Document:

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                                                                   Exhibit 10.15

                              EMPLOYMENT AGREEMENT

MADE this 15th day of November 1993, by and between:

           SEEC, INC. a Pennsylvania Corporation, ("SEEC" hereinafter)

                                       AND

                                  Shankar Krish
                     an individual, ("EMPLOYEE") hereinafter

                                   WITNESSETH:

WHEREAS, SEEC is in the business of developing and marketing software; and

WHEREAS, EMPLOYEE is presently an at will employee of SEEC, and SEEC wishes to
provide increased remuneration and benefits, in return for a formalized
employment agreement which contains, inter alia, certain restrictive covenants;
and

WHEREAS, SEEC and EMPLOYEE wish to enter into an employment agreement on the
following terms and conditions;

                                 NOW, THEREFORE:

For and in consideration of the covenants contained herein, and intending to be
legally bound hereby, the parties hereto do covenant and agree as follows:

ARTICLE I  TERM AND SCOPE OF EMPLOYMENT

Section 1. Term. SEEC will employ EMPLOYEE for a period of two (2) years from
the date of this Agreement unless this Agreement is terminated before that time,
in accordance with the terms of Article VI hereof.

Section 2. Scope. EMPLOYEE shall perform such duties and responsibilities as
SEEC may from time to time assign to EMPLOYEE. SEEC expressly reserves the
right, in the exercise of its sole discretion, to make changes in EMPLOYEE's
duties and responsibilities. During the term of EMPLOYEE's employment, EMPLOYEE
shall work for SEEC on a full time basis, and shall use his best efforts to
further the best interests and welfare of SEEC. During the term of his
employment, EMPLOYEE agrees that he will refrain from performing, directly or
indirectly, any work or services whatsoever, for himself or for any third
person, without the written authorization of SEEC.

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                                             Shankar Krish Employment Agreement

Section 3. EMPLOYEE agrees to abide by such lawful employment policies and
regulations as SEEC may from time to time adopt, and such specific instructions
and directions to EMPLOYEE as SEEC lawfully may give, from time to time.

ARTICLE II  SALARY, FRINGE BENEFITS AND STOCK OPTIONS.

Section 1. Salary. EMPLOYEE shall be paid an annual salary in the amount of:

                     Forty Eight Thousand Dollars ($48,000)

U.S. DOLLARS, payable in periodic payments in accordance with SEEC's normal
payroll practices currently in effect, or such other payroll practices as SEEC
may adopt from time to time.

Section 2. FRINGE BENEFITS. EMPLOYEE will be entitled to such vacations,
holidays, sick leave, and health insurance as SEEC may provide in accordance
with its normal employment policies. SEEC reserves the right, in its sole
discretion, to change such employment policies and fringe benefits from time to
time.

Section 3. Stock Options. So long as EMPLOYEE is not in violation of his duties
of loyalty and good faith towards SEEC, and is not in violation of Article I
Section 2, and Articles III, IV, and V of this Agreement, EMPLOYEE shall have
the option to purchase shares of SEEC's common stock as set forth in Exhibit A
which is attached hereto and made a part hereof.

Section 4. Reimbursements. SEEC will reimburse EMPLOYEE for all reasonable
travel and other expenses which EMPLOYEE incurs due to activities required by
SEEC.

ARTICLE III  INVENTIONS, DISCOVERIES, AND IMPROVEMENTS

Section 1. All inventions, discoveries, improvements or copyrightable materials
("Discoveries" hereinafter) which EMPLOYEE conceives or makes, solely or in
conjunction with others, during his period of employment with SEEC, in any field
in which, during the term of this Agreement, SEEC is or plans to be engaged, and
in all related fields, are the sole and exclusive property of SEEC. All such
Discoveries made within two (2) years following termination of his employment
shall be deemed to fall within this provision, unless EMPLOYEE bears the burden
of proving, by evidence that is clear and convincing, that they were conceived
and made after the termination of his employment with SEEC.

Section 2. EMPLOYEE agrees that he will promptly disclose all Discoveries to
SEEC, and hereby assigns and conveys to SEEC all his right, title and interest
in and to all such Discoveries. EMPLOYEE will assist SEEC, at its request, in
preparing copyright applications, both United States and foreign, covering all
such Discoveries, and will sign and deliver all documents, and do all things
reasonable or necessary to secure and protect SEEC's ownership interests in all

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                                             Shankar Krish Employment Agreement

Discoveries. All costs incidental to EMPLOYEE's performance under this Article,
as requested by SEEC, shall be born by SEEC.

ARTICLE IV  CONFIDENTIALITY OF PROPRIETARY DATA

Section 1. For the purposes of this Agreement, all technical, commercial and
business information to which EMPLOYEE obtains access during the course of his
employment, including without limiting the generality of the foregoing, all
memoranda, notes, computer data, computer programs, spreadsheets, graphs,
printouts, customer lists, customer and trade data, materials and equipment
data, market data, financial data, contracts, orders, plans, designs, drawings,
processes, formulae, codes, apparatus, products, discoveries, inventions,
bug-fixes, improvements, and all other records, recordings or documents
whatsoever, whether belonging to SEEC, or to any third party, shall be deemed
Proprietary Information, regardless of whether or not it falls within the
common-law definition of trade secrets, unless it is lawfully in the public
domain ("Proprietary Information" hereinafter).

Section 2. EMPLOYEE agrees to keep confidential all Proprietary Information to
which he has access during the course of his employment. EMPLOYEE agrees that
while such Proprietary Information is in his possession, he shall be deemed to
hold the same in trust for SEEC's sole benefit, and shall not use the same for
any purpose, or disclose the same to any person, other than in the performance
of his required employment duties for SEEC, without SEEC's written consent.
Without limiting the generality of the foregoing, EMPLOYEE acknowledges that in
the course of his employment, he may obtain access to the Proprietary
Information of third parties who are doing business with SEEC. Such information
may or may not be marked "Confidential". EMPLOYEE agrees that he will not use or
disclose any third party Proprietary Information which he obtains during the
course of his employment for SEEC for any purpose other than the performance of
his required employment duties for SEEC.

