or losses and such misconduct by employees, subcontractors or joint venture partners could result in serious civil or criminal penalties or sanctions or reputational harm to the Company.

ITEM 2. PROPERTIES

All of the Company’s facilities are leased in close proximity to its customers. Since 1992, the Company has leased its corporate headquarters office building in Fairfax, Virginia. The lease on this facility expires in March 2010. As of December 31, 2003, the Company leased 17 additional operating facilities throughout the metropolitan Washington, D.C. area and 38 facilities in other parts of the United States. The Company also has employees working at customer sites throughout the United States and in other countries.

ITEM 3. LEGAL PROCEEDINGS

The Company is subject to certain legal proceedings, government audits, investigations, claims and disputes that arise in the ordinary course of its business. Like most large government defense contractors, the Company’s contract costs are audited and reviewed on a continual basis by an in-house staff of auditors from the Defense Contract Auditing Agency. In addition to these routine audits, the Company is subject from time to time to audits and investigations by other agencies of the federal government. These audits and investigations are conducted to determine if the Company’s performance and administration of its government contracts are compliant with contractual requirements and applicable federal statutes and regulations. An audit or investigation may result in a finding that the Company’s performance and administration is compliant or, alternatively, may result in the government initiating proceedings against the Company or its employees, including administrative proceedings seeking repayment of monies, suspension and/or debarment from doing business with the federal government or a particular agency, or civil or criminal proceedings seeking penalties and/or fines. Audits and investigations conducted by the federal government frequently span several years.

On June 1, 2001, CHBP, Ltd., a customer of ManTech Environmental Corporation, the Company’s former environmental consulting and remediation business, filed suit in the 33rd District Court of Harris County Texas against a number of parties alleging initially a total of $2 million in damages from soil and groundwater contamination caused by the defendants while occupying a commercial business center owned by CHBP, Ltd. As set forth in the most recent pleadings in this case, the total damages alleged were increased to $10 million. On November 15, 2001, some of the defendants in this suit filed a third-party complaint against ManTech Environmental Corporation, alleging that services provided by the Company’s subsidiary to CHBP, Ltd. caused or contributed to the alleged contamination of the property. On April 30, 2002, CHBP, Ltd. amended their suit to assert a direct claim against ManTech Environmental Corporation. In November 2003, the Company reached a mediated settlement in this case, which was covered by pre-existing reserves and/or insurance proceeds. The Company decided to discontinue the operation of the commercial business performed by ManTech Environmental Corporation.

Although the Company cannot predict the outcomes of the legal proceedings, government audits, investigations, claims and disputes to which it is currently subject, based on the information now available to it, the Company does not believe that the ultimate resolution of these matters, either individually or in the aggregate, will have a material adverse effect on its business, prospects, financial condition or operating results.

ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

No matters were submitted to a vote of security holders during the fourth quarter of the year ended December 31, 2003.  

PART II

ITEM 5. MARKET FOR REGISTRANT'S COMMON STOCK AND RELATED STOCKHOLDER MATTERS

Market Information 

The Company’s Class A common stock has been quoted on the Nasdaq National Market under the symbol “MANT” since the Company’s initial public offering on February 7, 2002. The following table sets forth, for the periods indicated, the high and low prices of the Company’s shares of common stock, as reported on the Nasdaq National Market.

 There is no established public market for the Company's Class B common stock.

As of March 1, 2004, there were eleven holders of record of the Company’s Class A common stock and four holders of record of the Company’s Class B common stock. The number of holders of record of the Company’s Class A common stock is not representative of the number of beneficial holders due to the fact that many shares are held by depositories, brokers or nominees.

Dividend Policy 

The Company currently intends to retain any earnings for the future operation and growth of its business. In addition, the Company’s amended and restated credit facility restricts it from paying cash dividends to holders of its common stock. Therefore, the Company does not anticipate paying any cash dividends on its common stock in the foreseeable future. No dividends have been declared on any class of the registrant’s common stock during the past two fiscal years. Any future dividends declared would be at the discretion of the Company’s board of directors and would depend, among other factors, upon the Company’s results of operations, financial condition and cash requirements, and the terms of the Company’s amended and restated credit facility and other financing agreements at the time such payment is considered.

Use of Proceeds 

The Company completed its initial public offering of Class A Common Stock in February 2002, pursuant to Form S-1 (File Nos. 333-73946 and 333-82310), which became effective February 6, 2002. The Company completed its follow-on public offering in December 2002, pursuant to Form S-1 (File No. 333-61226), which became effective December 16, 2002. The Company’s net proceeds from the initial and follow-on public offerings were approximately $110.2 million and $90.9 million, respectively. As of December 31, 2003, the Company had fully applied the aggregate proceeds it received from these offerings. Proceeds were used to repay the principal and accrued interest outstanding under the Company’s term loan and under its subordinated debt, to pay off all but $25.0 million of principal owing under the Company’s revolving credit facility, to purchase Aegis Research Corporation (Aegis) on August 5, 2002 for $69.4 million, to purchase CTX Corporation (CTX) on December 11, 2002 for $35.9 million, to purchase Integrated Data Systems Corporation (IDS) on February 28, 2003 for $63.7 million, and to purchase MSM Security Services, Inc. (MSM) on March 5, 2003 for $5.1 million. The principal and accrued interest under the Company’s term loan was $6.0 million, principal and accrued interest under the Company’s subordinated debt was $8.1 million, and the principal repayment under the Company’s revolving credit facility was $17.7 million.

