News Release

Rosetta Stone Continues to Implement Strategic Plan to Deliver Attractive Value for Shareholders

Board of Directors has Received an Expression of Interest from RDG Capital Fund Management

ARLINGTON, Va.--(BUSINESS WIRE)--May 29, 2015-- Rosetta Stone Inc. (NYSE:RST), a world leader in technology-based learning solutions, said today that its Board of Directors has received an expression of interest from RDG Capital Fund Management. The Board stated that it will carefully evaluate the expression of interest. The Board also said that the Company is actively implementing its strategic plan, which it believes will deliver attractive value for shareholders.

About Rosetta Stone

Rosetta Stone Inc. (NYSE: RST) is dedicated to changing the way the world learns. The Company's innovative technology-driven language, reading and brain-fitness solutions are used by thousands of schools, businesses, government organizations and millions of individuals around the world. Founded in 1992, Rosetta Stone pioneered the use of interactive software to accelerate language learning. Today the Company offers courses in 30 languages, from the most commonly spoken (such as English, Spanish and Mandarin) to the less prominent (including Swahili, Swedish and Tagalog). Rosetta Stone has expanded beyond language and deeper into education-technology with its acquisitions of Livemocha, Lexia Learning, Vivity Labs, and Tell Me More. Rosetta Stone is based in Arlington, VA, and has offices around the world. For more information, visit www.rosettastone.com.

"Rosetta Stone" is a registered trademark or trademark of Rosetta Stone Ltd. in the United States and other countries.

Source: Rosetta Stone Inc.

Media:
The Abernathy MacGregor Group
Chuck Burgess / Kendell Moore
212-371-5999
clb@abmac.com / kem@abmac.com
or
Investor:
Frank Milano
703-387-5876
ir@rosettastone.com

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Statements in this press release regarding Rosetta Stone PR's business which are not historical facts are "forward-looking statements" that involve risks and uncertainties. For a discussion of such risks and uncertainties, which could cause actual results to differ from those contained in the forward-looking statements, see "Risk Factors" in the Company's Annual Report or Form 10-K for the most recently ended fiscal year.