Document:

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                             SHAREHOLDERS' AGREEMENT

       THIS SHAREHOLDERS' AGREEMENT (this "Agreement"), dated as of May 5, 2000,
is by and among Coventry Health Care, Inc., a Delaware corporation (the
"Company"), Warburg, Pincus Ventures, L.P., a Delaware limited partnership
("WPV"), Warburg, Pincus Equity Partners, L.P., a Delaware limited partnership
("WPEP"), Warburg, Pincus Netherlands Equity Partners I, C.V., a Netherlands
limited partnership ("WPNI"), Warburg, Pincus Netherlands Equity Partners II,
C.V., a Netherlands limited partnership ("WPNII"), and Warburg, Pincus
Netherlands Equity Partners III, C.V., a Netherlands limited partnership
("WPNIII" and, together with WPV, WPEP, WPNI and WPNII, the "Warburg Entities").

                                R E C I T A L S:

       WHEREAS, pursuant to the terms of a Purchase Agreement, dated as of the
date hereof (the "Purchase Agreement"), by and among WPEP, WPNI, WPNII, WPNIII
and Principal Health Care, Inc. ("Principal"), WPEP, WPNI, WPNII and WPNIII have
agreed to purchase an aggregate of 10,000,000 shares of Common Stock, par value
$.01 per share, of the Company ("Common Stock"); and

       WHEREAS, pursuant to the terms of the Amended and Restated Securities
Purchase Agreement, dated as of April 2, 1997, as amended, by and among WPV,
Franklin Capital Associates III, L.P. and the Company (the "Warburg Agreement"),
and the Shareholders' Agreement, dated as of April 1, 1998, by and among the
Company, Principal and Principal Mutual Life Insurance Company (the "Principal
Agreement"), the consent of the Company is required for the purchase and sale of
the Common Stock as contemplated by the Purchase Agreement; and.

       WHEREAS, the Company has agreed to consent to the purchase and sale of
the Common Stock in accordance with the terms of the Purchase Agreement, subject
to the terms and conditions set forth herein.

       NOW THEREFORE, in consideration of the foregoing premises and the mutual
covenants and agreements set forth herein, and intending to be legally bound
hereby, the parties hereto agree as follows:

       SECTION 1. RESTRICTION ON RESALE; LEGEND.

       (a)    RESALE OF SECURITIES. The Warburg Entities hereby covenant that:

              (i)    they will not, directly or indirectly, sell or otherwise
                     Transfer any shares of Common Stock Owned by them, except
                     pursuant to an effective registration under the Securities
                     Act or in a transaction which, in the opinion of counsel
                     reasonably satisfactory to the Company, qualifies as an
                     exempt transaction under the Securities Act and the rules
                     and regulations promulgated thereunder; and

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              (ii)   on or before the fifth anniversary of the Closing Date,
                     they will not, directly or indirectly, sell or otherwise
                     Transfer, or permit any of their Affiliates, directly or
                     indirectly, to sell or to Transfer any shares of Common
                     Stock Owned by them to any person if such person (together
                     with the Affiliates of such person) would Own, after giving
                     effect to such sale or Transfer, more than 9.9% of the
                     outstanding shares of Common Stock, provided, however, that
                     the Warburg Entities may sell or Transfer shares of Common
                     Stock to one of their Affiliates if such Affiliate agrees
                     to be bound by the terms of this Agreement. The foregoing
                     restrictions shall not apply to any sale or Transfer made
                     (A) pursuant to an effective registration under the
                     Securities Act, (B) pursuant to and in compliance with Rule
                     144 under the Securities Act, (C) pursuant to a pro rata
                     distribution by any of the Warburg Entities to its partners
                     or (D) with the written consent of the Company's Board of
                     Directors.

       (b)    STOCK LEGEND. The stock certificates evidencing ownership of the
shares of Common Stock acquired by WPEP, WPNI, WPNII and WPNIII under the
Purchase Agreement will bear substantially the following legends:

       THE SECURITIES EVIDENCED HEREBY HAVE NOT BEEN REGISTERED UNDER THE
       SECURITIES ACT OF 1933, AS AMENDED (THE "ACT"), OR ANY STATE SECURITIES
       LAW, AND MAY NOT BE SOLD, TRANSFERRED OR OTHERWISE DISPOSED OF EXCEPT
       PURSUANT TO AN EFFECTIVE REGISTRATION UNDER THE ACT OR IN A TRANSACTION
       WHICH, IN THE OPINION OF COUNSEL REASONABLY ACCEPTABLE TO THE COMPANY, IS
       EXEMPT FROM SUCH REGISTRATION.