Securities Authorized for Issuance under Equity Compensation Plans 

The following table provides information as of December 31, 2003 regarding compensation plans (including individual compensation arrangements) under which the Company’s equity securities are authorized for issuance.

ITEM 6. SELECTED FINANCIAL DATA

The selected financial data presented below for each of the years in the five-year period ended December 31, 2003 is derived from the Company’s audited consolidated financial statements. You should read the selected financial data presented below in conjunction with the Company’s consolidated financial statements, the notes to the Company’s consolidated financial statements and “Item 7—Management’s Discussion and Analysis of Financial Condition and Results of Operations.”

ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF
               OPERATIONS  

The following discussion of the Company’s financial condition and results of operations should be read together with the consolidated financial statements and the notes to those statements included elsewhere in this document. This discussion contains forward-looking statements that involve risks and uncertainties. This discussion addresses only the Company’s continuing operations, except in the discussion under the heading, “Discontinued Operations.” For more information on the Company’s discontinued operations, please see note 16 to the Company’s consolidated financial statements.

Overview 

ManTech International Corporation is a leading provider of innovative technologies and solutions for mission-critical national security programs for the intelligence community, the Department of Defense and other U.S. federal government customers. The Company's expertise includes software development, enterprise security architecture, information assurance, intelligence operations support, network and critical infrastructure protection, information technology, communications integration and engineering support. With more than 5,000 highly qualified employees the Company operates in the United States and over 30 countries worldwide.

A substantial portion of the Company’s revenues are derived from contracts with the federal government. For the years ended December 31, 2003 and 2002, 98.1% and 96.3%, respectively, of the Company’s revenues were derived, either as a prime or a subcontractor, from contracts with the federal government. For the years ended December 31, 2003 and 2002, the Company derived 91.2% and 86.6%, respectively, of the Company’s revenues from contracts with its customers in the intelligence community and Department of Defense.

The Company’s revenues consist primarily of payments for the work of the Company’s employees and, to a lesser extent, the pass-through of costs for material and subcontract efforts under contracts with the Company’s customers. The Company enters into three types of federal government contracts: cost-plus, time-and-materials and fixed-price. Under cost-plus contracts, the Company is reimbursed for allowable costs and paid a fee, which may be fixed or performance-based. Under time-and-materials contracts, the Company is reimbursed for labor at negotiated hourly billing rates and for certain expenses. The Company assumes financial risk on time-and-material contracts because the Company assumes the risk of performing those contracts at negotiated hourly rates. Under fixed-price contracts, the Company performs specific tasks for a fixed price. Compared to cost-plus contracts, fixed-price contracts generally offer higher margin opportunities but involve greater financial risk because the Company bears the impact of cost overruns and receives the benefit of cost savings. For the year ended December 31, 2003, the Company derived approximately 34.2%, 50.3% and 15.5% of the Company’s revenues from cost-plus, time-and-materials and fixed-price contracts, respectively. For the year ended December 31, 2002, the Company derived approximately 38.5%, 45.1% and 16.4% of the Company’s revenues from cost-plus, time-and-materials and fixed-price contracts, respectively.

The Company recognizes revenues under cost-plus contracts as its costs are incurred and the Company includes an estimate of applicable fees earned. The Company recognizes revenues under time-and-materials contracts by multiplying the number of direct labor-hours expended in the performance of the contract by the contract billing rates and adding other billable direct costs. For contracts that include performance-based incentives, the Company recognizes the incentives when they have been earned and the Company can reasonably demonstrate satisfaction of the performance goal or when the incentive has been awarded. The Company recognizes revenues under fixed-price contracts using the percentage of completion method, which involves a periodic assessment of costs incurred to date in relation to the estimated total costs at completion, or upon the delivery of specific products or services. The Company records the cumulative effects of any revisions to the Company’s estimated total costs and revenues in the period in which the facts requiring revisions become known. If the Company anticipates a loss on a contract, the Company provides for the full amount of the anticipated loss at the time of that determination.

The Company’s most significant expense is the Company’s cost of services, which consists primarily of direct labor costs for program personnel and direct expenses incurred to complete contracts, including cost of materials and subcontract efforts. The Company’s ability to accurately predict personnel requirements, salaries and other costs, as well as to manage personnel levels and successfully redeploy personnel, can have a significant impact on the Company’s cost of services. General and administrative expenses consist primarily of costs associated with the Company’s management, finance and administrative groups; personnel training; sales and marketing expenses, which include bid and proposal efforts; and certain occupancy, travel and other corporate costs.