ARTICLE V  NON-COMPETE COVENANT

Section 1. EMPLOYEE agrees that for a period of two (2) years after his
employment with SEEC is terminated, he will not, directly or indirectly, work in
India, the United States, Mexico or Canada, for any third party, or for himself,
in the area of specification, design, development, production, coding or
improving of a product similar to any product that SEEC may be developing,
producing or marketing while EMPLOYEE is employed by SEEC.

Section 2. The non-compete covenant described in Section 1 of this Article shall
not be applicable in any of the following circumstances:

(1) If EMPLOYEE is laid off by SEEC under the provisions of Article VI Section 3
    of this Agreement; or

(2) If his employment is terminated in violation of this Agreement; or

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                                             Shankar Krish Employment Agreement

(3) If EMPLOYEE terminates this Agreement in accordance with Article V1 Section
    4 because SEEC is in violation of this Agreement.

ARTICLE VI  TERMINATION

Section 1. The initial term of this Agreement shall be for a period of two (2)
years from the date first above written. Thereafter, this Agreement shall be
renewed automatically, from year to year unless either party gives written
notice to the other of an intent to terminate, not less than thirty (30) days
before the expiration of the then current term of the Agreement. All provisions
of this Agreement shall continue in full force and effect for any renewed term
unless specifically changed by written Agreement of the parties. In the event
certain provisions of this Agreement are changed by written agreement of the
parties from time to time, all other provisions not specifically changed in
writing shall be deemed to continue in full force and effect.

Section 2. SEEC may terminate the employment of EMPLOYEE at any time, for good
cause, without notice. Without limiting the generality of the foregoing, good
cause for termination shall include any conduct of EMPLOYEE which is in
violation of this Agreement, any failure of EMPLOYEE to obey SEEC's lawful
employment policies, rules, regulations, or instructions to employee, any
conduct of EMPLOYEE which is harmful to SEEC's good name and lawful best
interests.

Section 3. If at any time and from time to time, SEEC, in its sole discretion,
determines that the financial interests of SEEC render it advisable to lay
EMPLOYEE off, or terminate EMPLOYEE's employment, SEEC may lay-off or terminate
EMPLOYEE without being deemed in breach of this Agreement; provided however, in
such event, EMPLOYEE will not be bound by any non-compete covenant specified in
Article V Section 1 of this Agreement, and EMPLOYEE shall be entited to retain
all stock options to which he may be entitled hereunder.

Section 4. EMPLOYEE may terminate this Agreement on thirty (30) days written
notice to SEEC, for any violation of the terms of this Agreement which SEEC has
knowingly failed to cure.

Section 5. Except as specified to the contrary in this Agreement, the following
provisions shall survive termination of this Agreement:

(1)  Article II Section 3 relating to stock options;

(2)  Article III relating to Inventions, Discoveries and Improvements;

(3)  Article IV relating to Confidentiality of Proprietary Data;

(4)  Article V relating to Non-Compete Covenant;

(5)  Any obligation of SEEC to pay wages or fringe benefits not paid as of the
     date of termination; and

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                                             Shankar Krish Employment Agreement

(6)  The provisions of the Article VII to the extent necessary to enforce any
     right arising out of this Agreement.

ARTICLE VII  MISCELLANEOUS

Section 1. Notices. Any notices required to be sent under the terms of this
Agreement shall be sent to the parties as follows, or to such new address as a
party may designate in writing. If a party is aware that the following address
is incorrect, the party shall send written notices to both the address set forth
below, and to the last known address of the other party.

TO SEEC AT:                                 TO THE EMPLOYEE AT:

C/O Mr. Ravi Koka,                          Shankar Krish
5001 Baum Blvd.                             6224 5th Ave, Apt. 114F
Pittsburgh, PA  15213.                      Pittsburgh, PA  15232

Section 2. Binding Arbitration. The parties agree that all claims, disputes and
other matters in question between them, arising out of or related to this
Agreement, and the rights, duties and obligations arising thereunder or the
breach thereof, shall be decided by common-law arbitration in Pittsburgh, PA, in
accordance with the Rules of the American Arbitration Association then
prevailing, unless the parties mutually agree otherwise; provided however, SEEC
shall have the right to obtain preliminary or permanent injunctive relief from a
court of appropriate jurisdiction while the arbitration process is continuing,
and/or after the Board of Arbitrators renders its decision on the merits;
provided further, if either party would be entitled to join a third party if the
proceeding were brought before a court of applicable jurisdiction, then in the
interests of judicial economy, either party may litigate all disputes against
the other party and any third party in one action before a court of appropriate
jurisdiction. The parties agree that with regard to all claims, disputes and
remedies, arising out of this Agreement, the American Arbitration Association,
and the Federal and State Courts in Pittsburgh, PA and applicable appellate
courts, shall have jurisdiction over their persons. This provision shall not be
deemed to confer exclusive subject matter jurisdiction over such courts. This
Agreement shall not be construed as a consent to arbitrate any dispute with any
person who is not party to this Agreement.

Section 3. Service of Process in Arbitration or in Court, may be made by
certified mail, return receipt requested, to either party at the addresses
specified in Section 1 above of this Article, which service shall be complete
upon mailing.

Section 4. Rights and Remedies. Except as provided in Section 2 above of this
Article, the duties and obligations imposed by this Agreement, and the rights
and remedies available thereunder, shall be in addition to and not in limitation
of, any duties, obligations, rights and remedies otherwise imposed or available
in law or in equity.