       THE SECURITIES EVIDENCED HEREBY ARE SUBJECT TO RESTRICTIONS ON TRANSFER
       CONTAINED IN THAT CERTAIN SHAREHOLDERS' AGREEMENT, DATED MAY 5, 2000,
       BETWEEN THE COMPANY AND WARBURG, PINCUS EQUITY PARTNERS, L.P. AND CERTAIN
       OF ITS AFFILIATES, A COPY OF WHICH AGREEMENT IS ON FILE AT THE OFFICE OF
       THE SECRETARY OF THE COMPANY. ANY ATTEMPTED TRANSFER OF THE SECURITIES IN
       VIOLATION OF THE PROVISIONS OF THE SHAREHOLDERS' AGREEMENT SHALL BE VOID
       AB INITIO AND SHALL NOT BE RECOGNIZED BY THE COMPANY.

       The legend in the first paragraph above shall be removed by the Company
from and after the expiration of the holding period for restricted securities
under the Securities Act, if the Company shall receive an opinion of counsel,
from counsel reasonably acceptable to the Company, that such legend is not
required under the

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Securities Act or any state securities laws. In addition, whenever any shares
cease to be subject to this Agreement and are not otherwise restricted
securities, the shareholder thereof shall be entitled to receive from the
Company, without expense, upon surrender to the Company of the certificate
representing such shares, a new certificate representing such shares, of like
tenor but without a legend of the character set forth above.

       SECTION 2. STANDSTILL. The Warburg Entities hereby covenant and agree
that, on or before the fifth anniversary of the Closing Date, they will not, and
will cause their respective Affiliates to not, without the prior written consent
of a majority of the members of the Company's Board of Directors, do any of the
following:

       (a)    acquire, offer or agree to acquire any shares of Common Stock (or
options or warrants to acquire, or securities convertible into or exchangeable
for, shares of Common Stock) if, as a result of such acquisition, the Warburg
Entities (together with any of their respective Affiliates) would Own more than
a number of shares of Common Stock in excess of a number equal to 34.9% of the
outstanding shares of Common Stock on a fully diluted basis;

       (b)    directly or indirectly commence or participate in a solicitation
of proxies either to oppose the election of any person to the Board of Directors
or to seek the removal of any Person from the Board of Directors, which person
has been nominated by the Nominating Committee of the Board of Directors;

       (c)    directly or indirectly make or solicit or assist any third party
to make a tender or exchange offer to purchase any shares of Common Stock or
make any public announcement concerning, or submit any written proposal to the
Board of Directors of the Company for a merger, share exchange, acquisition of
substantially all of the assets or similar transaction involving the Company.

       SECTION 3. SUSPENSION OF COVENANTS. The provisions of Section 1(a)(ii)
and 2 hereof shall thereafter cease to apply in the event of any of the
following:

       (a)    the Company issues voting securities in an acquisition by the
Company of another corporation or entity by merger, consolidation, exchange
offer, purchase of substantially all of the assets or stock, or other form of
business combination ("Company Acquisition") to any person as a result of which
such person, together with its affiliates, shall own a number of shares of
voting securities that shall equal or exceed the number of such shares owned by
the Warburg Entities and their respective Affiliates in the aggregate;

       (b)    the number of shares of Common Stock then owned by the Warburg
Entities and its Affiliates, in the aggregate, shall be less than 10% of the
then issued and outstanding shares of Common Stock; or

       (c)    the number of shares of Common Stock then owned by any person
(other than Mutual, or a person who acquired a number of shares of Common Stock
in a Company Acquisition which did not equal or exceed the number of shares
owned by

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Mutual and its Affiliates in the aggregate, so long as the Company does
not permit such person to acquire additional shares of Common Stock) and the
Affiliates of such person, in the aggregate, shall be greater than 15% of the
issued and outstanding shares of Common Stock

SECTION 4. MISCELLANEOUS.