Results of Operations 

The following table sets forth, for each period indicated, the percentage of items in the consolidated statement of operations in relation to revenues.

The following table sets forth, for each period indicated, the percentage of the Company’s revenues derived from each of the Company’s major types of customers.

Year Ended December 31, 2003 Compared to the Year Ended December 31, 2002

Revenues. Revenues increased 40.3% to $701.6 million for the year ended December 31, 2003, compared to $500.2 million for 2002. This increase is attributable to several factors, including (1) a full twelve months of revenues from the Aegis and CTX businesses that were acquired in August and December 2002, respectively, (2) ten months of revenues from the Company’s IDS and MSM acquisitions, (3) additional work under contracts that were in existence during the prior year, and (4) the U.S. Army Communications-Electronics Command (CECOM) contract, which did not start until the second quarter of 2002. The Company derived approximately 40.3% of its revenues for the year ended December 31, 2003 from work under GSA schedule contracts, compared with approximately 39.8% for 2002. The Company derived approximately 11.4% of its revenues for 2003 from contracts in which it acted as a subcontractor, compared with approximately 9.2% for 2002.

Cost of services. Cost of services increased 39.9% to $569.8 million for the year ended December 31, 2003, compared to $407.3 million for 2002. As a percentage of revenues, cost of services decreased from 81.4% to 81.2%. Direct labor costs increased from $222.7 million to $306.7 million, or 37.7%, due to an increase in personnel, primarily related to the approximately 1,000 personnel added in connection with the Company’s four recent acquisitions. For the year ended December 31, 2003, other direct costs increased from $158.2 million to $229.8 million, or 45.3%, over the year ended December 31, 2002. As a percentage of revenues, other direct costs increased to 32.8% for the year ended December 31, 2003 from 31.6% for the same period in 2002 due to increased pass-through sales. For the year ended December 31, 2003, overhead personnel and facilities costs decreased 0.5%, as a percentage of revenues, compared with the same period in 2002, due to operating efficiencies.

Gross profit. Gross profit increased 41.9% to $131.8 million for the year ended December 31, 2003, compared to $92.9 million for the same period in 2002. As a percentage of revenues, gross profit margin increased to 18.8% for the year ended December 31, 2003, which represents a slight improvement from the 18.6% earned for the same period in 2002. This improvement in the gross profit margin was primarily the result of an increase in revenues generated under time-and-materials and fixed price contracts. Time-and-materials and fixed price contracts comprised 65.8% of revenues for the year ended December 31, 2003, compared with 61.5% of revenues for the year ended December 31, 2002.

General and administrative. General and administrative expenses increased 27.9% to $66.3 million for the year ended December 31, 2003, compared to $51.8 million for 2002 due to additional management personnel and infrastructure to support the growth of the Company’s business. As a percentage of revenues, general and administrative expenses declined from 10.4% for the year ended December 31, 2002 to 9.5% for the year ended December 31, 2003, primarily as a result of operating efficiencies.

Depreciation and amortization. Depreciation and amortization expense has increased 79.9% to $4.6 million for the year ended December 31, 2003 compared to $2.5 million in 2002. The increase resulted from an additional $1.8 million of amortization of intangible assets established in connection with the Company’s four recent acquisitions, as well as $0.4 million of additional depreciation expense and $0.1 million of additional capitalized software amortization expense, offset by a $0.2 million decrease in the amortization of not-to-compete financings.

Income from operations. Income from operations increased 58.2% to $61.0 million for the year ended December 31, 2003, compared with $38.5 million for 2002. The increase was primarily a result of the increase in revenues relative to the cost of services discussed above.

Income from continuing operations. Income from continuing operations increased 54.0% to $35.2 million for the year ended December 31, 2003, compared to $22.8 million for 2002. The increase resulted from $22.4 million of additional operating income, offset by increases in income tax expense of $8.3 million, interest expense of $1.5 million and other expense of $0.2 million. While the Company’s effective tax rate for the year ended December 31, 2003 of 40.6% was consistent with the 40.7% effective tax rate for the same period in 2002, interest expense was lower in 2002 as the Company had excess cash on hand from its initial public offering, which was used in the third and fourth quarters of 2002 to fund two of the Company’s acquisitions. The increase in other expense in 2003 was primarily the result of losses incurred by a Company affiliate accounted for under the equity method of accounting, offset by income from a separate company affiliate and other income related to realized gains on foreign currency transactions.

Year Ended December 31, 2002 Compared to the Year Ended December 31, 2001

Revenues. Revenues increased 15.9% to $500.2 million for the year ended December 31, 2002, compared to $431.4 million for 2001. This increase is primarily attributable to additional work under contracts that were in existence during the prior year, and the new CECOM contract. Additional work from the Department of State and the Army for secure systems and infrastructure solutions contributed to the increased revenues. Additionally, the Company’s acquisition of Aegis Research Corporation contributed $23.7 million to the increased revenues. The Company derived approximately 39.8% of its revenues for the year ended December 31, 2002 from work under GSA schedule contracts, compared with approximately 32.6% for 2001. The Company derived approximately 9.2% of its revenues for 2002 from contracts in which it acted as a subcontractor, compared with approximately 8.1% for 2001.

