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  		UNITED STATES<BR>
  	SECURITIES AND EXCHANGE COMMISSION
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  	WASHINGTON, D.C. 20549
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  	FORM 8-K
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  	CURRENT REPORT
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  	Pursuant to Section&nbsp;13 or 15(d) of the Securities Exchange Act of 1934
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  	Date of Report (Date of Earliest Event Reported):
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  	&nbsp;
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  	October 5, 2006
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  	Marathon Oil Corporation
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  <BR>__________________________________________<BR>
  	(Exact name of registrant as specified in its charter)
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  	Delaware
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  	1-5153
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  	25-0996816
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  _____________________<BR>
  	(State or other jurisdiction
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  _____________<BR>
  	(Commission
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  ______________<BR>
  	(I.R.S. Employer
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  	of incorporation)
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  	File Number)
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  	Identification No.)
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  	&nbsp;&nbsp;
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  	5555 San Felipe Road, Houston, Texas
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  	77056
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  _________________________________<BR>
  	(Address of principal executive offices)
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  	&nbsp;
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  ___________<BR>
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  	Registrant&#146;s telephone number, including area code:
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  	(713) 629-6600
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  	Not Applicable
  <BR>______________________________________________<BR>
  	Former name or former address, if changed since last report
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  	&nbsp;
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  <!-- CoverPageRegistrant END --><P><FONT SIZE="2">
  Check the appropriate box below if the Form 8-K filing is intended to
  simultaneously satisfy the filing obligation of the registrant under any
  of the following provisions:</FONT>
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  <P><FONT SIZE="2">
  [&nbsp;&nbsp;]&nbsp;&nbsp;Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))<br>
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  	Item 1.01 Entry into a Material Definitive Agreement.
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  On October 5, 2006, pursuant to authority set forth in the respective plans, Mr. Jerry Howard, Senior Vice President of Corporate Affairs, executed (i) First Amendments (the "MPC Amendments") to the Marathon Petroleum Company LLC Deferred Compensation Plan and the Marathon Petroleum Company LLC Excess Benefit Plan, and (ii) Second Amendments ("MOC Amendments") to the Marathon Oil Company Deferred Compensation Plan and the Marathon Oil Company Excess Benefit Plan.  <br><br>Eligibility provisions have been revised in both the MOC and MPC Amendments. Both the MOC and MPC Deferred Compensation Plans have been revised to reflect the increase in qualified Thrift Plan matching contributions from 6% to 7%. <br><br><br>The full text of the Amendments are attached hereto as Exhibits 10.1 through 10.4.  The preceding summary is qualified in entirety to, and should be read in conjunction with, such exhibits.<br>
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  	Item 9.01 Financial Statements and Exhibits.
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  (c)	Exhibits. <br><br>10.1	First Amendment to the Marathon Petroleum Company LLC Excess Benefit Plan, effective October 1, 2006.<br><br>10.2	 First Amendment to the Marathon Petroleum Company LLC Deferred Compensation Plan, effective October 1, 2006.<br><br>10.3	Second Amendment to the Marathon Oil Company Excess Benefit Plan, effective October 1, 2006.<br><br>10.4	Second Amendment to the Marathon Oil Company Deferred Compensation Plan, effective October 1, 2006.<br>
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  	SIGNATURES
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  	Pursuant to the requirements of the Securities Exchange Act of 1934, the
  	registrant has duly caused this report to be signed on its behalf by the
  	undersigned hereunto duly authorized.
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  	Marathon Oil Corporation
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  	&nbsp;&nbsp;
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  <I>
  	October 10, 2006
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  	&nbsp;
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  	By:
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  <I>
  	Michael K. Stewart
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  	&nbsp;
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  <I>
  	Name: Michael K. Stewart
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  <I>
  	Title: Vice President, Accounting and Controller
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  	Exhibit&nbsp;Index
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  	Exhibit No.
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  	Description
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  	10.1
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  First Amendment to the Marathon Petroleum Company LLC Excess Benefit Plan, effective October 1, 2006.
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  	10.2
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  	&nbsp;
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  First Amendment to the Marathon Petroleum Company LLC Deferred Compensation Plan, effective October 1, 2006.
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  	10.3
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  Second Amendment to the Marathon Oil Company Excess Benefit Plan, effective October 1, 2006.
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  	10.4
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  Second Amendment to the Marathon Oil Company Deferred Compensation Plan, effective October 1, 2006.
