Document:

Exhibit 10.4

                              AMENDED AND RESTATED
                                CHANGE IN CONTROL
                               SEVERANCE PAY PLAN
                         OF HOME-STAKE OIL & GAS COMPANY

          Amended and Restated effective the 4th day of November, 1999
       ------------------------------------------------------------------

     THIS AMENDED AND  RESTATED  CHANGE IN CONTROL  SEVERANCE  PAY PLAN OF HOME-
STAKE OIL & GAS COMPANY (the "Plan") amended and restated effective this 4th day
of November, 1999, by HOME-STAKE OIL & GAS COMPANY (the "Company").

     WITNESSETH:

     WHEREAS,  the Company  adopted The  Home-Stake  Oil & Gas Company Change in
Control  Severance Pay Plan (the "Original Plan") effective as of March 1, 1992;
and

     WHEREAS,  the  Company  adopted the  Original  Plan in  recognition  of the
possibility  that the stock or  assets  of the  Company  may be  acquired  by an
unrelated entity,  and that such  possibility,  and the uncertainty which it may
raise  for the  employees  of the  Company,  could  result in the  departure  or
distraction  of employees of the Company to the detriment of the Company and its
shareholders; and

     WHEREAS, the Board of Directors of the Company adopted the Original Plan to
encourage the continued attention and dedication of the employees of the Company
to their duties without  distraction in the face of potential changes in control
of the Company; and

     WHEREAS,  the Company  continues to desire to provide for  severance pay in
the event of such change of control, pursuant to the terms and provisions of the
Plan; and

     WHEREAS,  in Section  5.6 of ARTICLE V of the  Original  Plan,  the Company
reserved the right to modify or amend the Plan or any  provision  thereof at any
time; provided, however, that no such change should decrease any accrued benefit
after the  occurrence of a Change in Control,  as defined in the Original  Plan;
and

     WHEREAS, no such Change in Control has occurred; and

     WHEREAS,  effective  February 5, 1998, the Company amended and restated the
Original Plan; and

     WHEREAS, the Company desires to further change certain terms and provisions
of the Original Plan and to again amend and restate the same;

     NOW THEREFORE, in consideration of the premises and other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, the
Company hereby amends and restates the Original Plan, as previously  amended and
restated, to read as follows:

                                    ARTICLE I

                                   DEFINITIONS

     1.1.  "Change in Control" shall mean that (A) all or  substantially  all of
the assets of the  Company  are sold,  transferred,  assigned  to, or  otherwise
acquired by any entity (or entities)  which is unrelated to the ownership of the
Company;  or (B) all or  substantially  all of the stock of the Company is sold,
transferred,  assigned  to, or  otherwise  acquired by any entity (or  entities)
which is unrelated to the ownership of the Company,  including,  but not limited
to, a transfer by operation  of law in a merger,  consolidation  or  acquisition

                                       -1-

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involving the Company.  The  determination of whether (i) there is a transfer of
substantially  all of the assets or stock of the  Company  and (ii)  whether the
acquiring  entity (or  entities) is  unrelated  to the  ownership of the Company
shall be within the sole discretion of the Board of Directors of the Company.  A
Change in Control does not occur in the event that the Company makes a reduction
in the size of its Employee staff.

     1.2. "Code" shall mean the Internal  Revenue Code of 1986, as amended,  and
successor tax laws.

     1.3.  "Committee"  shall  mean  the  persons  designated  by the  Board  of
Directors of the Company as the  Administrative  Committee for the Plan pursuant
to paragraph 4.1 of ARTICLE IV hereof.

     1.4. "Company" shall mean Home-Stake Oil & Gas Company,  its successors and
assigns.

     1.5.  "Eligible  Employee"  shall mean any  Employee,  other than Robert C.
Simpson and Chris K.  Corcoran,  who is receiving  Salary for personal  services
rendered to the Company (or who would be receiving such renumeration  except for
a Leave of Absence).

     1.6.  "Employee"  shall  mean any  full-time,  common law  employee  of the
Company and shall not include persons engaged as independent contractors.

     1.7.  "ERISA"  shall mean the Employee  Retirement  Income  Security Act of
1974, as amended, and regulations issued pursuant thereto.

