Document:

Exhibit 10.51

      FIRST AMENDMENT TO EXECUTIVE EMPLOYMENT AGREEMENT

     This Agreement, entered into and made effective as of
February 1, 1999, by and between Enron Corp. an Oregon
corporation ("Company") having its headquarters at 1400
Smith Street, Houston, Texas 77002, Azurix Corp., a Delaware
corporation having its headquarters at 333 Clay Street,
Houston, Texas 77002, and Rebecca P. Mark ("Employee"), an
individual residing in Houston, Texas, is an amendment to
that certain Executive Employment Agreement between the
Company and Employee entered into the 6th day of May, 1998,
and made effective as of May 4, 1998 (the "Employment
Agreement").

               WHEREAS, the parties desire to amend the
Employment Agreement to provide for assignment of the
Employment Agreement by Company to, and assumption of the
Employment Agreement by, Enron Corp. and Azurix Corp.,
respectively, and to make other amendments to the Employment
Agreement as provided herein;

     NOW, THEREFORE, in consideration thereof and of the
mutual covenants contained herein, the parties agree as
follows:

          1.  Effective February 1, 1999, the Employment
          Agreement  is  assigned  by  Company  to,  and
          assumed  by,  Enron  Corp. and  Azurix  Corp.,
          respectively.  Any reference to the  "Company"
          and/or  "Employer" in the Employment Agreement
          shall  mean  Enron  Corp.  and  Azurix  Corp.,
          respectively.   Employee  consents   to   such
          assignment   and  assumption,   and   releases
          Company   from  every  obligation  under   the
          Employment Agreement.  Enron Corp. and  Azurix
          Corp.,   respectively,   each    assume    the
          obligations  of Enron Corp. and Azurix  Corp.,
          under the Employment Agreement.

          2.   Article 3, Section 3.5 is hereby  deleted
          in  its  entirety  and the following  language
          inserted in its entirety:

               "3.5 Upon an Involuntary Termination of
     the employment relationship by either Employer or
     Employee prior to the expiration of the Term,
     Employee shall be entitled, in consideration of
     Employee's continuing obligations hereunder after
     such termination (including, without limitation,
     Employee's non-competition obligations), to
     receive the compensation specified in Section 2.1,
     as well as unpaid Bonuses described on Exhibit
     "A", as if Employee's employment (which shall
     cease on the date of such Involuntary Termination)
     had continued for the full Term of this Agreement.
     Upon an Involuntary Termination, Employee shall
     also be entitled to all vested benefits and rights
     under other Enron benefits, incentive, and/or
     compensation plans to which Employee may be
     entitled through her termination and pursuant to
     plan documents and all other benefits that
     Employee may be entitled to under any other
     compensation plans.  In the event of Involuntary
     Termination, the compensation specified in Section
     2.1 that will be paid to Employee will be paid on
     a semi-monthly basis; the unpaid Bonuses described
     in Exhibit "A" will be paid annually and the
     amounts under the compensation plans will be paid
     in accordance with the terms and provisions of the
     respective compensation plans.  Employee shall not
     be under any duty or obligation to seek or accept
     other employment following Involuntary Termination
     and the amounts due Employee hereunder shall not
     be reduced or suspended if Employee accepts subse
     quent employment.  Employee's rights under this
     Section 3.5 are Employee's sole and exclusive
     rights against Employer, Enron, or their
     affiliates, and Employer's sole and exclusive
     liability to Employee under this Agreement, in
     contract, tort, or otherwise, for any Involuntary
     Termination of the employment relationship.
     Employee covenants not to sue or lodge any claim,
     demand or cause of action against Employer for any
     sums for Involuntary Termination other than those
     sums specified in this Section 3.5.  If Employee
     breaches this covenant, Employer shall be entitled
     to recover from Employee all sums expended by
     Employer (including costs and attorneys fees) in
     connection with such suit, claim, demand or cause
     of action."