Cost of services. Cost of services increased 15.3% to $407.3 million for the year ended December 31, 2002, compared to $353.3 million for 2001. As a percentage of revenues, cost of services decreased from 81.9% to 81.4%. Direct labor costs increased by 26.8%, while other direct costs of material and subcontracts increased by 4.3% over 2001. Material and subcontract costs increased to $158.2 million for the year ended December 31, 2002, compared to $151.7 million for 2001. The increase in material and subcontract costs is primarily a result of increased secure systems and infrastructure solutions contract work.

Gross profit. Gross profit increased 19.0% to $92.9 million for the year ended December 31, 2002, compared to $78.1 million for 2001. Gross profit margin increased to 18.6% for the year ended December 31, 2002, compared to 18.1% for 2001. This increase resulted from higher margins on new secure systems and infrastructure solutions and information technology tasks, in conjunction with the Company’s improved realization of cost efficiencies, as a greater percentage of the Company’s work is performed under GSA schedule contracts.

General and administrative. General and administrative expenses increased 15.7% to $51.8 million for the year ended December 31, 2002, compared to $44.8 million for 2001 due to additional management personnel and infrastructure to support the growth of the Company’s business. As a percentage of revenues, general and administrative expenses for the year ended December 31, 2002 were 10.4%, which is consistent with the prior year.

Depreciation and amortization. Depreciation and amortization expense has decreased 22.4% to $2.5 million for the year ended December 31, 2002 compared to $3.3 million in 2001. While depreciation expense has increased by $0.1 million, amortization decreased by $1.1 million as a result of the Company’s adoption of SFAS No. 142, which discontinues the amortization of acquired goodwill.

Income from operations. Income from operations increased 28.3% to $38.5 million for the year ended December 31, 2002, compared with $30.1 million for 2001. The increase was primarily a result of the increase in revenues relative to the cost of services discussed above.

Income from continuing operations. Income from continuing operations increased 40.6% to $22.8 million for the year ended December 31, 2002, compared to $16.2 million for 2001. The increase resulted from higher operating income, reduced interest expense and a lower effective tax rate. Comparative net interest expense decreased by 77.9% for the year ended December 31, 2002 as a result of debt reduction and investment of the proceeds of the Company’s initial and follow-on public offerings. The Company’s effective tax rate for the year ended December 31, 2002 was 40.7%, compared to 42.7% for 2001, due primarily to the elimination of non-deductible goodwill amortization in current earnings.

Liquidity and Capital Resources 

The Company’s primary source of liquidity is cash provided by operations and the Company’s revolving credit facility and, generally, cash provided by operating activities is adequate to fund its operations. In 2002, net proceeds of $201.1 million from the Company’s initial and follow-on public offerings also provided additional liquidity, which was used principally to fund acquisitions. The following table sets forth cash (used in) provided by operating activities of continuing operations for the years ended December 31, 2003, 2002 and 2001 (in thousands):

In 2003, cash used in operating activities was primarily the result of increases in contract receivables of $58.3 million and prepaid expenses and other assets of $10.3 million, offset by net income of $35.2 million, depreciation and amortization of $7.8 million, and increases in deferred income taxes, accounts payable and accrued expenses, and salary-related accruals. In 2002, cash provided by operating activities was generated primarily from net income of $19.2 million and increases in accounts payable and accruals, offset by an increase in contract receivables and a decrease in deferred income taxes. In 2001, cash provided by operating activities was generated primarily from income from continuing operations of $16.2 million and increases in accounts payable and accruals, offset by an increase in contract receivables and decreases in billings in excess. Cash paid for income taxes for the years ended December 31, 2003 and 2002 includes $5.4 million associated with the Company’s conversion to an accrual-basis taxpayer.

Cash used in investing activities of continuing operations was $73.9 million for the year ended December 31, 2003, compared to $108.2 million for the prior year. Investing activities for 2003 included the acquisitions of IDS and MSM for $63.7 million and $5.1 million, respectively, purchases of property and equipment of $3.3 million, and investments in intellectual property of $1.8 million. Investing activities in 2002 included the acquisitions of Aegis Research Corporation and CTX Corporation for $69.4 million and $35.8 million, respectively, purchases of property and equipment of $2.7 million, and investments in intellectual property of $1.3 million. Cash used in investing activities for 2001 was $5.8 million and primarily consisted of an investment in GSE Preferred Stock of $3.9 million and purchases of property and equipment of $2.2 million. Investing activities have primarily consisted of investments in intellectual property, acquisitions of businesses, investments and loans to affiliates, and purchases of property and equipment.

