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  <TITLE> Marathon Oil Corporation (Form: 8-K) </TITLE>
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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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  	December 12, 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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  <B>
  	Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing.
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  On December 12, 2006, Marathon Oil Corporation ("Marathon") sent written notice to NYSE Arca, Inc. ("NYSE Arca") of its intention to voluntarily withdraw the listing of its common stock from NYSE Arca.  Marathon&#x2019;s common stock will continue to be listed on the New York Stock Exchange and the Chicago Stock Exchange.   On or about December 22, 2006, Marathon will file a Form 25 to notify the Securities and Exchange Commission and NYSE Arca of its intention to voluntarily withdraw the listing of its common stock from NYSE Arca.  By operation of law, the delisting application will be effective on or about January 1, 2007, unless withdrawn by Marathon in advance of such date.  The press release announcing our intent to voluntarily withdraw the listing from NYSE Arca is attached hereto as Exhibit 99.1.
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  	Item 9.01 Financial Statements and Exhibits.
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  (c)	Exhibits <br><br>99.1  	Press release issued on December 12, 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>
  	December 12, 2006
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  <I>
  	By:
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  	&nbsp;
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  <I>
  	Janet F. Clark
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  	&nbsp;
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  <I>
  	Name: Janet F. Clark
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  <I>
  	Title: Senior Vice President and Chief Financial Officer
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  	Exhibit&nbsp;Index
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  	Exhibit No.
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  	&nbsp;
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  	Description
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  	99.1
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  	&nbsp;
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  December 12, 2006 Press Release
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metadata_documents: [{"type": "8-K", "sequence": "1", "filename": "htm_16953.htm", "description": "LIVE FILING", "secsgml_size_bytes": 10594}]
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": "061271541"}, "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):
  December 12, 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 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing.
  On December 12, 2006, Marathon Oil Corporation ("Marathon") sent written notice to NYSE Arca, Inc. ("NYSE Arca") of its intention to voluntarily withdraw the listing of its common stock from NYSE Arca.  Marathon's common stock will continue to be listed on the New York Stock Exchange and the Chicago Stock Exchange.   On or about December 22, 2006, Marathon will file a Form 25 to notify the Securities and Exchange Commission and NYSE Arca of its intention to voluntarily withdraw the listing of its common stock from NYSE Arca.  By operation of law, the delisting application will be effective on or about January 1, 2007, unless withdrawn by Marathon in advance of such date.  The press release announcing our intent to voluntarily withdraw the listing from NYSE Arca is attached hereto as Exhibit 99.1.
  Item 9.01 Financial Statements and Exhibits.
  (c)	Exhibits
  99.1  	Press release issued on December 12, 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
  December 12, 2006
  By:
  Janet F. Clark
  Name: Janet F. Clark
  Title: Senior Vice President and Chief Financial Officer
  Top of the Form
  Exhibit Index
  Exhibit No.
  Description
  99.1
  December 12, 2006 Press Release