Section 5. Governing Law. This Agreement shall be governed by Pennsylvania law.

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                                             Shankar Krish Employment Agreement

Section 6. Waiver. No action or failure to act by either party shall constitute
a waiver of any right or duty accorded to any of them under this Agreement, nor
shall any such action or failure to act constitute an approval of, or
acquiescence in, any breach hereunder, except as may be specifically agreed in
writing.

Section 7. Integration and Amendments. The terms and conditions contained herein
constitute the full understanding of the parties, a complete allocation of the
risks between them, and a complete and exclusive statement of the terms and
conditions of their agreement. No conditions, representations, understandings,
or agreements, not contained herein, and purporting to modify, waive, vary,
explain or supplement the terms or conditions of this contract shall be binding
unless hereafter made in writing and signed by a duly authorized representative
of the party to be bound.

Section 8. Successors and Assigns. Any attempted assignment by EMPLOYEE of the
rights and obligations created by this Agreement shall be void. SEEC may at any
time assign its rights, obligations and interests in this Agreement. Except as
provided to the contrary herein, the terms and conditions of this Agreement
shall be binding on the parties, their respective executors, personal
representatives, heirs, successors in interest and assigns.

Section 9. Gender and Number. All references in this Agreement to the singular
and/or to the masculine gender, shall be deemed to include the plural and/or
feminine gender, where appropriate.

         IN WITNESS WHEREOF, the parties hereto have hereunto set their hands
and seals, as of the date first above written.

ATTEST:                                         SEEC, INC.

/s/ John D. Godfrey         (SEAL)              By  /s/ Ravindra Koka
----------------------------------              ------------------------------
Secretary or Treasury                               President or Vice President

WITNESS:                                        EMPLOYEE

                                                /s/ K. Shankar
----------------------------------              -------------------------------
                                                Signature

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                                             Shankar Krish Employment Agreement

                                    EXHIBIT A

                                  STOCK OPTIONS

SEEC, Inc., hereby grants to optionee the right to purchase up to, but not
exceeding in the aggregate of (8,000) shares of SEEC Common Stock, at an option
price to be determined by the SEEC Board of Directors.

SEEC, Inc.                                      EMPLOYEE

By  /s/ Ravindra Koka                           /s/ K. Shankar
    --------------------------                  ------------------------------
    President                                   Employee's Signature

                                       7<PAGE>   1
                                                                   EXHIBIT 10.42

================================================================================

                          UNIVERSAL COMPRESSION, INC.

                      EMPLOYEES' SUPPLEMENTAL SAVINGS PLAN

                          Effective as of July 1, 1998

================================================================================
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                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                             Page
                                                                                             ----
<S>                                                                                          <C>
PREAMBLE ....................................................................................  1

ARTICLE I: PURPOSE ..........................................................................  1

ARTICLE II: DEFINITIONS .....................................................................  1

ARTICLE III: ELIGIBILITY AND PARTICIPATION ..................................................  4
     3.1  Eligibility .......................................................................  4
     3.2  Participation .....................................................................  4
     3.3  Execution of Supplemental Salary Deferral Agreement ...............................  5

ARTICLE IV: PARTICIPANT ACCOUNTS ............................................................  7
     4.1  Participant Accounts ..............................................................  7
     4.2  No Interest in Specific Assets ....................................................  7

ARTICLE V: DEFERRED COMPENSATION AMOUNTS ....................................................  8
     5.1  Supplemental Deferrals ............................................................  8
     5.2  Matching Contributions ............................................................  8
     5.3  Bonus Deferrals ...................................................................  9

ARTICLE VI: DEEMED INVESTMENT OF ACCOUNTS ...................................................  9
     6.1  Deemed Investment of Accounts .....................................................  9
     6.2  Changing Deemed Investments ....................................................... 10
     6.3  Adjustment of Account Balances .................................................... 10

ARTICLE VII: VESTING ........................................................................ 11
     7.1  Vesting of Amounts Held in Supplemental Salary Deferral Account ................... 11
     7.2  Vesting of Amounts Held in Matching Contribution Account .......................... 11

ARTICLE VIII: DISTRIBUTIONS ................................................................. 11
     8.1  Distributions to Participants ..................................................... 11
     8.2  Distributions to Death Beneficiaries .............................................. 12
     8.3  Hardship Distributions ............................................................ 13
     8.4  Involuntary Distributions ......................................................... 13
     8.5  Withholding ....................................................................... 14

ARTICLE IX: PLAN ADMINISTRATION ............................................................. 14

ARTICLE X: CLAIMS PROCEDURES ................................................................ 15
     10.1 Payment Without the Need for Demand ............................................... 15
     10.2 Filing a Claim for Benefits ....................................................... 16
     10.3 Form of Denial of a Claim for Benefits ............................................ 16
</TABLE>
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<TABLE>
<S>                                                                          <C>
     10.4  Appealing an Adverse Benefits Claim Decision.....................  16
     10.5  Form of Denial of a Claim for Benefits on Appeal.................  16

ARTICLE XI: AMENDMENT AND TERMINATION.......................................  16
     11.1  Amendment........................................................  16
     11.2  Termination......................................................  17

ARTICLE XII: NATURE OF AGREEMENT............................................  17
     12.1  Mere Promise to Pay..............................................  17
     12.2  No Right to Continued Employment.................................  18

ARTICLE XIII: RESTRICTIONS ON ASSIGNMENT....................................  18

ARTICLE XIV: MISCELLANEOUS..................................................  18
     14.1  Recovery of Payments Made By Mistake.............................  18
     14.2  Governing Law....................................................  19
     14.3  Effective Date...................................................  19
</TABLE>
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                                    PREAMBLE

         Universal Compression, Inc. (the "Company") hereby establishes the
Universal Compression, Inc. Employees' Supplemental Savings Plan (the "Plan")
for the benefit of certain eligible employees of the Company.