     1.8.  "Leave of Absence"  shall mean any absence  authorized by the Company
under its standard personnel practices,  provided that all persons under similar
circumstances shall be treated alike in the granting of such authorized Leave of
Absence.

     1.9. "Plan" shall mean this Change in Control  Severance Pay Plan as herein
set forth and as it may be further amended from time to time.

     1.10. "Plan  Administrator"  shall mean the Chairman of the  Administrative
Committee.

     1.11.  "Monthly  Salary"  shall mean the total  salary which an Employee is
paid or entitled to be paid during any  calendar  month for the  performance  of
duties for the  Company,  determined  immediately  prior to a Change in Control.
Salary  shall  not  include  any  retirement,  bonus or fringe  benefit  amounts
received by or paid to or for the benefit of an Employee.

     1.12.  "Year of  Vesting  Service"  shall mean a  twelve-consecutive  month
period of service with the Company  commencing  on the date on which an Eligible
Employee  is  first  credited  with an  Hour  of  Service  or  commencing  on an
anniversary thereof,  during which an Eligible Employee completes at least 1,000
Hours of Service.  However,  if an Eligible  Employee does not complete at least
1,000 Hours of Service in the first such period,  a Year of Vesting Service will
be any calendar year during which an Eligible Employee  completes at least 1,000
Hours of Service starting with the calendar year which begins  immediately after
the Eligible  Employee's date of hire. For purposes of this paragraph,  "Hour of
Service"  means an hour of employment by the Company (or any  predecessor of the
Company)  for  which  an  Eligible  Employee  is  entitled  to  payment  for the
performance  of  services,  including  each  hour  during  which no  duties  are
performed due to vacation,  holiday, illness, incapacity (including disability),
layoff, jury duty, leave of absence,  maternity or paternity,  and each hour for
which back pay  (irrespective  of  mitigation  of damages) is either  awarded or
agreed to by the Company.

                                   ARTICLE II

                             SEVERANCE PAY CONDITION

     2.1.  Severance Pay Condition.  Eligible Employees who are Employees of the
Company on the date of a Change in Control of the  Company  shall be entitled to
severance pay pursuant to the Plan.

                                       -2-

<PAGE>

                                   ARTICLE III

                                SEVERANCE PAYMENT

     3.1.  Severance Pay.  Eligible  Employees who qualify for severance payment
pursuant to paragraph  2.1 of ARTICLE II hereof shall  receive a cash payment of
severance  pay in a single lump sum payment on or before the date of a Change in
Control.

     3.2. One Payment Only. In no event shall any Eligible  Employee be entitled
to more than one (1) severance payment under the terms of the Plan.

     3.3.  Amount of Severance  Pay. The following  schedule,  together with the
provisions  of  paragraphs  3.4 and 3.5 of this  ARTICLE  III,  shall be used to
determine the amount of severance pay to be received by an Eligible Employee who
qualifies for severance pay under  paragraph 2.1 of ARTICLE II hereof,  based on
the Eligible  Employee's  Years of Vesting Service and any fraction thereof with
the Company at the time of a Change in Control.

         Years of Vesting Service           Severance Pay Amount
         ----------------------------       ------------------------------------

         Less than five (5) years           Three (3) times the Monthly Salary

         Five (5) years or more             One (1) times the Monthly Salary for
                                            each Year of  Vesting Service  and a
                                            pro-rata  portion of one (1) Monthly
                                            Salary  for any  fractional  Year of
                                            Vesting Service

     3.4.  Additional  Severance Pay for  Department  Managers.  The  Department
Managers  listed in Exhibit A attached  hereto and made a part hereof shall,  in
addition to the severance pay provided under  paragraph 3.3 of this ARTICLE III,
receive twelve (12) times the Monthly Salary as additional severance pay.

     3.5.  Minimum  and  Maximum  Severance  Pay.   Notwithstanding   the  other
provisions  of this  ARTICLE III, the minimum  amount of the  severance  payment
pursuant to the Plan shall be three (3) times the Monthly Salary and the maximum
amount shall be the lesser of (A)  thirty-six  (36) times the Monthly  Salary or
(B) One  Dollar  ($1.00)  less than the amount  which  would  cause an  Eligible
Employee  to be subject to the excise tax  imposed by Section  4999 of the Code.
The Committee  shall  determine in good faith whether any reduction in severance
pay is required  hereunder by reason of the provisions of Sections 4999 and 280G
of the Code and  such  determination  shall be  conclusive  and  binding  on the
affected Eligible  Employee.  To the extent that any payments are received under
this Plan which would cause an Eligible Employee to be subject to the excise tax
imposed by Section 4999 of the Code,  the Eligible  Employee  shall  immediately
repay such  excess to the Company  upon notice that such excess  amount has been
paid.