       4.1. DEFINITIONS. Capitalized terms used but not defined herein shall
have the meaning assigned to such terms in the Purchase Agreement. As used in
this Agreement, the following terms have the respective meaning set forth below:

       (a)    Affiliate: as to the Warburg Entities, any person a majority of
the voting securities of which are Owned by the Warburg Entities, and as to any
other person, as defined in Rule 12b-2 under the Exchange Act.

       (b)    Exchange Act: the Securities Exchange Act of 1934, as amended.

       (c)    person: an individual, partnership, joint-stock company, limited
liability company, corporation, trust or unincorporated organization, and a
government or agency or political subdivision thereof.

       (d)    Securities Act: the Securities Act of 1933, as amended.

       (e)    Owns, Own or Owned: shall mean beneficial ownership, within the
meaning of Rule 13d-3 under the Exchange Act.

       (f)    Transfer: shall mean any sale, assignment, pledge, hypothecation,
or other disposition or encumbrance.

       4.2. NOTICES. Any notice required to be given hereunder shall be
sufficient if in writing, and sent by facsimile and by courier service (with
proof of service), hand delivery or certified or registered mail (return receipt
requested and first-class postage prepaid), addressed: (x) if to the Company, at
the Company's principal business address at 6705 Rockledge Drive, Suite 100,
Bethesda, Maryland 20817, Attention: Dale Wolf (Facsimile: (301) 493-0760) or
(y) if to any of the Warburg Entities, at 466 Lexington Avenue, New York, NY
10019, Attention: Joel Ackerman (Facsimile: 212-878-9351), or (z) to such other
address as any party shall specify by written notice so given, and such notice
shall be deemed to have been delivered as of the date so telecommunicated,
personally delivered or if mailed, the date of receipt.

       4.3. ASSIGNMENT, BINDING EFFECT; BENEFIT. Unless expressly provided in
this Agreement, neither this Agreement nor any of the rights, interests or
obligations hereunder shall be assigned by any of the parties hereto (whether by
operation of law or otherwise) without the prior written consent of the other
parties. Subject to the preceding sentence, this Agreement shall be binding upon
and shall inure to the benefit of the parties hereto and their respective
successors and assigns.

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       4.4. ENTIRE AGREEMENT. This Agreement and the Warburg Agreement (except
for Section 6.6 of the Warburg Agreement, which is superceded in its entirety by
this Agreement) constitute the entire agreement among the parties with respect
to the subject matter hereof and supersedes all prior agreements and
understandings among the parties with respect thereto. No addition to or
modification of any provision of this Agreement shall be binding upon any party
hereto unless made in writing and signed by all parties hereto.

       4.5. AMENDMENT. This Agreement may not be amended except by an instrument
in writing signed on behalf of each of the parties hereto.

       4.6. GOVERNING LAW. This Agreement shall be governed by and construed in
accordance with the laws of the State of Delaware, without regard to its rules
of conflict of laws.

       4.7. HEADINGS. Headings of the sections of this Agreement are for the
convenience of the parties only, and shall be given no substantive or
interpretive effect whatsoever.

       4.8. INTERPRETATION. In this Agreement, unless the context otherwise
requires, words describing the singular number shall include the plural and vice
versa, and words denoting any gender shall include all genders and words
denoting natural persons shall include corporations and partnerships and vice
versa.

       4.9. WAIVERS. Except as provided in this Agreement, no action taken
pursuant to this Agreement, including, without limitation, any investigation by
or on behalf of any party, shall be deemed to constitute a waiver by the party
taking such action of compliance with any representations, warranties, covenants
or agreements contained in this Agreement. The waiver by any party hereto of a
breach of any provision hereunder shall not operate or be construed as a waiver
of any prior or subsequent breach of the same or any other provision hereunder.

       4.10. SEVERABILITY. Any term or provision of this Agreement which is
invalid or unenforceable in any jurisdiction shall, as to that jurisdiction, be
ineffective to the extent of such invalidity or unenforceability without
rendering invalid or unenforceable the remaining terms and provisions of this
Agreement or affecting the validity or enforceability of any of the terms or
provisions of this Agreement in any other jurisdiction. If any provision of this
Agreement is so broad as to be unenforceable, the provision shall be interpreted
to be only so broad as is enforceable.

