News Release

Rosetta Stone Inc. Announces Investor Webcast at 4:30pm EDT on May 9

ARLINGTON, Va., Apr 18, 2011 (BUSINESS WIRE) --

Rosetta Stone Inc. (NYSE:RST), a leading provider of technology-based language-learning solutions, today announced it will report its first quarter financial results after the U.S. financial markets close on May 9, 2011.

In conjunction with this announcement, Rosetta Stone will host a webcast at 4:30 p.m. eastern time (ET) that day to discuss the first quarter results and its business outlook. The webcast will be available live on the Investor Relations page of the company's website at http://investors.rosettastone.com. Investors may also dial in to the conference line at 888-442-4145 (USA/Canada) or +1-719-457-2708 (all others).

A recorded replay of the webcast will be available on the "Investor Relations" page of the company's web site http://investors.rosettastone.com after the live discussion. The replay will be also be available, until May 19, 2011, via telephone at 877-870-5176 (USA/Canada) or 858-384-5517 (all others), with the pass code 9370087.

About Rosetta Stone Inc.

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" is a registered trademark of Rosetta Stone Ltd.

SOURCE: Rosetta Stone Inc.

Rosetta Stone Inc.
Investor Contact:
Elizabeth Corse, 703-522-9965
ecorse@rosettastone.com
or
Media Contact:
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.