                               ARTICLE I: PURPOSE

         1.1 The purpose of the Plan is:

                  (a) to provide a mechanism for certain employees of the
Company to defer the portion of their Compensation that cannot be deferred under
the Universal Compression, Inc. 401(k) Retirement and Savings Plan (the "Savings
Plan") due to limitations imposed by the Internal Revenue Code of 1986, as
amended (the "Code"), including Sections 401(a)(17), 401(k)(8), 401(m) and
402(g) thereof;

                  (b) to provide a mechanism for the Company to make matching
contributions for the benefit of such employees based upon the amount of their
deferrals under this Plan; and

                  (c) to provide a mechanism for such employees to defer all or
a portion of any incentive bonus to which they become entitled under the
Universal Compression, Inc. Officers Bonus Plan (the "Bonus Plan").

                             ARTICLE II: DEFINITIONS

         The following capitalized terms shall have the following meanings.
Except when otherwise indicated by the context, any masculine terminology used
in the Plan shall also include the feminine; and the definition of any term
herein in the singular shall also include the plural. All other capitalized
terms shall have the meaning ascribed to them in the Savings Plan.

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         2.1 The term "Account" shall mean a Participant's Supplemental Salary
Deferral Account and Matching Contribution Account.

         2.2 The term "Bonus Deferral" shall have the meaning ascribed to it in
Section 5.3 hereof.

         2.3 The term "Bonus Deferral Percentage" shall have the meaning
ascribed to it in Section 3.3(e) hereof.

         2.4 The term "Business Day" shall mean any day during which the New
York Stock Exchange is open to engage in stock transactions.

         2.5 The term "Compensation" shall have the same meaning as it has in
the Savings Plan except that the limitations imposed by Section 401(a)(17) of
the Code shall not apply.

         2.6 The term "Compensation Committee" shall mean the committee duly
constituted by the Board of Directors of the Company having the powers described
in Article IX hereof.

         2.7 The term "Death Beneficiary" shall mean the recipient of any
proceeds under the Plan in conjunction with the death of a Participant and shall
be (i) the person or persons designated by the Participant on a form provided by
the Compensation Committee, or (ii) in the absence of such a designation, the
Participant's estate.

         2.8 The term "Delegate" shall have the meaning ascribed to it in
Section 9.1 hereof.

         2.9 The term "Distribution Date" shall mean the date referred to in
Section 8.1 hereof.

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         2.10 The term "Eligible Employee" shall have the meaning ascribed to it
in Section 3.1 hereof.

         2.11 The term "Entry Date" shall mean the date referred to in Section
3.2 hereof.

         2.12 The term "Limitations" shall mean the limitations contained in
Sections 401(a)(17), 401(k)(8), 401(m) and 402(g) of the Code.

         2.13 The term "Matching Contribution" shall have the meaning ascribed
to it in Section 5.2 hereof.

         2.14 The term "Matching Contribution Account" shall mean the unfunded
bookkeeping entry established for each Participant in accordance with Section
4.1 hereof.

         2.15 The term "Matching 401(k) Contribution" refers to Matching 401(k)
Contributions under the Savings Plan.

         2.16 The term "Matching Contribution Account" shall mean the unfunded
bookkeeping entry established for each Participant in accordance with Section
4.1 hereof.

         2.17 The term "Participant" shall mean an Eligible Employee who
satisfies the criteria set forth in Section 3.2 hereof.

         2.18 The term "Plan Year" shall mean:

                  (a) with respect to the period beginning on July 1, 1998 and
ending on December 31, 1998, the period beginning on July 1, 1998 and ending on
December 31, 1998, and

                  (b) with respect to the period beginning on January 1, 1999
and continuing thereafter, the calendar year.

         2.19 The term "Savings Plan" refers to the Universal Compression, Inc.
401(k) Retirement and Savings Plan.

                                      -3-
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         2.20 The term "Selected Date" shall mean the date selected in a
Supplemental Salary Deferral Agreement in accordance with Section 3.3(f) hereof.

         2.21 The term "Supplemental Salary Deferral" shall have the meaning
ascribed to it in Section 5.1 hereof.

         2.22 The term "Supplemental Salary Deferral Account" shall mean the
unfunded bookkeeping entry established for each Participant in accordance with
Section 4.1 hereof.

         2.23 The term "Supplemental Salary Deferral Agreement" shall mean the
agreement referred to in Section 3.3 hereof.

         2.24 The term "Supplemental Salary Deferral Percentage" shall have the
meaning ascribed to it in Section 3.3(b) hereof.

         2.25 The term "Termination Date" shall mean the date the Participant
terminates employment.

         2.26 The term "Valuation Date" shall mean the close of each Business
Day of each month of each Plan Year.

                   ARTICLE III: ELIGIBILITY AND PARTICIPATION

         3.1 Eligibility. Every Participant (as defined in the Savings Plan) in
the Savings Plan who is an officer of the Company or who is designated by the
Compensation Committee as eligible to participate in the Plan shall be eligible
to participate in the Plan (an "Eligible Employee").

         3.2 Participation. Each Eligible Employee shall become a Participant in
the Plan as of his Entry Date. A Participant's Entry Date shall be the first day
of the Plan Year

                                      -4-
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following the Participant's execution and delivery to the Compensation Committee
of a Supplemental Salary Deferral Agreement.