                                   ARTICLE IV

                                 ADMINISTRATION

     4.1. Administrative  Committee. The Board of Directors of the Company shall
appoint a Committee for the administration of the Plan consisting of one or more
persons.  Any  Committee  member may,  but need not,  be a Director,  officer or
Employee  of the  Company  and each shall  serve  until his  successor  shall be
appointed in like manner.  Any member of the  Committee may resign by delivering
his written  resignation to the Board of Directors of the Company.  The Board of
Directors may remove any member of the Committee at any time.

     4.2. Powers and Duties. The Committee shall be the "Named Fiduciary" of the
Plan  and  generally  shall  be  responsible  for  the  management,   operation,
interpretation and administration of the Plan. The Committee shall:

                                       -3-

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          (a) Establish  procedures  for allocation of  responsibilities  of the
     Plan which are not allocated herein;

          (b)  Determine  the  names  of those  Employees  who are  eligible  to
     participate  and such other  matters as may be necessary to enable  payment
     under the Plan;

          (c) Construe all terms, provisions,  conditions and limitations of the
     Plan;

          (d)  Correct  any  defect,   supply  any  omission  or  reconcile  any
     inconsistency  that may  appear in the  Plan,  in such  manner  and to such
     extent as it shall  deem  expedient  to carry the Plan into  effect for the
     greatest benefit of all interested parties;

          (e) Determine  the amount,  manner and time of payment of any benefits
     hereunder and prescribe  procedures to be followed by Eligible Employees to
     obtain benefits; and

          (f) Perform such other functions and take such other actions as may be
     required by the Plan or as may be necessary or advisable to accomplish  the
     purposes of the Plan.

The Company shall furnish the Committee with all data and information  available
which the  Committee  may  reasonably  require in order to perform its functions
hereunder.  The  Committee  may rely  without  question  upon  any such  data or
information furnished by the Company.

     4.3.  Agents.  The Committee may appoint a Secretary who may, but need not,
be a member of the Committee,  and may employ such agents for clerical and other
services,  and such counsel,  accountants and other professional advisors as may
be required for the purpose of administering the Plan. The Committee may rely on
all tables,  valuations,  reports,  certificates  and opinions  furnished by its
agents.

     4.4.  Procedures.  A majority of the Committee  members shall  constitute a
quorum for the  transaction of business.  No action shall be taken except upon a
majority vote of the Committee.  An individual shall not vote or decide upon any
matter  relating  solely to himself or vote in any case in which his  individual
right or claim to any benefit under the Plan is  particularly  involved.  In any
case in which a Committee  member is so  disqualified  to act, and the remaining
members  cannot agree on an issue,  the Board of Directors of the Company  shall
appoint a  temporary  substitute  member to  exercise  all of the  powers of the
disqualified member concerning the matter in which he is disqualified.

     4.5. Plan Administrator. The Chairman of the Administrative Committee shall
serve as Plan Administrator for the Plan and shall:

          (a)  Communicate  decisions,  instructions  and other  information  to
     Employees;

          (b) File and distribute all reports,  disclosures, Plan registrations,
     Summary Plan  descriptions  and other  information  required to be filed or
     distributed by law or by the terms of the Plan;

          (c) Have such other duties as are imposed by the Plan; and

          (d) Be the agent for  service  of legal  process  with  respect to the
     Plan.

     4.6. Claims Procedure. In the event that any Employee or beneficiary claims
to be entitled to benefits under the Plan and the Committee determines that such
claim should be denied in whole or in part,  the  Committee  shall,  in writing,
notify such  claimant  within ninety (90) days of receipt of such claim that his
claim has been denied,  setting forth the specific reasons for such denial. Such
notification  shall be written in a manner reasonably  expected to be understood
by such Employee or  beneficiary  and shall set forth the pertinent  sections of
the Plan relied on, and where  appropriate,  an  explanation of how the claimant
can obtain review of such denial.