Cash provided by financing activities of continuing operations was $1.1 million and $155.1 million for the years ended December 31, 2003 and 2002, respectively, compared to cash used of $4.8 million for the year ended December 31, 2001. The net cash provided by financing activities during 2003 was the result of $2.1 million in proceeds received from employees upon the exercise of stock options, less the Company’s $1.0 million payment of the final installment of not-to-compete financings. The net cash provided by financing activities during 2002 was primarily the result of the net proceeds of the Company’s initial and follow-on public offerings of $110.2 million and $90.9 million, respectively, less amounts used to repay debt. The net cash used during 2001 was primarily the result of debt reduction.

On February 28, 2003, the Company acquired 100 percent of the outstanding common shares of IDS for a cash purchase price of $62.7 million, net of cash on hand, excluding $1.0 million of acquisition-related costs. The transaction is also subject to an earnout provision. The acquisition has been accounted for using the purchase method of accounting. The purchase price has been allocated to the assets acquired and the liabilities assumed based upon their estimated fair market values. The balance of the purchase price was recorded as goodwill. The acquisition of IDS also provides a cash tax savings to the Company due to the deductibility of goodwill and related intangibles of approximately $23.7 million over 15 years. The goodwill is deductible because the shareholders of IDS made a section 338(h)(10) election under the federal Tax Code. The acquisition was funded using proceeds from the Company’s follow-on public offering.

On March 5, 2003, the Company acquired 100 percent of the outstanding common shares of MSM for a cash purchase price of approximately $4.9 million, of which $2.2 million in cash was paid to MSM shareholders and $2.7 million in cash was used to repay existing MSM debt. The purchase price excludes $0.2 million of acquisition-related costs and is subject to an earnout provision. The acquisition has been accounted for using the purchase method of accounting. The purchase price has been allocated to the assets acquired and the liabilities assumed based upon their estimated fair market values. The balance of the purchase price was recorded as goodwill. The acquisition was funded using proceeds from the Company’s follow-on public offering.

On February 25, 2004, the Company executed the Amended and Restated Credit and Security Agreement with Citizens Bank of Pennsylvania, KeyBank National Association, Branch Banking and Trust Company of Virginia, Chevy Chase Bank, F.S.B., and Riggs Bank, N.A., in order to increase the capacity available under its prior loan agreement. The agreement initially provides for a $125.0 million revolving credit facility that can be increased at the Company’s option to $200.0 million. The maturity date of the agreement is February 25, 2009. Under the agreement, the Company is required to maintain specified financial covenants relating to asset coverage, fixed charge coverage, and debt coverage. The agreement also places limitations on additional borrowings, mergers, related party transactions, payment of dividends, and capital expenditures. Borrowings under the agreement are collateralized by substantially all of the Company’s assets and bear interest at the London Interbank Offered Rate (LIBOR), or the lender’s base rate, plus market-rate spreads that are determined based on a company leverage ratio calculation. To manage the Company’s exposure to the fluctuations in these variable interest rates, an interest swap was executed in December 2001. The swap agreement has a notional principal amount of $25.0 million and currently has a fixed LIBOR rate of 6.83%. At December 31, 2003 and 2002, the Company had $25.0 million in borrowings outstanding under the revolving credit facility under the agreement.

The Company believes the capital resources available to it under the Company’s credit agreements and cash from the Company’s operations are adequate to fund the Company’s ongoing operations and to support the internal growth the Company expects to achieve for at least the next 12 months. The Company anticipates financing its external growth from acquisitions as well as the Company’s longer-term internal growth through one or a combination of the following: cash from operations; additional borrowing; issuance of equity; use of the existing revolving facility; or a refinancing of the Company’s credit facilities.

Off-Balance Sheet Arrangements

Effective June 20, 2003, the Company’s lenders issued two letters of credit to Fianzas Guardiana Inbursa, S.A. (FGI) on behalf of GSE Systems, Inc. (GSE). As discussed in note 12 to the Company’s consolidated financial statements, prior to the sale of these investments on October 21, 2003, the Company held common and preferred stock in GSE and accounted for this investment using the equity method.

The first letter of credit is in support of an advance payment bond of approximately $1.8 million, issued by FGI to a customer of GSE’s power business and has a term of 30 months. The second letter of credit is in support of a performance bond of approximately $1.3 million issued by FGI to the same customer and has a term of 42 months. The respective letter of credit can be drawn upon by FGI in the event that the related bond is drawn on by the customer, which would only occur in the event of a contractual default by GSE. In the event that the letters of credit are drawn upon, the Company and GSE have signed a collateral agreement whereby GSE has agreed to indemnify the Company from any and all costs, damages, claims, actions, demands, losses and expenses (including the value of the letters of credit drawn upon, reasonable attorneys’ fees, collection fees or enforcement fees). In exchange for issuing the letters of credit, the Company received 100,000 warrants to purchase GSE’s common stock at the market price of GSE’s common stock as of the close of business on July 8, 2003, and will receive a 7% annual fee, payable on a quarterly basis, calculated on the total amount of the then-existing value of the letters of credit.