       4.11. ENFORCEMENT OF AGREEMENT. The parties hereto agree that irreparable
damage would occur in the event that any of the provisions of this Agreement was
not performed in accordance with its specific terms or was otherwise breached.
It is accordingly agreed that the parties shall be entitled to an injunction or
injunctions to prevent breaches of this Agreement and to enforce specifically
the terms and provisions hereof, this being in addition to any other remedy to
which they are entitled at law or in equity.

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       4.12. COUNTERPARTS. This Agreement may be executed in one or more
counterparts, each of which shall be deemed an original and all of which
together shall be considered one and the same agreement.

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       IN WITNESS WHEREOF, the parties have executed this Agreement and caused
the same to be duly delivered on their behalf on the day and year first written
above.

                                   COVENTRY HEALTH CARE, INC.

                                   By: /s/ Allen F. Wise
                                       ------------------
                                   Name: Allen F. Wise
                                   Title: President and Chief Executive Officer

WARBURG, PINCUS VENTURES, L.P.

By:         Warburg, Pincus & Co.,
            General Partner

By:   /s/ Stephen Distler
    --------------------------------

WARBURG, PINCUS EQUITY PARTNERS, L.P.

By:         Warburg, Pincus & Co.,
            General Partner

By:   /s/ Stephen Distler
    --------------------------------

WARBURG, PINCUS NETHERLANDS EQUITY PARTNERS I, C.V.

By:         Warburg, Pincus & Co.,
            General Partner

By:    /s/ Stephen Distler
   --------------------------------

WARBURG, PINCUS NETHERLANDS EQUITY PARTNERS II, C.V.

By:         Warburg, Pincus & Co.,
            General Partner

By:    /s/ Stephen Distler
   --------------------------------

WARBURG, PINCUS NETHERLANDS EQUITY PARTNERS III, C.V.

By:         Warburg, Pincus & Co.,
            General Partner

By:    /s/ Stephen Distler
   --------------------------------<PAGE>   1
                                                                    Exhibit 10.1

                                 LOAN AGREEMENT

                  THIS LOAN AGREEMENT is entered into as of December 22, 1999,
by and between C. Thomas Faulders, III, an individual residing at 6721 Benjamin
Street, McLean, Virginia 22101 ("BORROWER"), and LCC International, Inc., a
Delaware corporation having its principal office at 7925 Jones Branch Drive,
McLean, Virginia 22102 (the "COMPANY").

                  In consideration of the mutual covenants and agreements
hereinafter set forth, the parties hereby agree as follows:

1.       LOAN

         1.1.     LOAN

                  On the date hereof the Company will make a loan (the "LOAN")
to Borrower in the principal amount of One Million Six Hundred Twenty Five
Thousand Dollars ($1,625,000.00), said Loan to be for a term of five (5) years
commencing on the date hereof or until the termination of Borrower's employment
as the Chairman and Chief Executive Officer of the Company, if earlier, and to
be evidenced by a promissory note of Borrower (the "NOTE"), dated the date
hereof and in substantially the form of the promissory note attached hereto as
Exhibit A (the terms and provisions of which Note are incorporated herein by
reference).

         1.2.     USE OF LOAN PROCEEDS

                  The proceeds of the Loan shall be used only for the purchase
of the Company's Class A common stock, par value $.01 per share, (the "LCC
SHARES") from the Company on the date hereof.

         1.3.     BONUS FOR INTEREST PAYMENTS

                  On each date on which interest is due and payable under the
Note, provided that Borrower is employed as Chairman and Chief Executive of the
Company on such date and no Event of Default (as defined in SECTION 4.1) all
have occurred and be continuing on such date, the Company will pay Borrower a
bonus equal to the amount necessary to net Borrower, after applicable state and
federal taxes, the amount of the interest payment due on such date.

