Definitive Additional Materials

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No.      )

 

Filed by the Registrant x                            Filed by a Party other than the Registrant ¨

Check the appropriate box:

 

¨ Preliminary Proxy Statement

 

¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

 

¨ Definitive Proxy Statement

 

x Definitive Additional Materials

 

¨ Soliciting Material Pursuant to §240.14a-12

 

 

Marathon Oil Corporation

 

(Name of Registrant as Specified In Its Charter)

 

 

  

 

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

 

Payment of Filing Fee (Check the appropriate box):

 

x No fee required.

 

¨ Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.

 

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  (2) Aggregate number of securities to which transaction applies:

 

 

 

  (3) Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):

 

 

 

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¨ Fee paid previously with preliminary materials.

 

¨ Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.

 

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*** Exercise Your Right to Vote ***

IMPORTANT NOTICE Regarding the Availability of Proxy Materials

 

 

 

MARATHON OIL CORPORATION

    

Meeting Information

 

Meeting Type:         2010 Annual Meeting of Stockholders

For holders as of:    March 1, 2010

Date:    April 28, 2010    Time:    10:00 a.m. CDT

 

 

 

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C/O SHAREHOLDER SERVICES

P.O. BOX 4813

HOUSTON, TX 77210-4813

    

Location:

 

 

CONFERENCE CENTER AUDITORIUM

MARATHON OIL TOWER

5555 SAN FELIPE ROAD

HOUSTON, TX 77056

 

 

    

 

You are receiving this communication because you hold shares in the above named company.

 

This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side).

 

We encourage you to access and review all of the important information contained in the proxy materials before voting.

 

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See the reverse side of this notice to obtain proxy materials and voting instructions.


Before You Vote

How to Access the Proxy Materials

 

  

Proxy Materials Available to VIEW or RECEIVE:

• 2010 Notice of Annual Meeting of Stockholders and Proxy Statement

• 2009 Annual Report

How to View Online:

Have the 12-Digit Control Number available (located on the following page) and visit: www.proxyvote.com.

 

How to Request and Receive a PAPER or E-MAIL Copy:

If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request:

 

     1) BY INTERNET:   www.proxyvote.com
     2) BY TELEPHONE:   1-800-579-1639
     3) BY E-MAIL*:   sendmaterial@proxyvote.com
  

 

*  If requesting materials by e-mail, please send a blank e-mail with the 12-Digit Control Number (located on the following page) in the subject line.

   Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before April 14, 2010 to facilitate timely delivery.

How To Vote

Please Choose One of the Following Voting Methods

 

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Vote In Person: If you are a holder of record of Marathon common stock, you may vote in person at the meeting. We will provide you a ballot when you arrive.

 

Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the 12-Digit Control Number available and follow the instructions. If you are a registered holder use the internet to transmit your voting instructions and for electronic delivery of information up until 11:59 p.m. EDT the day before the meeting. If you hold these shares in the Marathon Oil Company Thrift Plan use the internet to transmit your voting instructions and for electronic delivery of information by 11:59 p.m. EDT on April 25, 2010.

 

Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.

 


Voting Items         

 

Your Board of Directors recommends you vote

      

“FOR” Items 1(a) through 1(l).

 

1. Election of directors for a one-year term expiring
     in 2011
NOMINEES:   Your   Board of   Directors   recommends   you vote
“FOR” Item 2
  

1(a).

 

1(b).

 

1(c).

 

1(d).

 

1(e).

 

1(f).

 

1(g).

 

1(h).

 

1(i).

 

1(j).

 

1(k).

 

1(l).

  

Gregory H. Boyce

 

Clarence P. Cazalot, Jr.

 

David A. Daberko

 

William L. Davis

 

Shirley Ann Jackson

 

Philip Lader

 

Charles R. Lee

 

Michael E. J. Phelps

 

Dennis H. Reilley

 

Seth E. Schofield

 

John W. Snow

 

Thomas J. Usher

 

 

2.     Ratification        of        the        appointment       of

        PricewaterhouseCoopers LLP as our independent

        auditor for 2010

 

Your   Board   of  Directors  recommends   you vote

“AGAINST” Item 3

 

3.     Stockholder  Proposal  to  amend  our   By-laws to

        lower   the  threshold    for   stockholders   to   call

        special meetings

 

Your  Board  of  Directors   recommends   you  vote

“AGAINST” Item 4

 

4.     Stockholder    Proposal   to   adopt  a   policy   for

        ratification      and      approval      of      executive

        compensation policies and practices

  

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