In accordance with Financial Accounting Standards Board (FASB)Interpretation (FIN) No. 45 the Company has established a $3.1 million long-term liability for these guarantees and has increased the carrying value of its investment in GSE by an equivalent amount.

Contractual Obligations

Discontinued Operations 

In September 2001, the Company decided to exit certain lines of business involving foreign operations or operations that primarily serve commercial customers. The Company decided to dispose of the Company’s Australia-based software solutions consulting business, the Company’s United Kingdom-based bank remittance processing business, the Company’s China-based consulting business, the Company’s U.S.-based environmental consulting and remediation business, and the Company’s U.S.-based application-hosting business. The lines of business discontinued have been classified as discontinued operations in the Company’s consolidated financial statements and the likely net gains and losses to income expected from these businesses through the estimated date of disposal have been accrued in accordance with Accounting Principles Board (APB) Opinion No. 30, Reporting the Results of Operations—Reporting the Effects of Disposal of a Segment of a Business and Extraordinary Unusual and Infrequently Occurring Events and Transactions. The Company concluded the disposal of all of these businesses as of December 31, 2002, except the Company’s Australia-based software solutions business. The Company reached a definitive agreement regarding the sale of this business, and the transaction closed in February 2003. See “Item 1—Business: Risks Related to the Company’s Business,” the section entitled, “The Company may be exposed to liabilities or losses from operations that it has discontinued.”  

Critical Accounting Estimates and Policies  

Critical accounting policies are defined as those that are reflective of significant judgments and uncertainties, and potentially result in materially different results under different assumptions and conditions. Application of these policies is particularly important to the portrayal of the Company’s financial condition and results of operations. The discussion and analysis of the Company’s financial condition and results of operations are based on the Company’s consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States of America. The preparation of these consolidated financial statements requires management to make estimates and judgments that affect the reported amount of assets, liabilities, revenues and expenses. Actual results may differ from these estimates under different assumptions or conditions. The Company’s significant accounting policies, including the critical policies listed below, are described in the notes to the consolidated financial statements included in this report.

Revenue Recognition and Cost Estimation  

The Company recognizes revenue when persuasive evidence of an arrangement exists, services have been rendered, the contract price is fixed or determinable, and collectibility is reasonably assured. The Company has a standard internal process that it uses to determine whether all required criteria for revenue recognition have been met. This standard internal process includes a monthly review of contract revenues and expenses by several levels of management. This review covers, among other matters, progress against schedule, project staffing and levels of effort, risks and issues, subcontract management, incurred and estimated costs, and disposition of prior action items. This monthly internal review is designed to determine whether the overall progress on a contract is consistent with the effort expended and revenue recognized to date.

The Company’s revenues consist primarily of payments for the work of the Company’s employees, and to a lesser extent, the payments for materials and subcontract efforts under contracts with the Company’s customers. Cost of services consists primarily of compensation expenses for program personnel, the fringe benefits associated with this compensation, and other direct expenses incurred to complete programs, including cost of materials and subcontract efforts.

The majority of the Company’s revenues are derived from cost-plus-fixed-fee, cost-plus-award-fee, firm-fixed-price, or time-and-materials contracts. Absent evidence to the contrary, the Company recognizes revenue as follows. Under cost-plus-fixed or award-fee contracts, revenues are recognized as costs are incurred and include an estimate of applicable fees earned. Under firm-fixed-price contracts, revenues are estimated on the percentage of completion method, on the basis of costs incurred in relation to estimated total costs, or upon delivery of specific products or services, as appropriate. For time-and-material contracts, revenues are computed by multiplying the number of direct labor-hours expended in the performance of the contract by the contract billing rates and adding other billable direct costs. Performance incentives are incorporated in certain contracts, which provide increased and decreased revenues based on actual performance compared to established targets. Incentives based upon cost performance are recorded when earned and other incentives and awards are recorded when the amounts are earned and can be reasonably determined, or are awarded. In certain circumstances, revenues are recognized when contract amendments have not been finalized. Prior to agreeing to commence work directed by the customer and before receipt of the written modification or amendment to the existing contract, the Company requires the completion of an internal memo that assesses the probability of the modification being executed in a timely fashion and the Company’s ability to subsequently collect payment from the customer.

Contract revenue recognition inherently involves estimation. Examples of estimates include the contemplated level of effort to accomplish the tasks under contract, the cost of the effort, and an ongoing assessment of the Company’s progress toward completing the contract. From time to time, as part of the Company’s standard management processes, facts develop that require the Company to revise its estimated total costs or revenues. In most cases, these revisions relate to changes in the contractual scope of the Company’s work. To the extent that a revised estimate affects contract profit or revenue previously recognized, the Company records the cumulative effect of the revision in the period in which the facts requiring the revision become known. Anticipated losses are recognized in the accounting period in which they are first determined.

