News Release

Rosetta Stone to Preview Next Generation Language-Learning Experience for Investment Community at Analyst Day
Rosetta Stone Version 4 TOTALe Helps Awaken Natural Language-Learning Ability Through Live, Online Practice and Socialization

ARLINGTON, Va., Sep 13, 2010 (BUSINESS WIRE) --

Rosetta Stone Inc. (NYSE:RST), a leading provider of technology-based language-learning solutions, will preview Rosetta Stone(R) Version 4 TOTALe(TM) (pronounced tow-TALLY), the next generation of its award-winning and critically acclaimed language-learning solution, for investors and analysts today. In addition, today's Analyst Day will feature presentations by Tom Adams, President and Chief Executive Officer, and other members of the company's management team.

Members of the company's management team will review Rosetta Stone's opportunities in the institutional, international and U.S. consumer segments. Rosetta Stonehas achieved significant success in diversifying its markets and revenue streams, and continues to focus on those efforts as the foundation for long-term growth. Investors and analysts will also see a demonstration of Version 4 TOTALe, the innovative language-learning solution that pairs trusted Rosetta Stone software with an entirely new online experience. This allows people to 'awaken' their natural ability to learn a new language. Version 4 TOTALe works through effective software and online activities that encourage customers to interact safely with native speakers and other learners, at their own level, to use their new skills.

"Rosetta Stone's unique Dynamic Immersion teaching method, coupled with leading-edge technology, addresses a global market sized at over $80 billion. We offer the best available technology-based solutions for learning languages, and our leadership team is committed to extending the company's reach across markets and around the world," said Tom Adams, CEO of Rosetta Stone. "My colleagues and I look forward to sharing our vision for Rosetta Stone's continued growth, and our approach to innovation, with investors and equity analysts today."

The Rosetta Stone Analyst Day will take place today, Monday, September 13, 2010, at 1:00 p.m. EDT. A live webcast of the presentations by company executives will be available on the Investor Relations page of Rosetta Stone's website at www.RosettaStone.com. The presentations will be archived on the website following the live event.

About Rosetta Stone

Rosetta Stone Inc. is changing the way the world learns languages. Rosetta Stone provides interactive solutions that are acclaimed for the power to unlock the natural language-learning ability in everyone. Available in more than 30 languages, Rosetta Stone language-learning solutions are used by schools, organizations and millions of individuals in over 150 countries throughout the world. The company was founded in 1992 on the core beliefs that learning a language should be natural and instinctive and that interactive technology can replicate and activate the immersion method powerfully for learners of any age. The company is based in Arlington, Va. For more information, visit RosettaStone.com.

Rosetta Stone, TOTALe, and Dynamic Immersion are either registered trademarks or trademarks of Rosetta Stone Ltd.

SOURCE: Rosetta Stone Inc.

Rosetta Stone Inc.
Investors:
Investor Relations, 703-522-9970
ir@rosettastone.com
or
Media:
Reilly Brennan, 703-387-5863
rbrennan@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.