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.   )

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☐ Preliminary Proxy Statement

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

☐ Definitive Proxy Statement

☑ Definitive Additional Materials

☐ Soliciting Material under Rule 14a-12

Anadarko Petroleum Corporation

(Name of Registrant as Specified In Its Charter)

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

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***  Exercise Your Right to Vote  ***

Important Notice Regarding the Availability of Proxy Materials for the

Stockholder Meeting to Be Held on May 10, 2017.

	ANADARKO PETROLEUM CORPORATION		Meeting Information
			Meeting Type:        Annual Meeting
			For holders as of:   March 14, 2017
			Date:  May 10, 2017	Time: 8:00 a.m., CDT
			Location:  The Westin at The Woodlands         2 Waterway Square Place         The Woodlands, Texas 77380
		You are receiving this communication because you hold shares in the company named above.
	1201 LAKE ROBBINS DRIVE THE WOODLANDS, TX 77380	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, scan the QR Barcode on the reverse side, 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.
			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: NOTICE AND PROXY STATEMENT            10-K/ANNUAL REPORT How to View Online: Have the information that is printed in the box marked by the arrow      (located on the following page) and visit: www.proxyvote.com, or scan the QR Barcode below. 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 information that is printed in the box marked by the arrow   (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 26, 2017 to facilitate timely delivery.
	How To Vote Please Choose One of the Following Voting Methods
	Vote In Person: Many stockholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares.
	Vote By Internet: Go to www.proxyvote.com or from a smart phone, scan the QR Barcode above. Have the information that is printed in the box marked by the arrow    (located on the following page) available and follow the instructions.
	Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.

                     Voting Items                      

THE BOARD OF DIRECTORS RECOMMENDS A VOTE “FOR” ITEMS 1, 2 AND 3.
1.      Election of Directors
Nominees:
1a.      1b.      1c.      1d.      1e.      1f.       1g.      1h.      1i.        1j.        1k.      1l.	Anthony R. Chase David E. Constable H. Paulett Eberhart Claire S. Farley Peter J. Fluor Richard L. George Joseph W. Gorder John R. Gordon Sean Gourley Mark C. McKinley Eric D. Mullins R. A. Walker	2.    Ratification of Appointment of KPMG LLP as Independent Auditor. 3.    Advisory Vote to Approve Named Executive Officer Compensation. THE BOARD OF DIRECTORS RECOMMENDS A VOTE FOR “1 YEAR” FOR ITEM 4. 4.    Advisory Vote on the Frequency of Future Advisory Votes on Named Executive Officer Compensation. NOTE: Such other business as may properly come before the meeting or any adjournment thereof.