March 5, 2012

Bernstein Liebhard LLP is investigating whether the Board of Directors of Archipelago Learning, Inc. (“Archipelago Learning” or the “Company”) (NASDAQ: ARCL) breached its fiduciary duty to its shareholders in agreeing to sell Archipelago Learning (ARCL) to PLATO Learning, a portfolio company of Thoma Bravo, LLC (“PLATO Learning”).

Under the terms of the agreement, Archipelago Learning (ARCL) shareholders will receive $11.10 in cash for each share they own.  The investigation is focused on the potential unfairness of the price to Archipelago Learning (ARCL) shareholders and the process by which the Archipelago Learning (ARCL) Board of Directors considered and approved the transaction.

If you are interested in discussing your rights as an Archipelago Learning (ARCL) stockholder, with no obligation or cost to you, please contact U. Seth Ottensoser at:  (877) 779-1414 or

Bernstein Liebhard has pursued hundreds of securities, consumer and shareholder rights cases and recovered over $3 billion for its clients.  It has been named to The National Law Journal’s “Plaintiffs’ Hot List” in each of the last nine years.