         3.3 Execution of Supplemental Salary-Deferral Agreement. (a) Each
Eligible Employee, desiring to participate in the Plan shall execute a
Supplemental Salary Deferral Agreement prior to the beginning of the Plan Year
to which the agreement relates (except that, with respect to the first year an
employee of the Company becomes an Eligible Employee, he may execute a
Supplemental Salary Deferral Agreement within thirty (30) days of becoming an
Eligible Employee; in such case, the Supplemental Salary Deferral Agreement
shall only apply to Compensation for services performed subsequent to execution
of such agreement).

                  (b) Each Eligible Employee executing a Supplemental Salary
Deferral Agreement shall elect in such agreement to defer a percentage of his
Compensation (the "Supplemental Salary Deferral Percentage") in a whole
percentage amount of not less than two percent (2%) and not more than fifteen
percent (15%) of such Compensation.

                  (c) Each Eligible Employee executing a Supplemental Salary
Deferral Agreement may elect, but shall not be required to elect, to defer an
additional amount of his Compensation equal to the portion of such Participant's
Elective Deferral under the Savings Plan that is returned to the Participant
pursuant to Section 401(k)(8) of the Code.

                  (d) Each Eligible Employee executing a Supplemental Salary
Deferral Agreement may elect, but shall not be required to elect, to defer an
additional amount of his Compensation equal to the portion of such Participant's
Matching 401(k) Contribution that is distributed to or forfeited by such
Participant as a result of Sections 401(k)(8) or 401(m) of the Code.

                                      -5-
<PAGE>   9

                  (e) Each Eligible Employee executing a Supplemental Salary
Deferral Agreement may elect, but shall not be required to elect, to defer a
percentage of his Annual Bonus (the "Bonus Deferral Percentage") in a
percentage amount of twenty five percent (25%), fifty percent (50%), seventy
five percent (75%) or one hundred percent (100%) of such Annual Bonus.

                  (f) Each Eligible Employee executing a Supplemental Salary
Deferral Agreement may also elect, but shall not be required to elect, to
specify a date (the "Selected Date") on or beginning as of which the Participant
shall be entitled receive or to begin receiving distributions from, the Plan.
The Selected Date shall be a Valuation Date that is no sooner than three years
from the beginning of the Plan Year to which such Supplemental Salary Deferral
Agreement relates. If a Participant does not elect to specify a Selection Date
in his Supplemental Salary Deferral Agreement, distributions from the Plan with
respect to such Participant shall be on or shall begin as of the Participant's
Termination Date, in accordance with Article VIII hereof.

                  (g) Each Eligible Employee executing a Supplemental Salary
Deferral Agreement may also elect, but shall not be required to elect, to
specify the manner in which such Participant shall receive such distributions,
which election shall be either as a single lump-sum cash distribution or in
installments.

                  (h) Once executed and delivered to the Compensation Committee,
the deferrals and elections set forth in the Supplemental Salary Deferral
Agreement are irrevocable for the Plan Year to which they relate and cannot be
changed or modified; provided, however, that a Supplemental Salary Deferral
Agreement shall be automatically revoked as of any date on which its
implementation would disqualify the Savings Plan.

                                      -6-

<PAGE>   10

                           (i) No Supplemental Salary Deferrals shall occur
after a Participant is no longer an Eligible Employee.

                        ARTICLE IV: PARTICIPANT ACCOUNTS

                  4.1 Participant Accounts. For each Participant who has
executed a Supplemental Salary Deferral Agreement, the Compensation Committee
shall establish and maintain a separate Supplemental Salary Deferral Account and
Matching Contribution Account. A Participant's Supplemental Salary Deferral
Account shall be credited with such amounts as may be deferred pursuant to
Sections 5.1 and/or 5.3 hereof, and earnings thereon. A Participant's Matching
Contribution Account shall be credited with such amounts as may be deferred
pursuant to Section 5.2 hereof and earnings thereon.

                  4.2 No Interest in Specific Assets. The Accounts shall be
bookkeeping entries only, and the Participant shall have no secured or vested
interest in any specified assets; provided, however, that the Company may
establish a non-qualified trust (the "Trust") to provide a means of funding
benefits due under this Plan. Any such Trust and any assets in such Trust shall
conform to such requirements of the Internal Revenue Service that will (I) cause
amounts contributed to the Trust not to constitute a taxable event for
Participants, (II) not cause Participants to be in constructive receipt of
income or incur an economic benefit on account of the adoption or maintenance of
such Trust, (III) cause amounts paid from the Trust to be deductible by the
Company in the year in which such amounts are paid to Participants, with the
Company being regarded as the owner of the funds held in the Trust under Section
671 of the Code.

                                      -7-
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                    ARTICLE V: DEFERRED COMPENSATION AMOUNTS

                  5.1 Supplemental Deferrals. (a) For each Plan Year with
respect to which a Supplemental Salary Deferral Agreement is in effect, the
Participant's Compensation shall be reduced by the amount (the "Supplemental
Salary Deferral") by which such Participant's projected Compensation for the
Plan Year, when multiplied by the Supplemental Salary Deferral Percentage,
exceeds the limitation under Section 402(g) of the Code for such year.

                           (b) For each Plan Year with respect to which a
Supplemental Salary Deferral Agreement in which an election to defer additional
amounts pursuant to Section 3.3(c) hereof is in effect, the Participant's
Compensation shall also be reduced by the amount specified in Section 3.3(c)
hereof.

                           (c) The amounts deferred in accordance with Section
5.1(a) and (b) hereof shall be credited to the Participant's Supplemental Salary
Deferral Account.

                           (d) Supplemental Deferrals shall first be applied to
the Savings Plan to the extent of the Limitations.