         1.4.     FORGIVENESS OF INDEBTEDNESS

                  In the event of (a) the sale of all or substantially all of
the assets of the Company to another person or entity, (b) a merger, acquisition
or other transaction in which the Company is the surviving corporation that
results in any person or entity (other than persons or entities who are holders
of five percent (5%) more of the stock of the Company at the time the
transaction is approved by the shareholders of the company and other than any
Affiliate of the Company (as defined below)) acquiring beneficial ownership of
fifty-one percent (51%) or more of the combined voting power of all classes of
stock of the Company, excluding any change in voting control arising as a result
of the conversion of the Class B common stock, par value $.01 per share, of the
Company to Class A common stock, par value $.01 per share, of the Company or any
distribution by RF Investors, L.L.C. to any of its direct or indirect owners or
their respective Affiliates or (c) a merger, consolidation or reorganization of
the Company with one or more other persons or entities where the Company is not
the surviving entity and such transaction results in a change of beneficial
ownership of the combined voting power of all classes of stock of the Company as
described in the preceding clause (b), then all amounts outstanding under this
Agreement and the Note shall be forgiven to the extent that the forgiveness of
such amounts does not (together with all other items of compensation considered
in the applicable tax calculation) result in an excise tax imposed by Section
4999 of the Internal Revenue Code of 1986, as amended (i.e., a "golden
parachute" excise tax). For purposes of the foregoing, the term "AFFILIATE"
shall mean, with respect to any entity, any person or other entity that,
directly or indirectly through one or more intermediaries, controls, is
controlled by, or is under common control with, the specified entity, where the
term "CONTROL" means the possession, directly or indirectly, of the power to

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direct or cause the direction of the management and policies of an entity,
whether through the ownership of voting securities, by contract, or otherwise.

2.       REPRESENTATIONS AND WARRANTIES OF BORROWER

                  In order to induce the Company to enter into this Agreement
and to make the Loan and to issue the LCC Shares to be purchased by Borrower
with the proceeds of the Loan, Borrower hereby makes the following
representations and warranties to the Company, which representations and
warranties shall survive the execution and delivery hereof and of the Note and
the issuance of the LCC Shares.

         2.1.     AUTHORITY RELATIVE TO THIS AGREEMENT; NON-CONTRAVENTION

                  Borrower has the legal capacity to enter into this Agreement.
Neither the execution and delivery of this Agreement by Borrower, the
consummation by Borrower of the transactions contemplated hereby nor compliance
by Borrower with any of the provisions hereof shall (i) result in a violation or
breach of, or constitute (with or without due notice or lapse of time or both a
default (or give rise to any right of termination, cancellation or acceleration)
under any note, bond, mortgage, indenture, lease, contract, agreement or other
instrument or obligation to which Borrower is a party or by which he or any of
his properties or assets is bound; (ii) violate any order, writ, injunction,
decree, statute, rule or regulation applicable to Borrower, or (iii) require any
filing with or notice to any court, government agency or other governmental
authority; except in the case of clause (ii) or (iii), for violations, breaches,
or defaults that would not in the aggregate have a material adverse effect on
the financial condition of Borrower, and that shall not impair the effectiveness
of the transactions contemplated hereby.

         2.2.     BINDING OBLIGATION

                  This Agreement has been duly and validly executed and
delivered by Borrower and constitutes a valid and binding agreement of Borrower,
enforceable against Borrower in accordance with its terms, except as such
enforcement may be limited by bankruptcy, conservatorship, receivership,
insolvency, moratorium or similar laws affecting creditors' rights generally or
the rights of creditors of individuals or by general principles of equity.

         2.3.     INSOLVENCY

                  There are no attachments, executions or assignments for the
benefit of creditors, or voluntary or involuntary proceedings in bankruptcy, or
under any other debtor relief laws, pending or, to the knowledge of Borrower,
threatened, against Borrower.

         2.4.     LITIGATION

                  There is no action, order, writ, injunction, judgment or
decree pending or outstanding or, to Borrower's knowledge, threatened, against
Borrower with respect to or against or potentially affecting any of the
transactions contemplated hereby, or which is reasonably likely to result in a
material adverse effect on the financial condition of Borrower.

         2.5.     TAXES

                  Borrower has filed all tax returns and reports required by any
governmental authority to be filed by Borrower, and such returns and reports are
true and correct. Borrower has paid all taxes, assessments and other government
charges imposed upon him or his income or properties, or upon any part thereof,
other than those presently payable without penalty or interest.