          3.   Article 3, Section 3.8 is hereby  deleted
          in  its  entirety  and the following  language
          inserted in its entirety:

               "3.8 Notwithstanding any provision
     herein to the contrary, upon a termination of
     Employee's employment under any of the
     circumstances described in Sections 3.6 or 3.7
     above, Employee shall be entitled to receive a pro-
     rata annual bonus payment through the date of such
     termination of employment.  Further, upon
     termination of Employee's employment under any of
     the circumstances described in Sections 3.5, 3.6,
     or 3.7, Employee shall become fully vested in
     specific grants and awards made or awarded to
     Employee under long term incentive plans
     maintained solely by Enron Corp. and its
     affiliates; provided however, any grants and
     awards made or awarded under the Azurix Corp. 1999
     Stock Plan shall be excluded and governed by the
     terms and provisions of the respective grants and
     awards under the Azurix Corp. 1999 Stock Plan."

          4.  Exhibit "A" to the Employment Agreement is
          hereby   deleted  in  its  entirety  and   the
          attached  Exhibit  "A"  is  inserted  in   its
          entirety.

     This Amendment is a First Amendment to the Employment
Agreement, and the parties agree that all other terms,
conditions and stipulations contained in the Employment
Agreement, and any amendments thereto, shall remain in full
force and effect and without any change or modification,
except as provided herein.

     In Witness Whereof, the parties have duly executed this
Agreement as of the date first above written.

                               ENRON CORP.

                               By: /s/ KENNETH L. LAY
                               Name:  Kenneth L. Lay
                               Title: Chairman & CEO
                               This 10th day of March, 1999

                              AZURIX CORP.

                              By: /s/ PHILIP J. BAZELIDES
                              Name:
                              Title:
                              This 1st day of March, 1999

                              REBECCA P. MARK

                              /s/ REBECCA P. MARK
                              This 1st day of March, 1999

                       EXHIBIT "A" TO
               EXECUTIVE EMPLOYMENT AGREEMENT
      BETWEEN ENRON CORP., AZURIX CORP., AND REBECCA P. MARK

Employee Name:      Rebecca P. Mark

Term:               Effective February 1, 1999 through
                    December 31, 2001

Position:           Vice Chairman, Enron Corp., and Chairman
                    and
                    Chief Executive Officer of Azurix Corp.

Location:           Houston, Texas

Reporting Relationship:  Reports to Office of the Chairman,
Enron Corp.

Monthly Base Salary:     Fifty-Nine Thousand One Hundred
                         Sixty Six Dollars and Sixty Seven Cents
                         ($59,166.67)

  Bonus:    Employee shall be eligible to participate in
  the Enron Corp. Annual Incentive Plan ("Plan") and/or any
  replacement plan of Azurix Corp.  All bonuses shall be
  paid in accordance with the terms and provisions of the
  Plan, a portion of which may be paid in cash, and a
  portion of which may be paid in stock or stock options.
  All Azurix bonuses paid shall be based upon the
  performance of Azurix Corp. and Employee as determined by
  the Board of Directors of Azurix Corp. and Enron bonuses
  shall be based upon the performance of Enron Corp. and
  Employee as determined by the Board of Directors of Enron
  Corp.

Long Term Incentive Plan: Employee shall be eligible to
                         participate in either 1) the Enron
                         Corp. Long Term Incentive Plan or
                         2) an equity participation plan
                         related to Enron's interest in a
                         new water company.  At the sole
                         discretion of the Chairman of the
                         Board of Employer, Employee may be
                         eligible to participate in both
                         plans.

                               ENRON CORP.

                               By: /s/ KENNETH L. LAY
                               Name:  Kenneth L. Lay
                               Title: Chairman & CEO
                               This 10th day of March, 1999

                              AZURIX CORP.

                              By: /s/ PHILIP J. BAZELIDES
                              Name:
                              Title:
                              This 1st day of March, 1999

                              REBECCA P. MARK

                              /s/ REBECCA P. MARK
                              This 1st day of March, 1999Exhibit 10.53

         AMENDMENT TO EXECUTIVE EMPLOYMENT AGREEMENT
          BETWEEN ENRON CORP. AND JOSEPH W. SUTTON

     This Agreement, made, entered into and effective as of
the 5th day of May, 1999 (the "Effective Date"), by and
between Enron Corp., an Oregon corporation, having offices
at 1400 Smith Street, Houston, Texas 77002 ("Employer"), and
Joseph W. Sutton, an individual currently residing at  31
Half Moon Court, The Woodlands, Texas 77380 ("Employee"), is
an amendment to that certain Executive Employment Agreement
between Enron Corp. and Employee, effective the 23rd day of
June, 1998 (the "Executive Employment Agreement").

