Document:

<PAGE>
                                                                  EXHIBIT 10.G.1

                             AMENDMENT NO. 1 TO THE
                           EL PASO ENERGY CORPORATION
                             2001 STOCK OPTION PLAN
                           FOR NON-EMPLOYEE DIRECTORS

         Pursuant to Section 9.1 of the El Paso Energy Corporation 2001 Stock
Option Plan for Non-Employee Directors, effective as of January 29, 2001 (the
"Plan"), the Plan is hereby amended as follows, effective February 7, 2001:

         WHEREAS, the Certificate of Incorporation of El Paso Energy
Corporation, a Delaware corporation, was amended to change the name of the
corporation to El Paso Corporation effective February 7, 2001.

         NOW THEREFORE, the name of the Plan is hereby changed to the "El Paso
Corporation 2001 Stock Option Plan for Non-Employee Directors" and all
references in the Plan to "El Paso Energy Corporation" or the "Company" shall
mean "El Paso Corporation."

         IN WITNESS WHEREOF, the Company has caused this amendment to be duly
executed on this 7th day of February 2001.

                                       EL PASO CORPORATION

                                       By: /s/ Joel Richards III
                                          --------------------------------------
                                          Joel Richards III
                                          Executive Vice President
                                          Human Resources and Administration

Attest:

         /s/ David L. Siddall
---------------------------------------
         Corporate Secretary<PAGE>
                                                                  EXHIBIT 10.J.1

                             AMENDMENT NO. 1 TO THE
                           EL PASO ENERGY CORPORATION
                    2001 OMNIBUS INCENTIVE COMPENSATION PLAN

         Pursuant to Section 16.1 of the El Paso Energy Corporation 2001 Omnibus
Incentive Compensation Plan, effective as of January 29, 2001 (the "Plan"), the
Plan is hereby amended as follows, effective February 7, 2001:

         WHEREAS, the Certificate of Incorporation of El Paso Energy
Corporation, a Delaware corporation, was amended to change the name of the
corporation to El Paso Corporation effective February 7, 2001.

         NOW THEREFORE, the name of the Plan is hereby changed to the "El Paso
Corporation 2001 Omnibus Incentive Compensation Plan" and all references in the
Plan to "El Paso Energy Corporation" or the "Company" shall mean "El Paso
Corporation."

         IN WITNESS WHEREOF, the Company has caused this amendment to be duly
executed on this 7th day of February 2001.

                                          EL PASO CORPORATION

                                          By: /s/ Joel Richards III
                                              ----------------------------------
                                              Joel Richards III
                                              Executive Vice President
                                              Human Resources and Administration

Attest:

     /s/ David L. Siddall
--------------------------------
     Corporate Secretary<PAGE>
                                                                    EXHIBIT 10.K

                               EL PASO CORPORATION

                           SUPPLEMENTAL BENEFITS PLAN

              AMENDED AND RESTATED EFFECTIVE AS OF DECEMBER 7, 2001

<PAGE>

                                TABLE OF CONTENTS

<Table>
<S>               <C>                                                                                <C>
SECTION 1         PURPOSES.............................................................................1

SECTION 2         DEFINITIONS..........................................................................1
         2.1      Beneficiary..........................................................................1
         2.2      Board................................................................................1
         2.3      Change in Control....................................................................1
         2.4      Code.................................................................................2
         2.5      Company..............................................................................2
         2.6      Deferred Compensation Plans..........................................................2
         2.7      Employer.............................................................................3
         2.8      Management Committee.................................................................3
         2.9      Participant..........................................................................3
         2.10     Pension Plan.........................................................................3
         2.11     RSP..................................................................................3
         2.12     Surviving Spouse.....................................................................3

SECTION 3         ADMINISTRATION.......................................................................3
         3.1      Management Committee.................................................................3

SECTION 4         PARTICIPANTS.........................................................................4
         4.1      Participants.........................................................................4

SECTION 5         BENEFITS.............................................................................4
         5.1      Supplemental Pension Benefits........................................................4
         5.2      Supplemental RSP Benefits............................................................5
         5.3      Other Supplemental Benefits..........................................................6
         5.4      Time and Manner of Payment...........................................................6
         5.5      Determination of Supplemental Pension Benefit Payments...............................7
         5.6      Provisions Regarding Certain Former Sonat Employees..................................8
         5.7      Provisions Regarding Certain Former Coastal Employees...............................10