         2.6.     INVESTMENT REPRESENTATIONS

                  (a) Borrower is acquiring the LCC Shares to be purchased with
the proceeds of the Loan for his own account as principal, for investment and
not with a view to distribution within the meaning of the Securities Act of
1933, as amended (the "ACT"). Borrower acknowledges that the LCC Shares to be
purchased with the proceeds of the Loan have not been registered under the Act,
and Borrower agrees not to sell, hypothecate or otherwise dispose of such shares
unless such shares

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have been registered under the Act and applicable state securities laws or
exemptions from the registration requirements of the Act and such state laws are
available and Borrower has delivered to the Company an opinion of counsel, in
form and substance satisfactory to the Company, regarding the availability of
such exemptions.

                  (b)    (i) Borrower is an "accredited investor" within the
meaning of Rule 501 under the Act, (ii) Borrower's overall commitment to
investments that are not readily marketable is reasonable in relation to
Borrower's net worth, and Borrower's acquisition of the LCC Shares to be
purchased with the proceeds of the Loan will not cause such overall commitment
to become excessive, (iii) Borrower has adequate net worth and means of
providing for Borrower's current needs and personal contingencies to sustain a
complete loss of its investment in the Company, and Borrower has no need for
liquidity in its investment in the LCC Shares to be purchased with the proceeds
of the Loan, (iv) Borrower alone is capable of understanding and has evaluated
the merits and risks of investing in the Company, (v) Borrower is aware that
Borrower's right to transfer the LCC Shares to be purchased with the proceeds of
the Loan is restricted by the Act and applicable state securities laws, and of
the absence of a market for such shares, and (vi) Borrower has substantial
experience in making investment decisions of this type.

                  (c)    The Company has made available to Borrower and/or
Borrower's attorney or accountant all documents that Borrower or they have
requested relating thereto and has provided answers to all of such questions.
Borrower understands and acknowledges that the Company cannot provide assurances
with respect to any projections or predictions as to the future business or
financial performance of the Company.

                  (d)    Borrower recognizes that an investment in the Company
involves a high degree of risk, and he has taken full cognizance of and
understands all of the risk factors related to the acquisition of the LCC Shares
to be purchased with the proceeds of the Loan.

                  (e)    If needed, Borrower has discussed with his professional
legal, tax and/or financial advisors the suitability of an investment in the
Company for Borrower's particular tax and financial situation. All information
that Borrower has provided to the Company concerning itself and its financial
position is correct and complete as of the date set forth above.

3.       AFFIRMATIVE COVENANTS OF BORROWER

                  Until all obligations of Borrower under this Agreement and the
Note are paid in full and performed, Borrower hereby covenants and agrees that
it shall, unless the Company otherwise consents in advance in writing:

         3.1.     TAXES, CHARGES, AND OBLIGATIONS

                  Pay and discharge all taxes, assessments, and governmental
charges or levies imposed upon him or upon his income, properties or any part
thereof, prior to the date on which penalties attach thereto, provided, that,
Borrower shall not be required to pay any such tax, assessment, charge, levy,
claim, indebtedness or obligation so long as the validity thereof is being
contested by Borrower in good faith and by proper proceedings.

4.       EVENTS OF DEFAULT AND REMEDIES

         4.1.     EVENTS OF DEFAULT

                  The occurrence of any one or more of the following events
shall constitute an "EVENT OF DEFAULT" hereunder: (a) Borrower shall fail to
pay, when due, any sum payable under the Note, and such failure shall continue
for five (5) Business Days (as defined in SECTION 5.11) after the date on which
such payment is due; (b) any representation or warranty made by or on behalf of
Borrower herein shall prove to have been incorrect or misleading or breached in
any respect on or as of any date as of which made; (c) Borrower shall at any
time fail to observe, satisfy or perform any of the covenants or agreements
contained in this Agreement or the Note to be observed or performed on his part,
including without limitation, those contained in SECTION 1.2 or SECTION 3
hereof; (d) any obligation of Borrower for the payment of money in excess of
Fifty Thousand Dollars ($50,000) shall be declared to be due and payable, or
required to be prepaid (other than by a regularly scheduled prepayment), prior
to the maturity date thereof; (e) one or more judgments, decrees or orders for
the payment of money in excess of Fifty Thousand Dollars ($50,000) in the
aggregate shall be rendered against Borrower and such judgments, decrees or
orders shall continue unsatisfied and in effect for a period of thirty (30)
consecutive days without being vacated, discharged, satisfied or stayed or
bonded pending appeal; (f) if, pursuant to or within the meaning of the United
States Bankruptcy Code or any other federal or