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metadata_documents: [{"type": "8-K", "sequence": "1", "filename": "htm_15432.htm", "description": "LIVE FILING", "secsgml_size_bytes": 12161}]
metadata_filer: {"company-data": {"conformed-name": "MARATHON OIL CORP", "cik": "0000101778", "assigned-sic": "2911", "irs-number": "250996816", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "033-07065", "film-number": "061135844"}, "business-address": {"street1": "P O BOX 3128", "city": "HOUSTON", "state": "TX", "zip": "77253-3128", "phone": "7136296600"}, "mail-address": {"street1": "5555 SAN FELIPE ROAD", "city": "HOUSTON", "state": "TX", "zip": "77056"}, "former-company": [{"former-conformed-name": "USX CORP", "date-changed": "19920703"}, {"former-conformed-name": "UNITED STATES STEEL CORP/DE", "date-changed": "19860714"}]}
text: Marathon Oil Corporation (Form: 8-K)
  UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  WASHINGTON, D.C. 20549
  FORM 8-K
  CURRENT REPORT
  Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
  Date of Report (Date of Earliest Event Reported):
  October 5, 2006
  Marathon Oil Corporation
  __________________________________________
  (Exact name of registrant as specified in its charter)
  Delaware
  1-5153
  25-0996816
  _____________________
  (State or other jurisdiction
  _____________
  (Commission
  ______________
  (I.R.S. Employer
  of incorporation)
  File Number)
  Identification No.)
  5555 San Felipe Road, Houston, Texas
  77056
  _________________________________
  (Address of principal executive offices)
  ___________
  (Zip Code)
  Registrant's telephone number, including area code:
  (713) 629-6600
  Not Applicable
  ______________________________________________
  Former name or former address, if changed since last report
  Check the appropriate box below if the Form 8-K filing is intended to
  simultaneously satisfy the filing obligation of the registrant under any
  of the following provisions:
  [  ]  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
  [  ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
  [  ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
  [  ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
  Top of the Form
  Item 1.01 Entry into a Material Definitive Agreement.
  On October 5, 2006, pursuant to authority set forth in the respective plans, Mr. Jerry Howard, Senior Vice President of Corporate Affairs, executed (i) First Amendments (the "MPC Amendments") to the Marathon Petroleum Company LLC Deferred Compensation Plan and the Marathon Petroleum Company LLC Excess Benefit Plan, and (ii) Second Amendments ("MOC Amendments") to the Marathon Oil Company Deferred Compensation Plan and the Marathon Oil Company Excess Benefit Plan.
  Eligibility provisions have been revised in both the MOC and MPC Amendments. Both the MOC and MPC Deferred Compensation Plans have been revised to reflect the increase in qualified Thrift Plan matching contributions from 6% to 7%.
  The full text of the Amendments are attached hereto as Exhibits 10.1 through 10.4.  The preceding summary is qualified in entirety to, and should be read in conjunction with, such exhibits.
  Item 9.01 Financial Statements and Exhibits.
  (c)	Exhibits.
  10.1	First Amendment to the Marathon Petroleum Company LLC Excess Benefit Plan, effective October 1, 2006.
  10.2	 First Amendment to the Marathon Petroleum Company LLC Deferred Compensation Plan, effective October 1, 2006.
  10.3	Second Amendment to the Marathon Oil Company Excess Benefit Plan, effective October 1, 2006.
  10.4	Second Amendment to the Marathon Oil Company Deferred Compensation Plan, effective October 1, 2006.
  Top of the Form
  SIGNATURES
  Pursuant to the requirements of the Securities Exchange Act of 1934, the
  	registrant has duly caused this report to be signed on its behalf by the
  	undersigned hereunto duly authorized.
  Marathon Oil Corporation
  October 10, 2006
  By:
  Michael K. Stewart
  Name: Michael K. Stewart
  Title: Vice President, Accounting and Controller
  Top of the Form
  Exhibit Index
  Exhibit No.
  Description
  10.1
  First Amendment to the Marathon Petroleum Company LLC Excess Benefit Plan, effective October 1, 2006.
  10.2
  First Amendment to the Marathon Petroleum Company LLC Deferred Compensation Plan, effective October 1, 2006.
  10.3
  Second Amendment to the Marathon Oil Company Excess Benefit Plan, effective October 1, 2006.
  10.4
  Second Amendment to the Marathon Oil Company Deferred Compensation Plan, effective October 1, 2006.