                  5.2 Matching Contributions. (a) For each dollar of
Supplemental Salary Deferral contributed under the Plan pursuant to Section
5.1(a) hereof, the Company shall be deemed to have set aside an amount (the
"Matching Contribution") equal to the amount of Matching 401(k) Contributions
that would have been made under the Savings Plan if the Supplemental Salary
Deferral had been an Elective Deferral under the Savings Plan; provided,
however, that the Matching Contribution provided for in this Section 5.2, when
combined with the Participant's Matching 401(k) Contribution, shall not exceed
three percent (3%) of the Participant's Compensation in any one year.

                                      -8-

<PAGE>   12

                           (b) If a Matching 401(k) Contribution to the Savings
Plan on behalf of a Participant is forfeited pursuant to Sections 401(k)(8) or
401(m) of the Code, such amount shall be deemed a Matching Contribution within
the meaning of Section 5.2(a) of the Plan to the extent such Participant has so
provided in his Supplemental Salary Deferral Agreement. A Matching Contribution
shall not be required to the extent a returned or forfeited Employer
Contribution is otherwise deemed credited to a Participant.

                           (c) The amounts set aside in accordance with
Section 5.2(a) and (b) hereof shall be credited to the Participant's Matching
Contribution Account.

                    5.3 Bonus Deferrals. (a) For each Plan Year with respect to
which a Supplemental Salary Deferral Agreement in which the Participant
elected to defer amounts pursuant to Section 3.3(e) hereof is in effect, the
Participant's Annual Bonus shall be reduced by the amount (the "Bonus Deferral")
equal to such Participant's Annual Bonus multiplied by the Bonus Deferral
Percentage in effect for such Plan Year.

                           (b) The amounts deferred in accordance with Section
5.3(a) hereof shall be credited to the Participant's Supplemental Salary
Deferral Account.

                     ARTICLE VI: DEEMED INVESTMENT OF ACCOUNTS

                  6.1. Deemed Investment of Accounts. (a) The Compensation
Committee shall provide to each Participant a list of investments from which a
Participant can choose an investment as a deemed investment for such
Participant's Deferred Compensation Account. A Participant's Deferred
Compensation Account shall be deemed invested in the investments selected by
such Participant (provided that if no investment is selected the Deferred
Compensation Account shall be deemed invested in the money market option). A
participant

                                      -9-
<PAGE>   13

shall have no right to compel investment of any amounts credited to
Participant's Deferred Compensation Account.

                           (b) Amounts credited to a Participant's Matching
Contribution Account shall be deemed invested in the same investments, and in
the same proportions, as the investments selected by the Participant under
Section 6.1(a) hereof.

                  6.2. Changing Deemed Investments. A Participant shall have the
right to change the deemed investment of his Deferred Compensation Account and
the allocation of future Supplemental Salary Deferrals, Matching Contributions
and Bonus Deferrals among investments by notice to the Compensation Committee in
such form as required by the Compensation Committee. Such changes in deemed
investments and allocation shall be made as of the Valuation Date next following
the date upon which said change was made, or as soon thereafter as may be
administratively practicable.

                  6.3 Adjustment of Account Balances. The amounts credited to a
Participant's Deferred Compensation Account and Matching Contribution Account
shall be adjusted as of each Valuation Date to reflect increases or decreases in
the value of the deemed investments corresponding to such Accounts. To the
greatest extent practicable, the same valuation and accounting methods shall be
used as are used to recalculate the Participant's account balances under the
Savings Plan.

                              ARTICLE VII: VESTING

                  7.1 Vesting of Amounts Held in Supplemental Salary Deferral
Account. A Participant's interest in his Supplemental Salary Deferral Account
shall be one hundred percent (100%) vested at all times.

                                      -10-

<PAGE>   14

                  7.2 Vesting of Amounts Held in Matching Contribution Account.
A Participant's interest in his Matching Contribution Account shall vest at the
same rate as his Matching 401(k) Contribution under the Savings Plan. If a
Participant terminates employment prior to becoming one hundred percent (100%)
vested in his Matching Contribution Account, the unvested portion shall be
forfeited and shall reduce the Company's obligations under the Plan; forfeitures
are not added to the other Participants' Accounts.

                           ARTICLE VIII: DISTRIBUTIONS

                  8.1 Distributions to Participants. (a) A Participant shall be
entitled to a distribution from his Deferred Compensation Account and Matching
Contribution Account on a Distribution Date. The term "Distribution Date" shall
mean the earlier of: (I) the Termination Date or as soon thereafter as
administratively possible (but in no case more than 60 days following the
Termination Date), or (II) the Selected Date or as soon thereafter as
administratively possible (but in no case more than 60 days following the
Selected Date).

                           (b) On a Distribution Date that is the Participant's
Termination Date, the Participant shall be entitled to payment of an amount
equal to his entire vested interest in his Accounts. On a Distribution Date that
is the Participant's Selected Date, the Participant shall be entitled to payment
of an amount equal to the portion of his vested interest in his Account that
relates to Supplemental Salary Deferrals made with respect to the Supplemental
Salary Deferral Agreement in which the Selected Date was selected, and earnings
thereon.

                           (c) For the purpose of determining the amount to be
distributed to a Participant under this Section 8.1, a Participant's Account
balance shall be that as determined on the Distribution Date.

                                      -11-

<PAGE>   15

                           (d) Distributions made under this Section 8.1 shall
be in cash and in a single lump sum, except that a Participant may elect
pursuant to Section 3.3(g) hereof in his Supplemental Salary Deferral Agreement
to receive installment payments in the case of distributions on a Termination
Date resulting from retirement from the Company. If an installment payment
election is made, payments will be made annually in approximately equal amounts
over the period selected by the Participant, which period shall not exceed ten
(10) years.

                  8.2 Distributions to Death Beneficiaries. (a) If the
Participant's employment terminates by reason of death, or if the Participant
dies prior to receipt of all the benefits provided under Section 8.1 hereof, a
Participant's Death Beneficiary shall be entitled to a distribution of an amount
equal to the remaining vested interest of the Participant in such Participant's
Accounts as of the date of Death.

