SCHEDULE 14A INFORMATION

PROXY STATEMENT PURSUANT TO SECTION 14(A) OF THE

SECURITIES EXCHANGE ACT OF 1934

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☐ Preliminary Proxy Statement

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☐ Definitive Proxy Statement

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ANWORTH MORTGAGE ASSET 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 22, 2019 ANWORTH MORTGAGE ASSET CORPORATION ANWORTH MORTGAGE ASSET CORPORATION ATTN: JOHN HILLMAN 1299 OCEAN AVENUE, SECOND FLOOR SANTA MONICA, CA 90401 Meeting Information Meeting Type: Annual Meeting For holders as of: March 11, 2019 Date: May 22, 2019 Time: 10:00 AM PDT Location: Anworth Mortgage Asset Corp 1299 Ocean Avenue 2nd Floor Santa Monica, CA 90401 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. See the reverse side of this notice to obtain proxy materials and voting instructions. 0000404321_1 R1.0.1.18

— Before You Vote — How to Access the Proxy Materials Proxy Materials Available to VIEW or RECEIVE: 1. Annual Report 2. Notice & Proxy Statement How to View Online: Have the information that is printed in the box marked by the arrow XXXX XXXX XXXX XXXX (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 information that is printed in the box marked by the arrow XXXX XXXX XXXX XXXX (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 May 08, 2019 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: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow XXXX XXXX XXXX XXXX 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. 0000404321_2 R1.0.1.18

Voting items The Board of Directors recommends you vote FOR the following: 1. 1. Election of Directors Nominees 01 Joseph E. McAdams 02 Joe E. Davis 03 Robert C. Davis 04 Mark S. Maron 05 Lloyd McAdams 06 Dominique Mielle The Board of Directors recommends you vote FOR proposals 2 and 3. 2 Approval, on an advisory basis, of the compensation of our Named Executive Officers. 3 Ratification of the appointment of RSM US LLP as our independent registered public accounting firm for our fiscal year ending December 31, 2019. NOTE: Such other business as may properly come before the meeting or any adjournment thereof. 0000404321_3 R1.0.1.18

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