Goodwill 

Goodwill represents the excess of cost over the fair value of net tangible and identifiable intangible assets of acquired companies. Effective January 1, 2002, the Company adopted SFAS No. 142, and no longer amortizes goodwill, but rather goodwill is to be reviewed at least annually for impairment. The Company has elected to perform this review annually on June 30 of each calendar year. For acquisitions completed prior to the adoption of SFAS No. 141 and SFAS No. 142 on January 1, 2002, goodwill was amortized on a straight-line basis over periods ranging from two to twenty years.

Discontinued Operations 

In September 2001, the Company executed a formal plan to exit certain commercial and foreign lines of business that no longer contributed to the Company’s core competencies. Based on independent valuations, market comparable information and interest expressed in these businesses, an estimate was provided for the likely net gains and losses to income expected from these businesses through the estimated dates of disposal. As a result, in accordance with APB Opinion No. 30, Reporting the Results of Operations—Reporting the Effects of Disposal of a Segment of a Business, and Extraordinary, Unusual and Infrequently Occurring Events and Transactions, results of operations were classified as discontinued and prior periods were restated. The Company segregated the net assets and liabilities held for sale, recorded all current and expected future losses and deferred all gains expected to be realized upon disposal of the respective entities. The amounts the Company will ultimately realize could differ in the near term from the amounts estimated in arriving at the loss on disposal of the discontinued operations.

Accounting Pronouncements 

In April 2002, the FASB issued SFAS No. 145, Rescission of FASB Statements No. 4, 44 and 64, Amendment of FASB Statement No. 13 and Technical Corrections. Among other things, SFAS 145 rescinds both SFAS 4, Reporting Gains and Losses from Extinguishment of Debt, and the amendment to SFAS 4, SFAS 64, Extinguishments of Debt Made to Satisfy Sinking Fund Requirements. Through this rescission, SFAS 145 eliminates the requirement that gains and losses from the extinguishment of debt be aggregated and, if material, classified as an extraordinary item, net of the related income tax effect. Generally, SFAS 145 is effective for transactions occurring after May 15, 2002. The adoption of SFAS 145 did not have a material impact on the Company’s financial position or results of operations.

In June 2002, the FASB issued SFAS No. 146, Accounting for Costs Associated with Exit or Disposal Activities. SFAS 146 nullifies Emerging Issues Task Force (EITF) Issue No. 94-3, Liability Recognition for Certain Employee Termination Benefits and Other Costs to Exit an Activity (including Certain Costs Incurred in a Restructuring). This statement requires that costs related to an exit or disposal activity be recognized when the liability is incurred instead of when an entity commits to an exit plan. The provisions of SFAS 146 are effective for financial transactions initiated after December 31, 2002. The adoption of SFAS 146 did not have a material impact on the Company’s financial position or results of operations.

In November 2002, the FASB issued Interpretation No. 45, Guarantor’s Accounting and Disclosure Requirements for Guarantees, Including Indirect Guarantees of Indebtedness of Others, an interpretation of FASB Statements No. 5, 57 and 107 and rescission of FASB Interpretation No. 34. FIN 45 elaborates on the disclosures to be made by a guarantor in its interim and annual financial statements about its obligations under guarantees issued. FIN 45 also clarifies that a guarantor is required to recognize, at the inception of a guarantee, a liability for the fair value of the obligation undertaken. The initial recognition and measurement provisions of FIN 45 are effective for guarantees issued or modified after December 31, 2002. The adoption of the initial recognition and measurement provisions of FIN 45 did not have a material impact on the Company’s financial position or results of operations. See additional discussion of the Company’s obligations under guarantees in note 13.

In November 2002, the FASB issued EITF No. 00-21, Accounting for Revenue Arrangements with Multiple Deliverables. EITF 00-21 addresses when and how an arrangement involving multiple deliverables should be divided into separate units of accounting, as well as how the arrangement consideration should be measured and allocated to the separate units of accounting in the arrangement. The provisions of EITF 00-21 were effective for the Company’s third quarter of 2003. The adoption of EITF 00-21 did not have a material impact on the Company’s financial position or results of operations.

In December 2002, the FASB issued SFAS No. 148, Accounting for Stock-based Compensation—Transition and Disclosure, an amendment of SFAS 123. SFAS 148 provides alternative methods of transition for a voluntary change to the fair value based method of accounting for stock-based employee compensation. In addition, SFAS 148 amends the disclosure requirements of SFAS 123 to require more prominent and more frequent disclosures in financial statements about the effects of stock-based compensation. This statement is effective for fiscal years ending after December 15, 2002. The adoption of SFAS 148 did not have a material impact on the Company’s financial position or results of operations.

