DEFA14A

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 14A

(Rule 14a-101)

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

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

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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

 

x Definitive Additional Materials

 

¨ Soliciting Material Pursuant to §240.14a-12

American Capital Agency Corp.

 

 

(Name of Registrant as Specified in its Charter)

Payment of Filing Fee (Check the appropriate box):

 

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¨ Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.

 

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Exercise Your Right to Vote

IMPORTANT NOTICE Regarding the Availability of Proxy Materials

AMERICAN CAPITAL AGENCY CORP.

Return Address Line 1

Return Address Line 2

Return Address Line 3

51 MERCEDES WAY

EDGEWOOD NY 11717

Investor Address Line 1

Investor Address Line 2

Investor Address Line 3

Investor Address Line 4

Investor Address Line 5

John Sample

1234 ANYWHERE STREET

ANY CITY, ON A1A 1A1

Meeting Information

Meeting Type:

Annual Meeting

For holders as of:

March 24, 2010

Date:

May 13, 2010

Time:

10:00 AM EST

Location:

American Capital Agency Corp.

2 Bethesda Metro Center

14th Floor

Bethesda, MD 20814

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.

Broadridge Internal Use Only

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Before You Vote

How to Access the Proxy Materials

Proxy Materials Available to VIEW or RECEIVE:

1. Notice & Proxy Statement 2. 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.

0000055682_2 R2.09.05.010

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 29, 2010 to facilitate timely delivery.

How To Vote

Please Choose One of The Following Voting Methods

Vote In Person: If you choose to vote these shares in person at the meeting, you must request a “legal proxy.” To do

so, please follow the instructions at www.proxyvote.com or request a paper copy of the materials, which will contain the

appropriate instructions. Many shareholder 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.

Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the 12 Digit Control Number 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 voting instruction form.

Internal Use

Only

0000055682_2 R2.09.05.010


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Voting items

0000055682_3 R2.09.05.010

The Board of Directors recommends that you

vote FOR the following:

1. Election of Directors

Nominees

01 Morris A. Davis 02 Randy E. Dobbs 03 Larry K. Harvey 04 Alvin N. Puryear 05 Malon Wilkus

The Board of Directors recommends you vote FOR the following proposal(s):

2. Ratification of appointment of Ernst & Young LLP as independent public accountant for the year ending December

31, 2010.

NOTE: Such other business as may properly come before the meeting or any adjournment thereof.


LOGO

Reserved for Broadridge Internal Control Information

Voting Instructions

THIS SPACE RESERVED FOR LANGUAGE PERTAINING TO

BANKS AND BROKERS

AS REQUIRED BY THE NEW YORK STOCK EXCHANGE

THIS SPACE RESERVED FOR SIGNATURES IF APPLICABLE

Broadridge Internal Use Only

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