SECTION 6         GENERAL PROVISIONS..................................................................11
         6.1      Unfunded Obligation.................................................................11
         6.2      Discretionary Investment by Company.................................................11
         6.3      Incapacity of Participant, Surviving Spouse or Beneficiary..........................12
         6.4      Nonassignment.......................................................................12
         6.5      No Right to Continued Employment....................................................12
         6.6      Withholding Taxes...................................................................12
         6.7      Termination and Amendment...........................................................13
         6.8      ERISA Exemption.....................................................................13
         6.9      Applicable Law......................................................................13
</Table>

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El Paso Corporation                    -i-                     Table of Contents
Supplemental Benefits Plan
<PAGE>

                               EL PASO CORPORATION
                           SUPPLEMENTAL BENEFITS PLAN
              AMENDED AND RESTATED EFFECTIVE AS OF DECEMBER 7, 2001

                               SECTION 1 PURPOSES

         The purposes of the El Paso Corporation Supplemental Benefits Plan (the
"Plan") are to attract and retain exceptional executives by providing retirement
or termination benefits to selected officers and key management employees of
outstanding competence. This Plan is effective January 15, 1992.

                              SECTION 2 DEFINITIONS

         For purposes of this Plan, the following terms shall have the meanings
indicated:

2.1 BENEFICIARY

         "Beneficiary" means the individual(s) designated by a Participant to
receive benefits from this Plan in the event of his or her death. If no
designated Beneficiary survives the Participant, the Beneficiary shall be the
person or persons in the first of the following classes who survive the
Participant:

                  (a) spouse at date of death,

                  (b) descendants, per stirpes,

                  (c) parents,

                  (d) brothers and sisters,

                  (e) estate.

2.2 BOARD

         "Board" means the Board of Directors of the Company.

2.3 CHANGE IN CONTROL

         A "Change in Control" shall be deemed to occur:

                  (a) if any person (as such term is used in Sections 13(d) and
         14(d)(2) of the Securities Exchange Act of 1934, as amended (the
         "Exchange Act") is or becomes the "beneficial owner" (as defined in
         Rule 13d-3 of the Exchange Act),

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Supplemental Benefits Plan
<PAGE>

         directly or indirectly, of securities of the Company representing 20%
         or more of the combined voting power of the Company's then outstanding
         securities;

                  (b) upon the first purchase of the Company's Common Stock
         pursuant to a tender or exchange offer (other than a tender or exchange
         offer made by the Company);

                  (c) upon the approval by the Company's stockholders of a
         merger or consolidation, a sale or disposition of all or substantially
         all of the Company's assets or a plan of liquidation or dissolution of
         the Company; or

                  (d) if, during any period of two consecutive years,
         individuals who at the beginning of such period constitute the Board of
         Directors of the Company cease for any reason to constitute at least a
         majority thereof, unless the election or nomination for the election by
         the Company's stockholders of each new director was approved by a vote
         of at least two-thirds of the directors then still in office who were
         directors at the beginning of the period.

         Notwithstanding the foregoing, a Change in Control shall not be deemed
to occur if the Company either merges or consolidates with or into another
company or sells or disposes of all or substantially all of its assets to
another company, if such merger, consolidation, sale or disposition is in
connection with a corporate restructuring wherein the stockholders of the
Company immediately before such merger, consolidation, sale or disposition own,
directly or indirectly, immediately following such merger, consolidation, sale
or disposition at least eighty percent (80%) of the combined voting power of all
outstanding classes of securities of the company resulting from such merger or
consolidation, or to which the Company sells or disposes of its assets, in
substantially the same proportion as their ownership in the Company immediately
before such merger, consolidation, sale or disposition.

2.4 CODE

         "Code" means the Internal Revenue Code of 1986, as amended.

2.5 COMPANY

         "Company" means El Paso Corporation (f/k/a/ El Paso Energy
Corporation), a Delaware corporation.

2.6 DEFERRED COMPENSATION PLANS

         "Deferred Compensation Plans" means the El Paso Corporation Deferred
Compensation Plan, 2001 Omnibus Incentive Compensation Plan, 1999 Omnibus
Incentive Compensation Plan, 1995 Incentive Compensation Plan, 1995 Omnibus
Compensation Plan, Strategic Stock Plan and other similar plans maintained by an

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El Paso Corporation                                                       Page 2
Supplemental Benefits Plan
<PAGE>

Employer and such additional deferred compensation plans as may be designated by
the Company from time to time.