                                       -3-

<PAGE>   4

state law relating to insolvency or relief of debtors (a "BANKRUPTCY LAW"),
Borrower shall (i) commence a voluntary case or proceeding; (ii) consent to the
entry of an order for relief against it in an involuntary case; (iii) consent to
the appointment of a trustee, receiver, assignee, liquidator or similar
official; (iv) make an assignment for the benefit of its creditors; or (v) admit
in writing its inability to pay its debts as they become due; or (f) if a court
of competent jurisdiction enters an order or decree under any Bankruptcy Law
that (i) is for relief against Borrower in an involuntary case, or (ii) appoints
a trustee, receiver, assignee, liquidator or similar official for Borrower or
substantially all of Borrower's properties.

         4.2.     RIGHTS AND REMEDIES OF THE COMPANY

                  Upon the occurrence of any Event of Default, the Company may,
at its option, exercise any one or more of the following rights and remedies:
(a) declare the entire unpaid principal amount of the Note, all interest accrued
and unpaid thereon, and all other amounts payable under this Agreement to be
accelerated, and to be immediately due and payable, whereupon the Note, all such
accrued interest, and all such amounts shall become and be immediately due and
payable, without presentment, demand, protest or further notice of any kind, all
of which are hereby expressly waived by Borrower, anything contained herein or
in the Note to the contrary notwithstanding; and (b) in addition to the
foregoing, and not in substitution therefor, exercise any one or more of the
rights and remedies exercisable by the Company under other provisions of this
Agreement, under the Note or provided by applicable law (including, without
limitation, the Uniform Commercial Code as in effect in Virginia).

5.       MISCELLANEOUS PROVISIONS

         5.1.     ADDITIONAL ACTIONS AND DOCUMENTS

                  Borrower shall take or cause to be taken such further actions,
shall execute, deliver, and file or cause to be executed, delivered, and filed
such further documents and instruments, and shall obtain such consents as may be
necessary or as the Company may reasonably request in order fully to effectuate
the purposes, terms, and conditions of this Agreement and the Note, whether
before, at or after the closing of transactions contemplated hereby and thereby
or the occurrence of an Event of Default hereunder.

         5.2.     NOTICES

                  All notices, demands, requests, or other communications
provided for herein or in the Note shall be in writing and shall be mailed by
first-class, registered or certified mail, return receipt requested, postage
prepaid, or transmitted by telegram or hand delivery, addressed as follows:

                           (a)      If to Borrower:

                                    C. Thomas Faulders
                                    6721 Benjamin Street
                                    McLean, VA  22101

                           (b)      If to the Company:

                                    LCC International, Inc.
                                    7925 Jones Branch Drive
                                    McLean, VA  22102
                                    Attn:  Peter A. Deliso

                                       -4-

<PAGE>   5

                           with a copy (which shall not constitute notice) to:

                                    Hogan & Hartson L.L.P.
                                    Columbia Square
                                    555 13th Street, N.W.
                                    Washington, D.C.  20004-1109
                                    Attention: Lorraine Sostowski

Each party may designate by notice in writing a new address to which any notice,
demand, request or communication may thereafter be so given, served or sent.
Each notice, demand, request or communication which shall be mailed, delivered
or transmitted in the manner described above shall be deemed sufficiently given,
served, sent or received for all purposes at such time as it is delivered to the
addressee (with the return receipt, the delivery receipt, or affidavit of
messenger being deemed conclusive evidence of such delivery) or at such time as
delivery is refused by the addressee upon presentation.

         5.3.     SEVERABILITY

                  If fulfillment of any provision of this Agreement or the Note
or performance of any transaction related thereto, at the time such fulfillment
or performance shall be due, shall involve transcending the limit of validity
prescribed by law, then the obligation to be fulfilled or performed shall be
reduced to the limit of such validity; and if any clause or provision contained
in this Agreement or the Note operates or would operate prospectively to
invalidate this Agreement or the Note, in whole or in part, then such clause or
provision only shall be held ineffective, as though not herein or therein
contained, and the remainder of this Agreement or the Note shall remain
operative and in full force and effect.

