American Public Education, Inc. (NASDAQ: APEI) – parent company of online learning provider American Public University System, which operates through American Military University and American Public University – plans to release fourth quarter and full-year 2011 results after the close of U.S. financial markets on February 28, 2012. A live webcast of its fourth quarter and full-year 2011 earnings conference call will be broadcast at 5:00 p.m. Eastern time on Tuesday, February 28, 2012. This call will be open to listeners through the webcast section of the Company's investor relations website, www.AmericanPublicEducation.com. A replay of the live webcast will also be available starting approximately one hour after the conclusion of the live conference call. The replay will be archived and available to listeners for one year. Webcast:http://www.americanpubliceducation.com/phoenix.zhtml?c=214618&p=irol-presentationsAmerican Public Education, Inc. American Public Education, Inc. (NASDAQ: APEI) is an online provider of higher education focused primarily on serving the military and public service communities. American Public University System (APUS), wholly owned by APEI, operates through American Military University(AMU) and American Public University (APU). APUS serves more than 100,000 adult learners worldwide and offers 87 degree programs in fields ranging from homeland security, military studies, intelligence, and criminal justice to technology, business administration, public health, and liberal arts. Nationally recognized for its best practices in online higher education, APUS provides an affordable education through classes taught by experienced faculty who are leaders in their fields and committed to the academic achievement of their students. American Public University System is accredited by The Higher Learning Commission and is a member of the North Central Association of Colleges and Schools ( www.ncahlc.org). For more information about APUS graduation rates, median debt of students who completed programs, and other important information, visit www.apus.edu/disclosure.