2.7 EMPLOYER

         "Employer" means El Paso Corporation, and its subsidiaries.

2.8 MANAGEMENT COMMITTEE

         "Management Committee" means the committee appointed pursuant to
Section 3.1 to administer the Plan.

2.9 PARTICIPANT

         "Participant" means each individual who participates in the Plan in
accordance with Section 4.

2.10 PENSION PLAN

         "Pension Plan" means the El Paso Corporation Pension Plan and any
pension plans maintained by an Employer.

2.11 RSP

         "RSP" means the El Paso Corporation Retirement Savings Plan.

2.12 SURVIVING SPOUSE

         "Surviving Spouse" means the person to whom surviving spouse death
benefits are to be paid pursuant to the terms of the Pension Plan.

                            SECTION 3 ADMINISTRATION

3.1 MANAGEMENT COMMITTEE

         This Plan shall be administered by the Management Committee consisting
of the Chief Executive Officer of the Company and such other senior officers of
the Company as he or she shall designate. Subject to the compensation committee
(the "Compensation Committee") of the Board of Directors, the Management
Committee shall interpret the Plan, prescribe, amend and rescind rules relating
to it, select eligible Participants, and take all other action necessary for its
administration, which actions shall be final and binding upon all Participants.
No member of the Management Committee shall vote on any matter that pertains
solely to himself or herself.

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El Paso Corporation                                                       Page 3
Supplemental Benefits Plan
<PAGE>

                             SECTION 4 PARTICIPANTS

4.1 PARTICIPANTS

         The Management Committee shall determine and designate the officers and
key management employees of an Employer who are eligible to become Participants
and receive benefits under the Plan. Each Participant must be a selected
management or highly compensated employee, or entitled to qualified plan
benefits in excess of the Code Section 415 limitations on benefits. A
Participant who is not a selected management or highly compensated employee
shall be eligible only for the benefits described in Sections 5.1(a) and 5.2(a).

                               SECTION 5 BENEFITS

5.1 SUPPLEMENTAL PENSION BENEFITS

         Upon termination of employment of a Participant, the Company shall pay
or cause to be paid to such Participant (or his or her Surviving Spouse in the
case of his or her death) supplemental pension benefits under this Plan which,
when combined with the amounts he or she is entitled to receive under the
Pension Plan shall be the actuarial equivalent of the retirement, or Surviving
Spouse death benefits, which would have been payable to the Participant or his
or her Surviving Spouse had the Pension Plan's benefit formula been applied:

                  (a) without regard to the limitations of Section 415 of the
         Code (including, without limitation, the maximum benefit payable under
         Section 415(b)(1), the actuarial reduction for early retirement of
         Section 415(b)(2)(C), the reduction for limited service or
         participation of Section 415(b)(5) and the combined limits of Section
         415(e)),

                  (b) by including in the Participant's compensation during the
         period for which the Pension Plan benefits are computed, to the extent
         not already done so under the Pension Plan, any amount that has not
         been taken into account due to the limitations of Section 401(a)(17) of
         the Code or due to a reduction of compensation that has occurred
         pursuant to an election of the Participant under Section 125 or Section
         401(k) of the Code or under the Deferred Compensation Plans, and

                  (c) by taking into account any service granted to the
         Participant and any benefit formula adjustments required by an
         employment contract.

         Supplemental pension benefits under this Section 5 shall be vested and
nonforfeitable to the same extent that the related benefits under the Pension
Plan are vested and nonforfeitable. Notwithstanding the preceding sentence, in
the event of a

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El Paso Corporation                                                       Page 4
Supplemental Benefits Plan
<PAGE>

Change in Control, the supplemental pension benefits computed under this Section
5.1 shall be fully vested and nonforfeitable immediately.

5.2 SUPPLEMENTAL RSP BENEFITS

         Upon termination of employment of a Participant, the Company shall pay
or cause to be paid to such Participant (or his or her Beneficiary in the case
of his or her death) supplemental RSP benefits calculated as described below.
The Company shall periodically determine the amount of any additional Employer
matching contributions that would have been credited to a Participant's account
under the RSP if his or her current election of Participant contributions had
been given effect and no adjustment of such contributions had occurred due to:

                  (a) the maximum dollar limit under Code Section 415(c)(1)(A)
         on RSP annual additions,

                  (b) the maximum limit under Code Section 401(a)(17) on the
         compensation taken into account under the RSP,

                  (c) any further reductions in the compensation taken into
         account under the RSP as a result of any deferrals of compensation
         elected by the Participant pursuant to Section 125 or Section 401(k) of
         the Code or under the Deferred Compensation Plans.