                                       -4-

<PAGE>

     Within  sixty (60) days after the mailing or delivery by the  Committee  of
such notice, such claimant may request, by mailing or delivery of written notice
to the  Committee,  a review  and/or  hearing by the  Committee  of the decision
denying the claim. If the claimant fails to request such a review and/or hearing
within such sixty (60) day period,  it shall be conclusively  determined for all
purposes of this Plan that the denial of such claim by the Committee is correct.
If such  claimant  requests a hearing  within  such sixty (60) day  period,  the
Committee  shall  designate  a time (which time shall not be less than seven (7)
nor more than  sixty  (60) days from the date of such  claimant's  notice to the
Committee) and a place for such hearing, and shall promptly notify such claimant
of such time and place.  A claimant or his  authorized  representative  shall be
entitled  to inspect  all  pertinent  Plan  documents  and to submit  issues and
comments in writing.  If only a review is  requested,  the  claimant  shall have
sixty (60) days after filing a request for review to submit  additional  written
material  in  support  of the  claim.  After such  review  and/or  hearing,  the
Committee shall promptly  determine whether such denial of the claim was correct
and shall notify such claimant in writing of its determination within sixty (60)
days after  such  review  and/or  hearing  or after  receipt  of any  additional
information  submitted.  If such determination is favorable to the claimant,  it
shall be  binding  and  conclusive.  If such  determination  is  adverse to such
claimant,  it shall be binding and conclusive  unless the claimant  notifies the
Committee  within  ninety (90) days after the mailing or delivery to claimant by
the  Committee  of  its  determination   that  he  intends  to  institute  legal
proceedings  challenging  the  determination  of  the  Committee,  and  actually
institutes  such legal  proceedings  within one hundred  eighty (180) days after
such mailing or delivery.

     4.7.  Indemnification.  The Company shall  indemnify each Committee  member
against any  liability or loss  sustained by reason of any act or failure to act
made in good  faith,  including,  but not  limited  to,  those  in  reliance  on
certificates, reports, tables, opinions or other communications from any Company
or agents  chosen by the  Committee in good faith.  Such  indemnification  shall
include  attorneys'  fees and other costs and  expenses  reasonably  incurred in
defense of any action brought by reason of any such act or failure to act.

                                    ARTICLE V

                                  MISCELLANEOUS

     5.1.  Unfunded Plan. The  obligations of the Company under this Plan may be
funded through  contributions to a trust or otherwise,  but such obligations are
not required to be funded under this Plan.  Nothing contained in this Plan shall
be  interpreted  to grant to any Employee,  any right,  title or interest in any
property of the Company.

     5.2. Impact on Other Employee Benefits. This Plan shall not be construed to
impact or cause the denial of any benefits to which any Employee may be entitled
under any other welfare or benefit plan of the Company; provided,  however, that
all  payments  under  this  Plan  shall  be in lieu of any  payments  under  the
Company's Key Employee Incentive Bonus Plan.

     5.3. No Offsets.  Except as  otherwise  provided in  paragraph  5.2 of this
ARTICLE V, no payment  under this Plan shall be offset by  payments  pursuant to
any other welfare or benefit plan of the Company.

     5.4. Impact on Compensation  Under Other Employee Benefit Plans.  Severance
payments made to an Eligible Employee under this Plan shall not be includible as
salary or  compensation  for  purposes  of  determining  the amount of  employee
benefits under any other retirement,  pension, profit-sharing or welfare benefit
plans of the Company.

     5.5.  Reservation  of Right.  The  Company  expects  to  continue  the Plan
indefinitely, but nevertheless reserves the right to modify or amend the Plan or
any provision  hereof at any time;  provided,  however  that,  after a Change in
Control,  no  modification  or  amendment  hereof  shall in any way decrease any
accrued benefit.

     5.6. Exclusive Benefit. The Plan has been created for the exclusive benefit
of the Employees and their beneficiaries.

                                       -5-

<PAGE>

     5.7.  Governing Law. The construction,  validity and  administration of the
Plan shall be governed by ERISA and the Code, and regulations issued thereunder,
and to the extent not so governed, by the laws of the State of Oklahoma.

     5.8. No Assignment.  The right to receive payment of any benefits under the
Plan  shall not be  transferred,  assigned  or  pledged,  except by  beneficiary
designation,  by will, under the laws of decent and  distribution,  or as may be
otherwise required by law.