In January 2003, the FASB issued Interpretation No. 46, Consolidation of Variable Interest Entities, an interpretation of ARB No. 51, which addresses consolidation by business enterprises of “variable interest entities” (VIEs). FIN 46 expands upon and strengthens existing accounting guidance that addresses when a company should include the assets, liabilities and activities of another entity in its financial statements. Under previous guidance, a company generally included another entity in its consolidated financial statements only if it controlled the entity through voting interests. FIN 46 requires a variable interest entity to be consolidated by a company if that company is the “primary beneficiary” of that entity. The primary beneficiary is subject to a majority of the risk of loss from the VIE’s activities, or is entitled to receive a majority of the VIE’s residual returns, or both. The consolidation requirements of FIN 46 apply immediately to VIEs created after January 31, 2003 and apply to previously established entities in the first interim period beginning after December 31, 2003. Certain of the disclosure requirements apply to all financial statements issued after January 31, 2003, regardless of when the VIE was established. The adoption of FIN 46 did not have a material impact on the Company’s financial position or results of operations.

In April 2003, the FASB issued SFAS No. 149, Amendment of Statement 133 on Derivative Instruments and Hedging Activities, which amends and clarifies financial accounting and reporting for derivative instruments, including certain derivative instruments embedded in other contracts (collectively referred to as derivatives) and for hedging activities under SFAS 133, Accounting for Derivative Instruments and Hedging Activities. SFAS 149 is generally effective for contracts entered into or modified after June 30, 2003 and for hedging relationships designated after June 30, 2003. The adoption of SFAS 149 did not have a material impact on the Company’s financial position or results of operations.

In May 2003, the FASB issued SFAS No. 150, Accounting for Certain Financial Instruments with Characteristics of Both Liabilities and Equity, which establishes standards for how an issuer classifies and measures certain financial instruments with characteristics of both liabilities and equity. SFAS 150 requires that certain financial instruments, which under previous guidance were accounted for as equity, must now be accounted for as liabilities. The financial instruments affected include mandatorily redeemable stock, certain financial instruments that require or may require the issuer to buy back some of its shares in exchange for cash or other assets, and certain obligations that can be settled with shares of stock. SFAS 150 is effective for financial instruments entered into or modified after May 31, 2003, and otherwise is effective at the beginning of the first interim period beginning after June 15, 2003. The adoption of SFAS 150 did not have a material impact on the Company’s financial position or results of operations.

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

The Company’s exposure to market risk relates to changes in interest rates for borrowings under the Company’s revolving credit facility. These borrowings bear interest at variable rates. During the first quarter of 2002, the Company repaid all but $25.0 million in borrowings outstanding under the Company’s revolving credit facility. A hypothetical 10% increase in interest rates would have increased the Company’s annual interest expense for the year ended December 31, 2003 by less than $0.1 million.

In December 2001, the Company entered into an interest swap agreement in order to reduce the Company’s exposure associated with the market volatility of fixed LIBOR interest rates. This agreement has a notional principal amount of $25.0 million and, as of December 31, 2002, had a rate of 6.83%. This agreement is a hedge against revolving debt of $25.0 million, which bears interest at monthly floating LIBOR plus a margin currently at 1.00%. At stated monthly intervals the difference between the interest on the floating LIBOR-based debt and the interest calculated in the swap agreement are settled in cash. The estimated value of the swap at December 31, 2003 was a negative $2.4 million.

The Company does not use derivative financial instruments for speculative or trading purposes. The Company invests its excess cash in short-term, investment grade, interest-bearing securities. The Company’s investments are made in accordance with an investment policy approved by the board of directors. Under this policy, no investment securities can have maturities exceeding one year and the average maturity of the portfolio cannot exceed 90 days.

ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

Index to Consolidated Financial Statements

INDEPENDENT AUDITORS’ REPORT

To the Board of Directors and Stockholders of ManTech International Corporation
Fairfax, Virginia:

We have audited the accompanying consolidated balance sheets of ManTech International Corporation and subsidiaries (the Company) as of December 31, 2003 and 2002, and the related consolidated statements of income, changes in stockholders’ equity, and cash flows for each of the three years in the period ended December 31, 2003. These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on these financial statements based on our audits.

We conducted our audits in accordance with auditing standards generally accepted in the United States of America. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.

In our opinion, such consolidated financial statements present fairly, in all material respects, the financial position of ManTech International Corporation and subsidiaries at December 31, 2003 and 2002, and the results of their operations and their cash flows for each of the three years in the period ended December 31, 2003 in conformity with accounting principles generally accepted in the United States of America.

DELOITTE & TOUCHE LLP

McLean, Virginia
March 10, 2004

MANTECH INTERNATIONAL CORPORATION
CONSOLIDATED BALANCE SHEETS
(Dollars in Thousands)

MANTECH INTERNATIONAL CORPORATION
CONSOLIDATED BALANCE SHEETS
(Dollars in Thousands)

See notes to consolidated financial statements.

MANTECH INTERNATIONAL CORPORATION
CONSOLIDATED STATEMENTS OF INCOME
(Dollars in Thousands Except Per Share Amounts)

MANTECH INTERNATIONAL CORPORATION
CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY
Dollars in Thousands)

See notes to consolidated financial statements.

See notes to consolidated financial statements.

MANTECH INTERNATIONAL CORPORATION
CONSOLIDATED STATEMENTS OF CASH FLOWS
(Dollars in Thousands)