         From time to time, as determined by the Management Committee, the
Company shall allocate amounts equal to such additional Employer matching
contributions to a ledger account (the "Memorandum Account") to be established
in the El Paso Corporation Deferred Compensation Plan, as it may be amended (the
"Deferred Compensation Plan") for the Participant as of the time or times that
such amounts would have been contributed to the RSP if permitted thereunder.
Interest or earnings/losses, as applicable, will be credited to the balance in
each Participant's Memorandum Account on a semi-monthly basis or at such other
intervals as may be determined by the Management Committee. The Management
Committee shall determine the rate of interest or earnings/losses periodically
and in so doing may take into account the earnings, losses, appreciation or
depreciation attributable to any discretionary investment made pursuant to
Section 6.2, and any other factors it deems appropriate. Notwithstanding any
other provision to the contrary, any and all supplemental RSP benefits
determined pursuant to this Plan shall be credited to the Deferred Compensation
Plan.

         Supplemental RSP benefits under this Section 5.2 shall be vested and
nonforfeitable to the same extent that the related benefits under the RSP are
vested and nonforfeitable.

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El Paso Corporation                                                       Page 5
Supplemental Benefits Plan
<PAGE>

5.3 OTHER SUPPLEMENTAL BENEFITS

         Upon the termination of employment of a Participant, the Company shall
pay or cause to be paid to such Participant (or his or her Beneficiary in the
case of his or her death) other supplemental benefits as determined by the Board
and contained in any other plan or program maintained by the Company or in the
Participant's employment contract or other agreement with the Company. Other
supplemental benefits under this Section 5.3 shall be vested and nonforfeitable
to the extent provided in the applicable plan or program maintained by the
Company or the Participant's employment contract or other agreement with the
Company.

5.4 TIME AND MANNER OF PAYMENT

         The payment of any benefits shall be made as provided below. Such
payment or payments shall constitute a complete discharge of all obligations to
the Participant and his or her Surviving Spouse or Beneficiary under the Plan.

                  (a) Supplemental Pension Benefit Payments. The amount of the
         payments under this subparagraph 5.4(a) shall be determined pursuant to
         Section 5.5.

                           (i) The payment of any supplemental benefits pursuant
                  to Section 5.1 owed to a Participant (or his or her Surviving
                  Spouse) shall be made in a lump sum if such Participant (A)
                  terminates employment with the Employer prior to attaining age
                  55, or (B) dies while employed with the Employer. The payment
                  shall be made as soon as practicable after the Participant's
                  termination of employment with the Employer or death.

                           (ii) In the absence of a valid, irrevocable election
                  made by a Participant pursuant to the provisions described in
                  (iii) below, the payment of any supplemental pension benefits
                  pursuant to Section 5.1 owed to a Participant who terminates
                  employment with the Employer after attaining age 55 shall be
                  made in a lump sum as soon as practicable after the
                  Participant terminates employment with the Employer. The
                  amount of such payments shall be determined under Section 5.5
                  below.

                           (iii) In the case of a benefit payable under Section
                  5.1, the Participant may irrevocably elect one of the forms of
                  payment described in (iv) below. Such election must be made by
                  the Participant before the later of (A) the date the
                  Participant attains age 53, or (B) 30 days after becoming a
                  Participant. For such election to become effective, the
                  Participant must remain in continuous active employment with
                  the Employer for at least two years or, in the case of an
                  election made pursuant to clause (B), such Participant must
                  remain in continuous active employment for a minimum of six
                  months following such election. In no

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Supplemental Benefits Plan
<PAGE>

                  event will an election become effective if the Participant
                  terminates employment with the Employer prior to attaining age
                  55, or dies in service.

                           (iv) A Participant may elect only one of the
                  following forms of payment:

                                    (A) A lump sum;

                                    (B) Monthly payments made over a five-year
                                    period, notwithstanding the earlier death of
                                    the Participant;

                                    (C) Monthly payments made over a ten-year
                                    period, notwithstanding the earlier death of
                                    the Participant; or

                                    (D) Monthly payments made over the remaining
                                    life of the Participant.

                  In the case of option (A), payment will be made as soon as
         practicable after the Participant's termination of employment with the
         Employer. In the case of (B), (C) and (D), monthly payments will
         commence as soon as practicable after the Participant's termination of
         employment with the Employer.

