News Release

Rosetta Stone Inc. Announces Date of Second Quarter 2010 Financial Results Release

ARLINGTON, Va., Jul 27, 2010 (BUSINESS WIRE) --

Rosetta Stone Inc. (NYSE:RST), a leading provider of technology-based language-learning solutions, today announced it will report its second quarter 2010 financial results after the U.S. financial markets close on Thursday, August 5, 2010.

In conjunction with this announcement, Rosetta Stone will host a conference call on August 5, 2010, at 4:30 p.m. eastern time (ET) to discuss the company's second quarter financial results and its business outlook. To access this call, dial 888-300-2343 (domestic) or 719-457-1506 (international). Additionally, a live webcast of the conference call will be available on the "Investor Relations" page on the company's web site www.RosettaStone.com.

Following the conference call, a replay will be available until August 19, 2010 at 888-203-1112 (domestic) or 719-457-0820 (international). The replay pass code is 4700050. An archived web cast of this conference call will also be available on the "Investor Relations" page of the company's web site www.RosettaStone.com.

About Rosetta Stone Inc.

Rosetta Stone Inc. is changing the way the world learns languages. Rosetta Stone provides an interactive solution that is acclaimed for its speed and power to unlock the natural language-learning ability in everyone. Available in more than 30 languages, the Rosetta Stone language-learning solution is 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 www.RosettaStone.com.

"Rosetta Stone" is a registered trademark of Rosetta Stone Ltd.

SOURCE: Rosetta Stone Inc.

Rosetta Stone Inc.
Investor Contact:
Chris Martin, 703-387-5927
cmartin@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.