         5.4.     SURVIVAL

                  It is the express intention and agreement of the parties
hereto that all covenants, agreements, statements, representations, warranties,
and indemnities made by Borrower in this Agreement and the Note shall survive
the execution and delivery thereof and the making of all advances and extensions
of credit thereunder.

         5.5.     WAIVERS

                  No waiver by the Company of, or consent by the Company to, a
variation from the requirements of any provision of this Agreement or the Note
shall be effective unless made in a written instrument duly executed on behalf
of the Company by its duly authorized officer, and any such waiver shall be
limited solely to those rights or conditions expressly waived.

         5.6.     RIGHTS CUMULATIVE

                  The rights and remedies of the Company described in this
Agreement and the Note are cumulative and not exclusive of any other rights or
remedies which the Company or the then holder of the Note otherwise would have
at law or in equity or otherwise. No notice to or demand on Borrower in any case
shall entitle Borrower to any other notice or demand in similar or other
circumstances.

         5.7.     ENTIRE AGREEMENT; MODIFICATION; BENEFIT

                  This Agreement, the exhibits hereto, and the Note constitute
the entire agreement of the parties hereto with respect to the matters
contemplated herein, supersede all prior oral and written agreements with
respect to the matters contemplated herein, and may not be modified, deleted or
amended except by written instrument executed by the parties. All terms of this
Agreement and of the Note shall be binding upon, and shall inure to the benefit
of and be enforceable by, the parties hereto and their respective successors and
assigns; provided, however, that Borrower may not assign or transfer any of its
rights or obligations hereunder without the prior written consent of the
Company.

                                       -5-

<PAGE>   6

         5.8.     TERMINATION

                  This Agreement shall terminate upon payment in full of all
amounts payable and performance of all other obligations owed by Borrower to the
Company under this Agreement and under the Note.

         5.9.     CONSTRUCTION

                  This Agreement and the Note, the rights and obligations of the
parties hereto, and any claims or disputes relating thereto shall be governed by
and construed in accordance with the laws of the Commonwealth of Virginia
(excluding the choice of law rules thereof).

         5.10.    HEADINGS

                  Section and subsection headings contained in this Agreement
are inserted for convenience of reference only, shall not be deemed to be a part
of this Agreement for any purpose, and shall not in any way define or affect the
meaning, construction or scope of any of the provisions hereof.

         5.11.    PAYMENTS

                  If any payment or performance of the Note or of any of the
other obligations under this Agreement becomes due on a day other than a
Business Day, the due date shall be extended to the next succeeding Business
Day, and interest thereon (if applicable) shall be payable at the then
applicable rate during such extension. For the purposes of this Agreement,
"BUSINESS DAY" means a day other than a Saturday, Sunday or other day on which
commercial banks in the Commonwealth of Virginia are authorized by law to close.

         5.12.    EXECUTION

                  To facilitate execution, this Agreement may be executed in as
many counterparts as may be required; and it shall not be necessary that the
signatures of, or on behalf of, each party, or the signatures of all persons
required to bind any party, appear on each counterpart; but it shall be
sufficient that the signature of, or on behalf of, each party, or the signatures
of the persons required to bind any party, appear on one or more of the
counterparts. All counterparts shall collectively constitute a single agreement.
It shall not be necessary in making proof of this Agreement to produce or
account for any particular number of counterparts; but rather any number of
counterparts shall be sufficient so long as those counterparts contain the
respective signatures of, or on behalf of, all of the parties hereto.

                                       -6-

<PAGE>   7

                  IN WITNESS WHEREOF, the undersigned have duly executed this
Agreement, or have caused this Agreement to be duly executed on their behalf, as
of the day and year first hereinabove set forth.

                                    BORROWER:

                                    /s/C. THOMAS FAULDERS, III
                                    --------------------------
                                    C. Thomas Faulders, III

                                    LENDER:

                                    LCC INTERNATIONAL, INC.

                                    By:  /s/ STEVEN J. GILBERT
                                       -----------------------
                                    Name: Steven J. Gilbert
                                    Title: Chair, Comp. & S.O. Committee

                                       -7-

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