     5.9. Taxes.  The Company shall withhold from any payment due under the Plan
any taxes required to be withheld under applicable  Federal,  state or local tax
laws or regulations.

     5.10. Severability.  If any provision of this Plan is found, held or deemed
to be void,  unlawful or  unenforceable  under any  applicable  statute or other
controlling  law,  the  remainder  of the Plan shall  continue in full force and
effect.

     5.11.  Designation of Beneficiary.  Each Employee shall, from time to time,
designate  any person or persons to whom his Plan  benefits  shall be paid if he
dies before  receipt of all of such  benefits;  provided,  however  that,  if an
Employee  designates a person other than his surviving spouse, such spouse shall
be required to consent in writing to such  beneficiary  designation  before such
designation shall be valid and effective.

     5.12.  Headings and  Subheadings.  The headings and subheadings of the Plan
are for  reference  only.  In the  event of a  conflict  between  a  heading  or
subheading  and the  content of an  article  or  paragraph,  the  content  shall
control.

     5.13. Gender. The masculine, as used herein, shall be deemed to include the
feminine  and the  singular  to include  the  plural,  except  where the context
requires a different construction.

     IN WITNESS WHEREOF,  the Company has caused the Plan to be executed the day
and year first above written.

                                           HOME-STAKE OIL & GAS COMPANY

                                           By     /s/ Robert C. Simpson
                                             ----------------------------
ATTEST:                                             President

    /s/ Chris K. Corcoran
   -----------------------
Secretary

                                       -6-

<PAGE>

                                    EXHIBIT A
                         TO HOME-STAKE OIL & GAS COMPANY
                                CHANGE IN CONTROL
                               SEVERANCE PAY PLAN

          The "Department Managers" shall be the following Eligible Employees:

                              Barbara Courtney Long
                                   Mike Evans
                                   Gary Fisher
                                Debra D. Langley
                                Larry S. Tarwater

<PAGE>Exhibit 10.6

AMENDMENT NO. 1 TO:     THE HOME-STAKE OIL & GAS COMPANY
                            1997 INCENTIVE STOCK PLAN

                                November 4, 1999

         To reflect a change to the name of the sponsor of The  Home-Stake Oil &
Gas Company 1997 Incentive Stock Plan (the "Plan") and to clarify a provision of
the  Plan,  the  Board  of  Directors  of Home-  Stake  Oil & Gas  Company  (the
"Company") approved the following amendments to the Plan:

1.   On June 8, 1998,  the name of the Company was changed  from The  Home-Stake
     Oil  &  Gas  Company  to  Home-Stake  Oil &  Gas  Company.  Therefore,  all
     references  in the  Plan,  including  in the  title  of  the  Plan,  to The
     Home-Stake  Oil & Gas Company are hereby revised to refer to Home-Stake Oil
     & Gas  Company  or the  Home-Stake  Oil & Gas  Company as the  context  and
     grammar permit or require.

2.   Paragraph  (b) of Section 2.12 of the Plan,  relating to the  definition of
     Fair Market Value of a share of the Common Stock, is hereby revised to read
     in its entirety, as follows:

     "(b) If the Common  Stock is not listed or  admitted  to  unlisted  trading
          privileges  as  provided in  paragraph  (a),  and if sales  prices for
          shares of Common Stock are reported by the National  Market  System of
          the National  Association of Securities  Dealers  Automated  Quotation
          System  ("NASDAQ  System"),  then the last sale price for Common Stock
          reported as of the close of  business on the day Fair Market  Value is
          to be determined, or if no such sale takes place on that day, the last
          sale price for Common  Stock  reported  as of the close of business on
          the next preceding day on which such stock was traded; or"

3.   In all other respects the Plan remains unchanged.

                                  * * * * * * *

     The undersigned,  being the duly elected  Secretary of Home-Stake Oil & Gas
Company,  does  hereby  certify  that  the  foregoing  Amendment  No.  1 to  The
Home-Stake Oil & Gas Company 1997 Incentive Stock Plan was approved by the Board
of Directors of the Company on November 4, 1999.

                                              /s/ Chris K. Corcoran
                                              ----------------------
                                              Chris K. Corcoran
                                              Secretary

<PAGE>

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