                  (b) Supplemental RSP Benefit Payments. The payment of any
         supplemental RSP benefits pursuant to Section 5.2 owed to a Participant
         (or his or her Beneficiary) shall be made in a lump sum as soon as
         practicable after the Participant's termination of employment with the
         Employer and shall be in an amount equal to the Participant's
         Memorandum Account balance at the time of such payment, subject to
         other applicable terms and conditions of the Deferred Compensation Plan
         (other than the time and manner of payment).

                  (c) Other Supplemental Benefit Payments. The payment of any
         other supplemental benefits pursuant to another plan or program
         maintained by the Company or a Participant's employment contract or
         other agreement with the Company under Section 5.3 shall be made as
         provided in such other applicable plan, program, employment contract or
         agreement.

5.5 DETERMINATION OF SUPPLEMENTAL PENSION BENEFIT PAYMENTS

         The amount of a payment of supplemental pension benefits pursuant to
Section 5.1 to a Participant (or his or her Surviving Spouse in the event of the
Participant's termination of employment on account of death) shall be determined
by calculating the benefit according to the terms of the Pension Plan as a
single life annuity. If another form of payment is payable, the amount under
such form shall be actuarially equivalent to such single life benefit using the
interest rate and mortality assumptions for calculating lump sum distributions
under the Pension Plan.

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El Paso Corporation                                                       Page 7
Supplemental Benefits Plan
<PAGE>

5.6 PROVISIONS REGARDING CERTAIN FORMER SONAT EMPLOYEES

                  (a) DEFINITIONS. For purposes of this Section 5.6:

                  "Actuarial Equivalent" shall mean a benefit actuarially equal
         in value to the value of a given benefit in a given form or schedule,
         based upon (1) the 1983 Group Annuity Mortality Table and (2) an
         interest rate equal to 5.24% (the yield on new 7-12 year AA-rated
         general obligation tax-exempt bonds as determined by Merrill Lynch &
         Co. (or its affiliates) and published in The Wall Street Journal on
         December 30, 1999, all as set forth in the Sonat Supplemental Plan).

                  "Eligible Spouse" shall mean the person who was married to the
         Participant under the laws of the State where the marriage was
         contracted throughout the one-year period ending on December 31, 1999.

                  "Sonat Retirement Plan" shall mean the Sonat Inc. Retirement
         Plan, as in effect as of December 31, 1999.

                  "Sonat Supplemental Plan" shall mean the Sonat Inc.
         Supplemental Benefit Plan, as in effect on December 31, 1999.

                  "Credited Service," "Retirement Benefit," "Survivors Benefit,"
         "Termination of Employment," "Vested Benefit," "Vesting Date" and
         "Vesting Service" shall have the meanings set forth in the Sonat
         Retirement Plan.

                  (b) SUPPLEMENTAL PENSION BENEFITS. Upon termination of
         employment of a Participant who (1) was a Participant in this Plan on
         January 1, 2000, and (2) was a "Participant" in Article II of the Sonat
         Supplemental Plan, the supplemental pension benefits payable under this
         Plan, when expressed in the form of a cash lump sum, shall equal the
         greater of (A) the amount determined pursuant to Section 5.1
         (calculated in lump sum form as provided in Section 5.5), and (B) the
         Sonat Preserved Benefit (as defined below).

                  The Sonat Preserved Benefit, expressed in the form of a cash
         lump sum, shall be equal to the sum of:

                           (i) the Actuarial Equivalent of the excess, if any,
                  of (1) the amount that hypothetically would have been payable
                  to the Participant as a Retirement Benefit or a Vested
                  Benefit, as the case may be, under the Sonat Retirement Plan
                  if Sections 401(a)(17) and 415 of the Code were nonexistent
                  and the provisions of the Sonat Retirement Plan incorporating
                  the limitations contained in Sections 401(a)(17) and 415 of
                  the Code were inoperative, over (2) the amount which
                  hypothetically would have been payable to the Participant as a
                  Retirement Benefit or Vested Benefit, as the case may be,
                  under the Sonat Retirement Plan upon application of the actual
                  terms of the Sonat Retirement Plan, assuming that for purposes
                  of