                           (b) For the purpose of determining the amount to be
distributed to a Death Beneficiary under this Section 8.2, a Participant's
Account balance shall be that as determined on the Distribution Date.

                           (c) Distributions made under this Section 8.2 shall
be in cash and in a single lump sum paid within (60) days after the
Participant's death.

                  8.3 Hardship Distributions. A benefit is payable under this
Plan to a Participant prior to a Distribution Date only if the Participant
establishes to the satisfaction of the Compensation Committee that the
Participant has an unforeseeable emergency. An unforeseeable emergency is a
severe financial hardship of the Participant resulting from a sudden and
unexpected illness or accident of the Participant or a dependent of the
Participant, loss of the Participant's property due to uninsured casualty, or
other similar extraordinary and unforeseeable circumstances arising as a result
of events beyond the control of the Participant. The amount

                                      -12-
<PAGE>   16

distributed in the case of an unforeseeable emergency shall be limited to what
is needed reasonably to satisfy the emergency and is not reasonably available
from other sources. The amount of the hardship distribution cannot exceed the
balance credited to the Participant's Supplemental Salary Deferral Account and
is charged against such Account.

         8.4 Involuntary Distributions. (a) Notwithstanding any provision of
this Plan to the contrary, the Compensation Committee may direct the trustee of
any trust established with respect to this Plan to distribute to any Participant
(or Death Beneficiary), in the form of an immediate single-sum payment, all or
any portion of the amount then credited to a Participant's Accounts to the
extent that an adverse determination is made with respect to such Participant.
For purposes of this Section 8.4, the term "adverse determination" shall mean a
determination based upon Federal tax or revenue law, a published or private
ruling or similar announcement issued by the Internal Revenue Service, a
regulation issued by the Secretary of the Treasury, a decision by a court of
competent jurisdiction, a closing agreement made under Section 7121 of the Code
that is approved by the Internal Revenue Service and that involves the
Participant, or by counsel, that such Participant (or Death Beneficiary) has or
will recognize income for Federal income tax purposes with respect to any
amount that is or will be payable under this Plan before it is otherwise to be
paid hereunder.

             (b) Further, notwithstanding any provision of this Plan to the
contrary, the Compensation Committee may direct the trustee of any trust
established with respect to this Plan to distribute to any Participant (or Death
Beneficiary), in the form of an immediate single-sum payment, all or any portion
of the amount then credited to a Participant's Account to the extent necessary
based upon a change in ERISA, a published advisory opinion or similar
announcement issued by the Dependant of Labor, a regulation issued by the
Secretary of Labor,

                                      -13-
<PAGE>   17

a decision by a court of competent jurisdiction, an agreement between such
Participant and the Department of Labor or similar agency or an opinion of
counsel, that such Participant is not a "management" or a "highly compensated"
employee or that the Plan is not an "unfunded" plan within the meaning of ERISA.

         8.5 Withholding. All distributions shall be subject to applicable state
and federal withholding of taxes.

                         ARTICLE IX: PLAN ADMINISTRATION

         9.1 The Plan shall be administered by the Compensation Committee. The
Compensation Committee's powers and obligations shall be the same as those set
forth in the plan document for the Savings Plan, but modified to take into
account that this Plan is an unfunded plan for highly compensated employees. The
Compensation Committee shall have full power and authority to interpret,
construe and administer this Plan, and its interpretations and constructions
hereof and actions hereunder, including the timing, form, amount or recipient
of any payment to be made hereunder, within the scope of its authority, shall be
binding and conclusive on all persons for all purposes. The Compensation
Committee shall also have the power to delegate to a person or persons (the
"Delegate") the power to review and rule upon initial claims for benefits, as
described in Section 10.2 hereof, provided that any such delegation shall be in
writing.

         9.2 No member of the Compensation Committee nor any Delegate shall be
liable to any person for any action taken or omitted to be taken in connection
with the interpretation and administration of this Plan, unless attributable to
his own willful misconduct or lack of good faith.

                                      -14-
<PAGE>   18

         9.3 The Company shall indemnify and hold harmless each member of the
Compensation Committee and any Delegate as provided in the Savings Plan.

         9.4 No member of the Compensation Committee nor any Delegate shall
participate in any action or determination regarding his own benefits hereunder.

             9.5 Since the Plan (other than the Bonus Deferral) is intended to
supplement the Savings Plan, any ambiguities or gaps in this Plan shall be
resolved by reference to the Savings Plan document, as amended, but only if
consistent with the purposes set forth in Article I hereof.

                          ARTICLE X: CLAIMS PROCEDURES

         10.1 Payment Without the Need for Demand. Benefits upon termination
of employment shall ordinarily be paid to a Participant without the need for
demand, and to a Death Beneficiary upon receipt of the Death Beneficiary's
address and Social Security number.

         10.2 Filing a Claim for Benefits. Notwithstanding the provisions of
Section 10.1 hereof, a Participant, or any person claiming to be a Death
Beneficiary, who claims entitlement to a benefit under the terms of this Plan
may file a claim for benefits with the Compensation Committee or its Delegate.
If the claim is for a benefit resulting from a termination, of employment or
death, the Compensation Committee or its Delegate shall accept or reject the
claim within thirty (30) days of its receipt.