     WHEREAS, the parties desire to amend the Executive
Employment Agreement to change the provisions for Long Term
Incentive Compensation in Exhibit A thereto;

     NOW, THEREFORE, in consideration of the covenants
contained herein, and for other good and valuable
consideration, the parties agree as follows:

     1.   The provision for Long Term Incentive Compensation in
Exhibit A to the Executive Employment Agreement is deleted
and the following is inserted in its place:

     "Long Term Incentive Compensation:

     Employee shall receive the following long term
     incentive compensation.

     For 1998: (1) a grant pursuant to the Enron Corp. 1991
     Stock Plan ("91 Stock Plan") of Restricted Stock in
     January, 1999, or in January of a subsequent year if
     the following cumulative provisions apply, having a
     grant value of $1,060,000 and conditioned on Enron
     International meeting at least 80% of its 1998 after
     tax net income target ("80% Target"); such 80% Target
     shall be a cumulative percentage over a five year
     period beginning with 1998 so that if the employee
     misses a target in any single year, the employee shall
     have the ability to receive such a grant in a future
     year based on a cumulative year average of 80% or
     greater; such a grant of Restricted Stock shall vest
     25% on the date of grant and thereafter, conditioned on
     Employee's continued employment with Employer, in
     annual 25% increments on the anniversary dates of said
     grant, and (2) a grant pursuant to the '91 Stock Plan
     of 100,000 Stock Options made at the time of entering
     into this Agreement, to vest, conditioned on Employee's
     continued employment with Employer, in increments of
     25% on December 31 on each of the next four years.

     For years 1999 through 2002, Employee shall be granted
     Stock Options pursuant to the '91 Stock Plan having a
     value based on Black Scholes (as determined annually by
     the Compensation Committee of the Enron Corp. Board of
     Directors similar to other Enron Corp. executives) of
     $1,060,000 for each year.  For example if the Black
     Scholes value of an Enron Corp. Stock Option was
     $10.60, Employee would receive 100,000 Stock Options
     ($1,060,000/$10.60)  These Stock Options will be
     granted on 12/31/98, 12/31/99, 12/31/00, and 12/31/01
     and shall vest, conditioned on Employee's continued
     employment with Employer, in 25% increments on December
     31 of each of the four years following the date of
     grant.

     Employee shall also receive grants pursuant to the '91
     Stock Plan of Restricted Stock in January 2000, 2001,
     2002 and 2003, or in January of a subsequent year (but
     no subsequent year later than January 2003) if the
     following cumulative provision apply, each having a
     grant value of $1,060,000, conditioned on Enron
     International meeting at least 80% of its after tax net
     income target ("80% Target") for calendar years 1999,
     2000, 2001 and 2002, respectively.  Such 80% Target
     shall be a cumulative percentage over the five year
     period (1998 - 2002) so that if an 80% Target is not
     met for any single year, during the 1998 - 2002 period,
     Employee may become eligible to receive such grant for
     such a missed year if the cumulative average of such
     80% Targets for such missed year and prior or
     subsequent year(s) during this 1998 - 2002 period meets
     or exceeds the cumulative 80% Targets.  Such grants of
     Restricted Stock will vest 25% on the date of grant and
     thereafter, conditioned on Employee's continued
     employment with Employer, in annual 25% increments on
     the anniversary dates of such grants.

     Each grant of long term incentive compensation pursuant
     to the '91 Stock Plan shall have standard termination
     provisions and be evidenced by a written award
     agreement."

     2.  This Agreement is an amendment to the Executive
Employment Agreement, and the parties agree that all other
terms, conditions and stipulations contained in the
Executive Employment Agreement shall remain in full force
and effect and without any change or modification, except as
provided herein.

     IN WITNESS WHEREOF, the parties have duly executed this
Agreement as of the Effective Date.

                              ENRON CORP.

                              By: /s/ MARY K. JOYCE
                              Name:   Mary K. Joyce
                              Title:  Vice President
                              This ____ day of ______, 1999

                              JOSEPH W. SUTTON

                              /s/ JOSEPH W. SUTTON
                              This____ day of ______, 1999

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