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El Paso Corporation                                                       Page 8
Supplemental Benefits Plan
<PAGE>

                  clauses (1) and (2) that (A) the Participant had a Termination
                  of Employment (other than death) on December 31, 1999, (B) the
                  Participant elected to receive such Retirement Benefit or
                  Vested Benefit in the form of a single life annuity commencing
                  on the earliest date on which the Participant could have
                  commenced receipt of his Retirement Benefit or Vested Benefit,
                  as the case may be, under the terms of the Sonat Retirement
                  Plan, and taking into account the repeal of Code Section
                  415(e); plus

                           (ii) if the Participant is entitled to a Retirement
                  Benefit and had an Eligible Spouse on December 31, 1999, the
                  Actuarial Equivalent of the excess, if any, of (1) the amount
                  that hypothetically would have been payable to the Eligible
                  Spouse as a Survivors Benefit under the Sonat Retirement Plan
                  upon the death of the Participant if Sections 401(a)(17) and
                  415 of the Code were nonexistent and Section 7.10 and the
                  provisions of the Sonat Retirement Plan incorporating the
                  limitations contained in Sections 401(a)(17) and 415 of the
                  Code were inoperative, over (2) the amount which
                  hypothetically would have been payable to the Eligible Spouse
                  as a Survivors Benefit under the Sonat Retirement Plan upon
                  application of the actual terms of the Sonat Retirement Plan,
                  with such excess to be valued as a reversionary annuity,
                  payable immediately upon the death of the Participant, and
                  taking into account the repeal of Code Section 415(e).

                  (c) SUPPLEMENTAL RSP BENEFITS. Each person who (i) was a
         "Participant" in Article III of the Sonat Supplemental Plan and (ii) is
         a Participant in this Plan on January 1, 2000 shall have credited to a
         Memorandum Account established under Section 5.2 an amount equal to the
         sum of (a) the balance of his Accounts in the Sonat Supplemental Plan
         on December 31, 1999 (determined as set forth in Section 3.2(c) of the
         Sonat Supplemental Plan) plus (b) the amount of any credits made under
         Section 3.2(a) of the Sonat Supplemental Plan in 2000 with respect to
         pay periods ending before January 1, 2000. Such credit shall be made
         effective as of January 1, 2000, shall initially be credited to an
         Interest Account (as defined in the El Paso Corporation Deferred
         Compensation Plan) and shall be paid as provided in such Plan.

                  (d) VESTING BENEFITS. Upon termination of employment (other
         than death) after December 31, 1999 of an employee (whether or not a
         Participant in this Plan) who was a "Participant" in Article IV of the
         Sonat Supplemental Plan, such employee shall be entitled to a Vesting
         Benefit, payable in the form of a cash lump sum that is equal in amount
         to the Actuarial Equivalent of the excess, if any, of (i) the amount
         hypothetically payable to the employee as a Vested Benefit under the
         Sonat Retirement Plan if (x) Section 5.01 of the Sonat Retirement Plan
         were hypothetically amended to provide a Vesting Date based on a period
         of Vesting Service equivalent to the actual Vesting Service of the
         employee, and (y)

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Supplemental Benefits Plan
<PAGE>

         Sections 401(a)(17) and 415 of the Code were nonexistent and the
         provisions of the Sonat Retirement Plan incorporating the limitations
         contained in Sections 401(a)(17) and 415 of the Code were inoperative,
         over (ii) the amount payable as a Vested Benefit under the Sonat
         Retirement Plan, assuming for purposes of clauses (i) and (ii) that (A)
         the employee had a Termination of Employment (other than death) on
         December 31, 1999, and (B) the employee commenced receiving benefits
         under such clause in the form of a single life annuity on the earliest
         date on which the employee could have commenced receipt of a Vested
         Benefit under the Sonat Retirement Plan (had he or she been entitled to
         such Benefit). The grant of Vesting Benefits shall not increase the
         employee's Credited Service under the Sonat Retirement Plan. Such cash
         lump-sum payment shall be paid as soon as practicable (and within 30
         days) after the employee's Termination of Employment.

                  The Vesting Benefit payable under this Section 5.6(d) shall be
         reduced (but not below $0) by (1) any amounts payable to the employee
         (when expressed as a cash lump sum) under Section 5.1 of the Plan, and
         (2) by any amount paid to the employee under Section 8.5(c) of the
         Sonat Supplemental Plan.

5.7 PROVISIONS REGARDING CERTAIN FORMER COASTAL EMPLOYEES

                  (a) DEFINITIONS. For purposes of this Section 5.7:

                  "Actuarial Equivalent" shall mean any one of two or more
         benefits of equivalent value as determined actuarially on the basis of
         such rate of interest and rates of mortality as shall have been adopted
         for such purpose.