         10.3 Form of Denial of a Claim for Benefits. If a claim is denied, the
Compensation Committee or its Delegate shall give the reason for denial in a
written notice calculated to be understood by the claimant, referring to the
plan provisions that form the basis of the denial. If any additional information
or material is necessary to perfect the claim, the Compensation Committee or its
Delegate will identify these items and explain why such

                                      -15-

<PAGE>   19

additional material is necessary. If the Compensation Committee or its Delegate
neither accepts nor rejects the claim within thirty (30) days, the claim shall
be deemed to be denied. If a claim is denied, all subsequent reasonable
attorney's fees and costs of a successful claimant, including the filing of the
appeal with the Compensation Committee as described in Section 10.4 hereof, and
any subsequent litigation, shall be paid by the Company unless the failure of
the Company to pay is caused by reasons beyond its control, such as insolvency
or bankruptcy.

         10.4 Appealing an Adverse Benefits Claim Decision. Upon the denial of
claim, the claimant may file a written appeal of the denied claim to the
Compensation Committee within sixty (60) days of the denial. The claimant shall
have the opportunity to be represented by counsel and to be heard at a hearing.
The Compensation Committee must set a date for such a hearing within thirty
(30) days after receipt of the appeal. In no event shall the date of the hearing
be set later than sixty (60) days after receipt of the notice. The claimant
shall have the opportunity to review pertinent documents and the opportunity to
submit issues and argue against the denial in writing.

         10.5 Form of Denial of a Claim for Benefits on Appeal. The decision
upon the appeal must be made no later than the later of: (a) sixty (60) days
after receipt of the request for review, or (b) thirty (30) days after the
hearing. If the appeal is denied after the appeal provided for in Section 10.4
hereof, the denial shall be in writing. The Compensation Committee shall give
the reason for such denial in a written notice calculated to be understood by
the claimant, referring to the plan provisions that form the basis of the
denial.

                     ARTICLE XI: AMENDMENT AND TERMINATION

         11.1. Amendment. The provisions of this Plan may be amended by the
Board of Directors of the Company from time to time and at any time in whole or
in part, even if such

                                      -16-
<PAGE>   20

amendment results in the termination or modification of any Supplemental Salary
Deferral Agreement, provided that no amendment shall operate to deprive any
Participant or Death Beneficiary of any vested rights in such Participant's
Accounts accrued to them under the Plan and Trust prior to such amendment.

         11.2 Termination. While it is the Company's intention to continue the
Plan in operation indefinitely, the Company nevertheless expressly reserves
the right to terminate the Plan in whole or in part. Upon a termination, all
amounts credited to a Participant's Matching Contribution Account shall be one
hundred percent (100%) vested, and amounts equal to the full balance in each
Participant's Deferred Compensation Account and Matching Contribution Account
shall be distributed (and taxable) to the Participant (or his Death
Beneficiary), and the Company shall have no further obligations under the Plan.

                        ARTICLE XII: NATURE OF AGREEMENT

         12.1 Mere Promise to Pay. This Plan constitutes a mere promise to
make payments in the future. By participating in this Plan, Participants and
their Death Beneficiaries have only an unsecured right to receive benefits from
the Company as a general creditor of the Company. The adoption of this Plan and
any setting aside of amounts by the Company with which to discharge its
obligations hereunder shall not be deemed to create a trust for the benefit of
Participants or their Death Beneficiaries; legal and equitable title to any
funds so set aside shall remain in the Company, and any recipient of benefits
hereunder shall have no security or other interest in such funds. Any and all
funds so set aside shall remain subject to the claims of the general creditors
of the Company, present and future, and no payment shall be made under this
Plan unless the Company is then solvent. This provision shall not require the
Company to set aside any funds, but the Company may set aside such funds if it
chooses to do so.

                                      -17-
<PAGE>   21

         12.2 No Right to Continued Employment. Nothing contained herein shall
be construed as conferring upon any Participant the right to continue in the
employ of the Company or any subsidiary of the Company in any capacity.

                    ARTICLE XIII: RESTRICTIONS ON ASSIGNMENT

         13.1 The interest of a Participant or his Death Beneficiary may not be
sold, transferred, assigned, pledged, encumbered or made subject to any charge
in any manner, either voluntarily or involuntarily, and any attempt to
anticipate, alienate, sell, transfer, assign, pledge, encumber or charge the
same shall be null and void; neither shall the benefits hereunder be liable for
or subject to the debts, contracts, liabilities, engagement or torts of any
person to whom such benefits or funds are payable, nor shall they be subject to
garnishment, attachment or other legal or equitable process nor shall they be an
asset in bankruptcy, except that no amount shall be payable hereunder until and
unless any and all amounts representing debts or other obligations owed to the
Company or any affiliate of the Company by the Employee with respect to whom
such amount would otherwise be payable shall have been fully paid and satisfied.
The interest of any Participant or Death Beneficiary shall be held subject to
the maximum restraint on alienation permitted or required by applicable the laws
of the State of Texas.

                           ARTICLE XIV: MISCELLANEOUS

         14.1 Recovery of Payments Made By Mistake. Notwithstanding anything to
the contrary, a Participant or other person receiving amounts from the Plan is
entitled only to those benefits provided by the Plan and promptly shall return
any payment, or portion thereof, made by mistake of fact or law. The
Compensation Committee may offset the future benefits of any recipient who
refuses to return an erroneous payment, in addition to pursuing any other
remedies provided by law.

                                      -18-
<PAGE>   22

         14.2 Governing Law. The Plan and Trust shall be construed,
administrated and applied under the laws of the State of Texas. It is the
Company's intent that the Plan shall be exempt from ERISA's provisions, to the
maximum extent permitted by law. The Plan is intended to be unfunded for federal
income tax purposes and for purposes of Title I of ERISA and intended to provide
deferred compensation only for a select group of management or highly
compensated employees and shall be exempt from Parts 2, 3 and 4 of ERISA,
pursuant to Sections 201(2), 301(a)(3) and 401(a)(1) of ERISA.

         14.3 Effective Date. The Plan shall be effective as of July 1, 1998.

                                      -19-

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