Archipelago Learning Announces Fourth Quarter 2011 Conference Call and Webcast

Archipelago Learning Inc. (NASDAQ: ARCL), a leading subscription-based, software-as-a-service (SaaS) provider of education products, plans to report its fourth quarter 2011 financial results after market close on Tuesday, March 13, 2012. A conference call and webcast hosted by Tim McEwen, Chairman, President and Chief Executive Officer, and Mark Dubrow, Chief Financial Officer, to discuss the results is scheduled to follow at 4:45 p.m. EDT on the same day.

Investors and analysts interested in participating in the call are invited to dial (719) 325-2100 approximately ten minutes prior to the start of the call. Alternatively, the live webcast can be accessed on our website at http://investor.archipelagolearning.com. Please visit the website at least 15 minutes prior to the call to register for the webcast and download the presentations as well as any necessary software.

A replay of the webcast will be available on our website for 90 days, and a telephonic replay of the conference call will be available at 7:45 p.m. EDT on March 13, 2012 and will remain active until midnight EDT on March 15, 2012. The replay can be accessed by dialing (858) 384-5517 and entering conference code 8417571.

About Archipelago Learning

Archipelago Learning (NASDAQ:ARCL) is a leading subscription-based, software-as-a-service (SaaS) provider of education products used by approximately 14 million students in nearly 39,000 schools throughout the United States, Canada, and the United Kingdom. Our comprehensive digital supplemental product suite uses technology to transform education. We make rigorous learning fun, engaging, accessible, and affordable. For more information, please visit us at www.archipelagolearning.com.

Forward-Looking Statements

This press release and the webcast and conference call referred to therein may contain certain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 regarding the Company. These forward-looking statements are based on current information and expectations, and are subject to risks and uncertainties discussed in our filings with the Securities and Exchange Commission, which could cause the Company’s actual results to differ materially from expected results. The Company undertakes no obligation to publicly update any forward-looking statement contained in this release, whether as a result of new information, future developments or otherwise, except as may be required by law.

(ARCL-F)