                  "Coastal Pension Plan" shall mean the Pension Plan for
         Employees of The Coastal Corporation or the Coastal Coal Company, LLC
         Pension Plan, as in effect as of January 29, 2001.

                  "Coastal Replacement Pension Plan" shall mean The Coastal
         Corporation Replacement Pension Plan, as in effect as of January 29,
         2001.

                  "Retirement Income" shall mean a pension or any other payment
         or payments payable under the terms of the Coastal Pension Plan.

                  (b) SUPPLEMENTAL PENSION BENEFITS. Upon termination of
         employment of a Participant who (1) was a Participant in this Plan on
         January 29, 2001, and (2) was a "Participant" in the Coastal
         Replacement Pension Plan, the supplemental pension benefits payable
         under this Plan, when expressed in the form of a cash lump sum, shall
         equal the greater of (A) the amount determined pursuant to Section 5.1
         (calculated in lump sum form as provided in Section 5.5), and (B) the
         Coastal Preserved Benefit (as defined below).

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Supplemental Benefits Plan
<PAGE>

                  The Coastal Preserved Benefit, expressed in the form of a cash
         lump sum, shall be equal to the sum of the Actuarial Equivalent of the
         excess, if any, of (1) the amount that hypothetically would have been
         payable to the Participant as Retirement Income under the Coastal
         Pension Plan if Sections 401(a)(17) and 415 of the Code were
         nonexistent and the provisions of the Coastal Pension Plan
         incorporating the limitations contained in Sections 401(a)(17) and 415
         of the Code were inoperative, over (2) the amount which hypothetically
         would have been payable to the Participant as Retirement Income under
         the Coastal Pension Plan upon application of the actual terms of the
         Coastal Pension Plan, assuming for purposes of clauses (1) and (2) that
         (A) the Participant had a Termination of Employment (other than death)
         on January 29, 2001, and (B) the Participant elected to receive such
         Retirement Income in the form of a single life annuity commencing on
         the earliest date on which the Participant could have commenced receipt
         of his Retirement Income under the terms of the Coastal Replacement
         Pension Plan.

                          SECTION 6 GENERAL PROVISIONS

6.1 UNFUNDED OBLIGATION

         The supplemental benefits to be paid to Participants and/or their
Surviving Spouses and Beneficiaries pursuant to this Plan are unfunded
obligations of the Company, and shall, until actual payment, continue to be part
of the general funds of the Company. The Company is not required to segregate
any monies from its general funds, or to create any trusts, or to make any
special deposits with respect to these obligations. Beneficial ownership of any
investments, including trust investments, which the Company may make to fulfill
these obligations shall at all times remain in the Company. Any investments and
the creation or maintenance of any trust or memorandum accounts shall not create
or constitute a trust or a fiduciary relationship between the Management
Committee or the Employer and a Participant, or otherwise create any vested or
beneficial interest in any Participant or his or her Surviving Spouse or
Beneficiary or his or her creditors in any assets of the Employer whatsoever.
The Participants and their Surviving Spouses and Beneficiaries shall have no
claim against the Employer for any changes in the value of any assets which may
be invested or reinvested by the Company with respect to this Plan.

6.2 DISCRETIONARY INVESTMENT BY COMPANY

         The Management Committee, after consulting with the actuary employed by
the Company in conjunction with the Pension Plan, may from time to time direct
the investment by the Company of an amount sufficient to meet all or such
portion of the supplemental benefits to be paid under this Plan as the
Management Committee, in its sole discretion, shall determine. The Management
Committee may in its sole discretion determine that all or some portion of the
amount to be invested shall be paid into one or

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El Paso Corporation                                                      Page 11
Supplemental Benefits Plan
<PAGE>

more grantor trusts to be established by the Employer of which it shall be the
Beneficiary, and to the assets of which it shall become entitled as and to the
extent that Participants (or their Surviving Spouses or Beneficiaries in the
case of their deaths) receive benefits under this Plan. The Management Committee
may designate an investment advisor to direct investments and reinvestments of
the funds, including investments of any grantor trusts hereunder.

