APEI

American Public Education’s 2013 annual meeting of stockholders will be held on June 14, 2013 at 7:30 a.m. Eastern time at the following address:

     Gaylord National Resort & Conference Center
     201 Waterfront Street
     National Harbor, Maryland 20745

The following links access American Public Education’s 2013 proxy materials.

     2013 Notice of Annual Meeting and Proxy Statement
     2012 Annual Report to Stockholders
     2012 Form 10-K

The following website provides detailed instructions on how to vote your shares over the Internet. To ensure the security of your vote you will be asked to enter your control number(s), which appears on the Notice of Availability or Proxy Card you received in the mail. If you received your proxy materials electronically, your control number is contained in the e-mail you received.

American Public Education mailed Registered and Beneficial Stockholders a Notice of Availability (click on the link to access), which provides detailed instructions on how to vote your shares online at www.proxyvote.com or via phone, using your 12 digit control number.

Stockholders who receive a Notice of Availability by mail and would like to receive a printed copy of our proxy materials should follow the instructions for requesting such materials included on the Notice of Availability.