6.3 INCAPACITY OF PARTICIPANT, SURVIVING SPOUSE OR BENEFICIARY

         If the Management Committee finds that any Participant, Surviving
Spouse or Beneficiary to whom a payment is payable under the Plan is unable to
care for his or her affairs because of illness or accident or is under a legal
disability, any payments due (unless a prior claim therefor shall have been made
by a duly appointed legal representative) at the discretion of the Management
Committee may be paid to the spouse, child, parent or brother or sister of such
Participant, Surviving Spouse or Beneficiary, or to any person whom the
Management Committee has determined has incurred expense for such Participant,
Surviving Spouse or Beneficiary. Any such payment shall be a complete discharge
of the obligations of the Company under the provisions of the Plan.

6.4 NONASSIGNMENT

         The right of a Participant or his or her Surviving Spouse or
Beneficiary to the payment of any amounts under the Plan may not be assigned,
transferred, pledged or encumbered nor shall such right or other interests be
subject to attachment, garnishment, execution or other legal process, except
that any right of a Participant or Beneficiary to the payment of any amounts
under the Plan may be waived, released or otherwise relinquished by a
Participant to enable such Participant to receive similar benefits under another
plan or program maintained by the Company.

6.5 NO RIGHT TO CONTINUED EMPLOYMENT

         Nothing in the Plan shall be construed to confer upon any Participant
any right to continued employment with the Company or a subsidiary nor interfere
in any way with the right of the Company or a subsidiary to terminate the
employment of such Participant at any time without assigning any reason
therefor.

6.6 WITHHOLDING TAXES

         Provision shall be made for the withholding of taxes under the Federal
Insurance Contributions Act as required by regulations and appropriate income
taxes shall be withheld from payments made to Participants pursuant to this
Plan.

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El Paso Corporation                                                      Page 12
Supplemental Benefits Plan
<PAGE>

6.7 TERMINATION AND AMENDMENT

         The Board or the Compensation Committee may from time to time amend,
suspend, or terminate the Plan, in whole or in part, and if the Plan is
suspended or terminated, the Board or the Compensation Committee may reinstate
any or all of its provisions. The Management Committee may amend the Plan
provided that it may not suspend or terminate the Plan, substantially increase
the administrative cost of the Plan or increase the obligations of the Company,
or expand the classification of employees who are eligible to participate in the
Plan. No amendment, suspension or termination may, however, impair the right of
a Participant or his or her Surviving Spouse or Beneficiary to receive the
supplemental benefits accrued prior to the effective date of such amendment,
suspension or termination. The Board of Directors amended and restated the Plan
effective as of December 7, 2001. The Board of Directors had previously amended
and restated the Plan effective as of August 1, 1998, in connection with the
reorganization of the Company into a holding company structure whereby the
Company became the publicly held company and El Paso Natural Gas Company became
a wholly owned subsidiary. This Plan was assumed by the Company pursuant to an
Assignment and Assumption Agreement effective as of August 1, 1998, by and
between the Company and El Paso Natural Gas Company.

         If the Plan is terminated, Participants, Surviving Spouses and
Beneficiaries who have accrued benefits under the Plan as of the date of
termination will receive payment of such benefits at the times specified in the
Plan. Notwithstanding this or any other provision of the Plan to the contrary,
this Plan may not be terminated so long as the Pension Plan and/or RSP remain in
effect.

6.8 ERISA EXEMPTION

         The portion of this Plan providing benefits in excess of the
limitations of Section 415 of the Code is intended to qualify for exemption from
the Employee Retirement Income Security Act of 1974 ("ERISA") as an unfunded
excess benefit plan under Sections 3(36) and 4(b)(5) of ERISA. The portion of
this Plan providing benefits in excess of the limitation of Section 401(a)(17)
of the Code and other supplemental benefits is intended to qualify for exemption
from Parts II, III and IV of ERISA as a plan maintained primarily for the
purpose of providing deferred compensation for a select group of management or
highly compensated employees under Sections 201(2), 301(a)(3) and 401(a)(1) of
ERISA.

6.9 APPLICABLE LAW

         The Plan shall be construed and governed in accordance with the laws of
the State Texas.

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El Paso Corporation                                                      Page 13
Supplemental Benefits Plan
<PAGE>

         IN WITNESS WHEREOF, the Company has caused the Plan to be amended and
restated effective as of December 7, 2001.

                                           EL PASO CORPORATION

                                           By: /s/ JOEL RICHARDS III
                                              ---------------------------------
                                              Executive Vice President
                                              Human Resources and Administration

ATTEST:

By: /s/ DAVID L. SIDDALL
   -------------------------------
Title: Corporate Secretary

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El Paso Corporation                                                      Page 14
Supplemental Benefits Plan

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